Beltway Series: Difference between revisions

Battle of the Beltways
	Washington Nationals
Teams	Baltimore Orioles; Washington Nationals;
First meeting	May 19, 2006; Robert F. Kennedy Memorial Stadium, Washington, D.C.; Orioles 5, Nationals 1
Latest meeting	June 21, 2018; Nationals Park, Washington, D.C.; Nationals 4, Orioles 2
Next meeting	July 16, 2019; Oriole Park, Baltimore, MD
Statistics
Meetings total	70
Regular season series	Orioles, 39–31 (.557)
Largest victory	Nationals, 17–5 (May 20, 2011)
Longest win streak	Orioles: 6 (September 22, 2015–August 24, 2016); Nationals: 6 (May 10, 2017–June 19, 2018);
Current win streak	Nationals 1 (June 21, 2018)

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The Beltway Series, promoted by the teams as "The Battle of the Beltways," is the Major League Baseball (MLB) interleague rivalry series played between the Baltimore Orioles and Washington Nationals. The Orioles are a member of the American League (AL) East division, and the Nationals are a member of the National League (NL) East division. The series name is taken from the beltway highways, the Baltimore Beltway (I-695) and the Capital Beltway (I-95/I-495), that serve Baltimore, Maryland, and Washington, D.C., respectively.

Unusually for a sports rivalry, it arises more from circumstances surrounding the history of baseball in the two cities, about 50 miles (80 km) apart yet considered different markets, than anything that has so far happened on the field between the teams. Washington's previous team, the Senators, had been AL regulars for most of the 20th century, but after their 1933 pennant often finished last or almost last in the standings. Within a decade of the AL St. Louis Browns' move to Baltimore in the 1950s, the Orioles became pennant contenders while the Senators became the Minnesota Twins, and a replacement Senators franchise fared little better either commercially or athletically, becoming the Texas Rangers within another decade, as the Orioles won the World Series. Following that move, Orioles' owner Peter Angelos strongly opposed any attempt by Major League Baseball (MLB) to expand to Washington despite that city's larger market, arguing that both teams would suffer commercially and that the Orioles' protected market had legally expanded to Washington once the second Senators franchise moved.

After the former Montreal Expos moved to Washington for the 2005 season, the Nationals and the Orioles began a contentious business relationship over the Mid-Atlantic Sports Network (MASN) cable channel that carries telecasts of both teams' games, the only such arrangement in MLB. The Orioles own the majority stake, with the Nationals a 10% partner. In the early 2010s the Nationals claimed that they were not getting their full share of MASN revenue; MLB's arbitration panel agreed with them but the Orioles, rather than accept that result, took it to court instead.

History of the series

When interleague play began in 1997, MLB identified the Philadelphia Phillies as Baltimore's interleague "natural rival," and the Orioles began an annual interleague series against the Phillies that season. At the time, the franchise that would become the Washington Nationals played in Montreal as the Montreal Expos, and the Expos played the Toronto Blue Jays as their interleague "natural rival" each year from 1997 to 2004 in what became known as the All-Canadian Series. The Orioles and Expos met one another in routine interleague play – without any connotation of a "rivalry" or other special association between the teams – during the 1998, 1999, 2000, and 2001 seasons, and Montreal won seven of the 12 meetings. The Orioles and Expos did not play one another again after the 2001 season.

The relocation of the Expos to Washington for the 2005 season marked the first time the Baltimore–Washington Metropolitan Area had two Major League Baseball franchises since the 1971 season, after which the second Washington Senators franchise had moved to Arlington, Texas, to become the Texas Rangers. MLB changed the Orioles′ "natural rival" to the Nationals, but the Expos move to Washington came after the 2005 schedule already had been set. Thus, Baltimore and Washington did not face one another at all in 2005; that season, the Orioles played the Phillies as their "natural rival" for the last time, while the Nationals played what would have been the Expos′ 2005 schedule, including six games against the Blue Jays – three of them at Toronto and three at Washington – that would have constituted the 2005 All-Canadian Series if the Expos had remained in Montreal. The 2006 schedule thus became the first one to include games between Baltimore and Washington as interleague "natural rivals," inaugurating the "Beltway Series."

Interleague play has ensured that the rivals have faced one another in each year since. From 2006 through 2012, the teams played each other six times a year, with one three-game series in each city and the two series taking place in May and June and separated by between three and six weeks. Since 2013, when a realignment took effect in Major League Baseball's two leagues and their divisions, the schedule has varied according to whether the American League East and National League East are scheduled to play one another in interleague play, which occurs on a rotational basis once every three years. In seasons in which the two divisions do not meet, the Orioles and Nationals play four consecutive games, two in each city. Once every three years, in seasons in which the National League East and American League East face each other in interleague play (such as in 2015 and 2018), the Beltway Series consists of six games, with one three-game series played in each city, and the two series can be widely separated; in 2015, for example, the teams played in Baltimore in July but did not play in Washington until September.

Through 2018, the Orioles lead the Beltway Series in series wins, 7–2–4. The Orioles also lead in games won, 39–31.

Controversy fueling the rivalry

Controversy that fuels the Beltway Series rivalry revolves around various factors related to the unusual way in which the Washington, D.C. baseball market developed between the departure of the second Washington Senators team after the 1971 season and the arrival of the Nationals for the 2005 season because of the Orioles′ deep penetration of the Washington market during the era, as well as the circumstances under which the Expos relocated to Washington and the television deal MLB struck with the Orioles for coverage of Nationals games.

History of play between the cities

Both cities have a long history of professional baseball, beginning with the 1871 Washington Olympics and the 1882 American Association Baltimore Orioles, followed by the 1886 Washington Nationals of the National League. At the formation of the American League in 1901, franchises were placed in both cities, with the original Washington Senators and an earlier Baltimore Orioles team among the eight charter members. The Senators and Orioles played 39 times in those first two seasons, with the Orioles winning 22.^[1] The original Orioles, however, moved to New York in 1903 and eventually became the New York Yankees.

Play between Baltimore and Washington resumed in 1954 when the St. Louis Browns relocated to Baltimore and became the current Orioles, once again giving both cities teams in the American League and regular meetings each season. This second period of play between Baltimore and Washington lasted through the 1971 season. The original Senators moved to Minnesota after the 1960 season and became the Minnesota Twins and were replaced by a second Senators franchise, which played from 1961 through the 1971 season. After the 1971 season, the second Senators franchise moved to Texas and became the Texas Rangers. The Orioles played 350 games combined against the two Senators franchises.^[2] Overall, the Orioles won the series with the Senators 224–126, which included an 89–65 mark against the original Senators and a 135–61 record against the second Senators franchise.^[3]^[4]

After the departure of the second Senators franchise, various efforts to return MLB to the Washington, D.C., area occurred, including a 1973 effort that almost relocated the San Diego Padres to Washington for the 1974 season, bids to purchase the Orioles in 1975 and the San Francisco Giants in 1976 and move them, a large "Baseball in Washington in ′87" promotion in 1987 advocating that a team to come to Washington, calls in 1991 and 1994 for MLB to place an expansion team in Washington, and efforts to buy the Pittsburgh Pirates in 1995 and the Houston Astros in 1996 for a move to Washington. None of these efforts bore fruit, and Washington, D.C., had no Major League Baseball team from 1972 through 2004.^[5]^[6]^[7]^[8] Play between Baltimore and Washington did not resume until the advent of the Beltway Series in 2006.

Opposition to relocation by the Orioles

The Nationals–Orioles rivalry is influenced by circumstances surrounding the Nationals' founding. Peter Angelos, the owner of the Orioles, opposed the move of the Montreal Expos to Washington on the grounds that it would harm the Orioles financially, contending that the Orioles would lose fans to a Washington baseball team and that the Orioles alone had had a legal right to the entire Baltimore-Washington market since the departure of the second Senators team at the end of the 1971 season; in fact, the Orioles changed the team name on their away jerseys from "Baltimore" to "Orioles" in 1972 in an attempt to convince D.C. fans to adopt the Orioles as their "home" team. Ultimately, the owners of the other MLB teams approved the move to Washington in a 28–1 vote on December 3, 2004; Angelos cast the sole dissenting vote. The Orioles′ opposition to a baseball team in Washington created negative feelings among some Nationals fans toward the Orioles franchise, while some Orioles fans viewed the relocation of the Expos to Washington as an unwelcome intrusion that harmed the Orioles′ fan support and revenue. Even though the Nationals began play in 2005, the Orioles did not change the team name on their away jerseys back to "Baltimore" until 2009.

In the first four full seasons after baseball returned to Washington, the Nationals drew 9,127,252 fans to their games, compared to 8,892,951 fans attending Orioles games. The Nationals were a larger draw in 2005, while both teams were about the same in 2006 (the Orioles drew exactly 100 more fans that year), and in 2007 the Orioles were a larger draw by nearly 200,000 fans. In 2008 the momentum swung back the Nationals' way, with the Nationals outdrawing the Orioles by over 370,000 fans, due in part to the opening of Nationals Park.^[9] In 2009, the Orioles again drew better, attracting almost 90,000 more fans than the Nationals, but from 2010 through 2017 the Nationals outdrew the Orioles annually, ranging from an advantage of over 95,000 fans in 2010 to one of over 496,000 fans in 2017, and during the eight seasons from 2010 through 2017 combined the Nationals drew over 2,200,000 more fans than the Orioles.^[10]^[11] In 2018, as the Orioles struggled through a historically bad season, the Nationals outdrew the Orioles by over 965,000 fans.^[12]^[13]

"There are no real baseball fans in D.C."

During a 2004 radio interview on WBAL in Baltimore a few months before MLB approved the relocation of the Expos in which he voiced his opposition to a team in Washington, Angelos declared that "there are no real baseball fans in D.C."^[14]^[15] The comment has fueled resentment among some Washington baseball fans ever since, given their support for the Orioles before the Nationals began play in Washington^[14] and their enthusiasm for the Nationals since their arrival. The Washington sports media regularly cite Angelos's comment when discussing subjects such as the Nationals' success in drawing fans to games in Washington,^[15] attendance figures in Washington relative to those in Baltimore, and the number of Nationals fans who journey north to Baltimore for Beltway Series games between the teams.^[16]

Television issues

The dispute with Angelos over the Expos′ move to Washington to become the Nationals was resolved when the Orioles were granted the right to broadcast Nationals games as well as Orioles games on their new regional sports television network, the Mid-Atlantic Sports Network (MASN), which is headquartered in Baltimore. The ramifications of the way in which Major League Baseball and Angeles created the new network and the agreements behind its creation has led to ill feeling among some fans.

In order to overcome Angelos′ opposition to the Expos′ move to Washington to become the Nationals and to head off any potential litigation over the matter, Major League Baseball (which owned the Expos/Nationals franchise from 2002 to 2006) and Angelos struck a deal in 2005 to create MASN. The deal gave the Orioles an initial 90 percent ownership stake in the new network, while the Nationals owned 10 percent. The agreement gave the Nationals an automatic increase in their ownership stake of one percent per year for 23 years, after which their share of the ownership would reach 33 percent and the annual increases would stop. Thereafter, the Orioles would own 67 percent of the network and the Nationals 33 percent of it in perpetuity. The Orioles also agreed to pay the Nationals $20 million per year through the 2011 season for the rights to televise Nationals games regardless of the actual fair market value of those rights, considered a good deal for the Nationals at the time because their fan base had not yet developed, their television coverage was sometimes spotty, and their likely lack of success on the field in their first few seasons would suppress their television viewership. The agreement required the Orioles and Nationals to renegotiate the annual amount the Orioles paid to broadcast National games for the 2012 through 2016 seasons, and then again for each five-season period after that. The agreement has left the Nationals as the only Major League Baseball team that does not own its own regional sports network.^[17]

Broadcast practices

Major League Baseball and Angelos struck the deal to create MASN only days before the beginning of the 2005 season, before the completion of arrangements for Washington-area cable television providers to carry MASN's two channels (MASN and MASN2). As a result of this, many D.C.-area fans initially did not receive the new network via their cable television providers and were unable to watch most Nationals games for some time during the Nationals′ first season, leading to frustration with the network among Nationals fans. Furthermore, some Nationals fans contend that the majority ownership stake that Angelos and the Orioles hold in MASN leads the network to exhibit a bias in covering the Orioles compared to the Nationals, such as displaying the scores of Beltway Series games as "Orioles vs. Washington" – which critics see as sending a subtle message that the Orioles represent the entire Baltimore-Washington area, while the Nationals represent only Washington – as opposed to a more neutral "Orioles vs. Nationals" or "Baltimore vs. Washington."^{[citation needed]}

Broadcast rights fees

When the amount MASN pays annually to the Nationals to broadcast Nationals games first came up for renegotiation in 2012, another source of discontent arose between some Orioles and Nationals fans. The Nationals asked for MASN to increase its annual payment from $20 million to $118 million per year^[17] for the 2012 through 2016 seasons, while the Orioles countered with an offer averaging $39.5 million per year,^[17] and MASN began paying the Nationals that amount in 2012^[17] pending agreement between MASN and the Nationals on a fee. When MASN and the Nationals could not agree on an annual amount, the Orioles and Nationals submitted the matter to Major League Baseball's Revenue-Sharing Definitions Committee for arbitration. The committee issued a written decision in 2014 that MASN should pay the Nationals an average of $59 million per year for 2012 through 2016.^[17] Claiming the decision was biased against the Orioles, MASN pursued litigation on behalf of the Orioles and itself to have the committee's decision vacated.^[17] With the matter tied up in the courts, the entire 2012-2016 period went by without a resolution of the matter,^[17] and the teams missed the next required renegotiation for the seasons from 2017 through 2021. The Nationals seek payment from MASN of over $100 million in fees each for the 2012-2016 and 2017-2021 periods,^[18] and some Nationals fans resent the delay in MASN increasing the rights fees it pays their team because of the impact it has on the Nationals′ revenues and the Nationals′ ability to sign expensive free agents.

The Washington Post reported that the animosity between the teams over the television rights fee dispute may have played a role in the Orioles postponing two games of a three-game home series against the Chicago White Sox, playing the third game without allowing fans to attend, and moving a subsequent series with the Tampa Bay Rays originally scheduled to be played in Baltimore to Tampa Bay due to security concerns during the civil unrest in Baltimore following the death of Freddie Gray in April 2015. The Nationals were in the middle of a long road trip at the time, so Nationals Park in Washington was available on short notice as a nearby venue that could have hosted Orioles games, and Commissioner of Baseball Rob Manfred had suggested that possibility earlier in the week.^[19]^[20] An Orioles spokesman would not comment on whether the teams' dispute affected Orioles′ rescheduling decisions, but another source with the team told The Washington Post that it had. The Nationals said that neither the Orioles nor MLB approached them about making Nationals Park available to the Orioles, and the Nationals never made the offer themselves.^[19]

"O!"

The tradition of yelling "O!" during the line "Oh say does that star-spangled banner yet wave" during the singing of the national anthem, "The Star-Spangled Banner," is a Baltimore Orioles tradition. Over the years that Washington had no baseball team and the Orioles penetrated the Washington market (1972–2004), it became a staple of Washington-area sporting events as well. Yelling "O!" during the national anthem has caused controversy when used at Washington sports events in the past, and the yelling of "O!" during the anthem at Nationals games, even when the Nationals were not hosting the Orioles, reignited such controversy because some Nationals fans resent importing Orioles traditions into Nationals baseball culture and some sports fans view the shouting of "O!" during the national anthem at any sporting event as disrespectful of the American flag.^[21]^[22] Other fans disagree, arguing that many fans never understood or have forgotten the connection of "O!" with the Orioles and that shouting "O!" during the anthem has become an established tradition that is valid at any sporting event anywhere in the Baltimore-Washington region and does not necessarily signify support for the Baltimore Orioles.^[22]

Angelos "kind enough to let them have a team here"

After a Beltway Series game in Washington on July 7, 2014, Nationals pitcher Stephen Strasburg lamented the high proportion of Orioles fans in the stands at Nationals Park.^[23] Speaking to the press before the next day's game between the clubs, Orioles manager Buck Showalter responded by saying, "“You realize how big an area this [Washington] was for the Orioles before our owner [Peter Angelos] was kind enough to let them have a team here [in Washington].”^[24]^[25] For some Nationals fans and members of the Washington sports media, Showalter′s comment rankled, as they felt that Angelos had exhibited no kindness at all toward baseball in Washington either before or during the Expos-Nationals relocation process or in terms of the MASN television deal he struck with MLB.^[24] Writing in The Washington Times, sports columnist Thom Loverro described Showalter′s comment as a "foolish insult,"^[25] and took the matter further, arguing that, from a historical perspective, the Orioles organization owed a great deal to the kindness of Washington baseball owners and fans, as the Orioles might never have existed if the owners of the original Washington Senators franchise, the family of Clark Griffith, had not agreed to allow the St. Louis Browns to relocate for the 1954 season to Baltimore, which was considered the Senators′ territory at the time.^[25] Loverro added that as owner of the Orioles, Washington lawyer Edward Bennett Williams had not moved the Orioles to Washington, as many had expected after he bought the Orioles in 1979, had done much to encourage Washingtonians to support the Orioles, and had been instrumental in securing approval of the construction of Oriole Park at Camden Yards, and that the Orioles had enjoyed much of their financial success over the years because of the support of fans from Washington.^[25] The Baltimore press reported Showalter′s comment differently; for example, Alejandro Zuniga wrote in The Baltimore Sun that the MASN deal had made up to Angelos and the Orioles for their loss of business when the Expos relocated into the Orioles′ territory, and that the MASN deal had not prevented "plenty of Orioles fans from converting into supporters of their new, more local ballclub [i.e., the Nationals]."^[23]

2017 rainout

With Baltimore leading the series two games to one, the final game of the 2017 Beltway Series was scheduled for May 11 at Nationals Park, but it rained for much of the day and the Nationals postponed the game based on a prediction that rain would continue well into the evening. The game was rescheduled for June 8. In pregame comments to the media on June 8, Orioles manager Buck Showalter noted that the sun had been shining by the time the Orioles' team bus left Nationals Park on May 11 and that the game could have been played. The Orioles, he added, would have played with a healthy lineup that evening that included center fielder Adam Jones and third baseman Manny Machado; Dylan Bundy, the Orioles′ best starter, would have been on the mound. In contrast, the Nationals had planned for A. J. Cole, who had had only mixed success at the major-league level over the preceding three years, to make a spot start on May 11. By June 8, Jones and Machado both were injured, and Bundy was not the scheduled starter. Sports reporters took away a clear impression that the Orioles believed that the Nationals had unnecessarily cancelled the game so as to avoid an unfavorable pitching matchup and facing the Orioles′ best lineup. The Nationals won the June 8 game to clinch a 2–2 Beltway Series tie for the season.^[26]

Asked about the Orioles′ interpretation of the postponement, Nationals General Manager Mike Rizzo responded that the weather forecast for May 11 had called — incorrectly, as it turned out — for rain to persist well into the evening and that Showalter had been in full agreement on May 11 that the game should be postponed. Rizzo added that the Orioles had refused to play on the teams′ next mutual off date, May 15, necessitating that they play on June 8, and that the June 8 date actually was less favorable to the Nationals, who gave up an off-day after a 10-day, three-city trip to the United States West Coast, than to the Orioles, who were just completing a nine-game homestand in nearby Baltimore. Given all of this, Rizzo said that the Orioles should "quit whining."^[26]

Questioning whether a rivalry exists

The idea that a rivalry exists between the Nationals and Orioles is itself controversial. Despite the marketing of the Beltway Series as a "Battle of the Beltways" and the animosity some Baltimore and Washington baseball fans feel toward one another's teams and cities, some observers – both sports journalists and fans – question whether a Nationals-Orioles rivalry truly exists, arguing that it is a "manufactured" rivalry born of the media, marketing, interleague play, and coincidental geographical proximity rather than history or the significance of the games, and that the Beltway Series lacks the meaning of true rivalries found elsewhere in MLB.^[27]^[28]^[29]^[30]

Non-competitive history

Sports rivalries generally arise between teams that are familiar with one another, play one another frequently, and have a history of parity and of meeting one another in significant games,^[31] but this has rarely, if ever, occurred between Baltimore and Washington MLB teams. During the years from 1954 to 1971, when the Orioles played the original Senators and then the expansion Senators regularly in the American League, the Orioles enjoyed great success, while the two Senators teams between them managed only one winning season, in 1969. This unbalanced competition militated against any real rivalry springing up between the teams, as games between them tended to be insignificant and dominated by Baltimore.^[28] Moreover, memories of this era have faded with time as Baltimore- and Washington-area fans age and thanks to the transient nature of the Washington-area population, where the dominance of United States Government employment results in significant turnovers in population as people arrive to participate in government activities, then leave as political circumstances change.^[30]

During the early years of the Beltway Series from 2006 to 2011, neither the Nationals or the Orioles fielded competitive teams, and this meant that the editions of the Beltway Series during those seasons carried no real importance in terms of either team's prospects for winning seasons. Since 2012, when both the Nationals and Orioles began to achieve real success, fan interest in both teams has increased and led to greater attendance, but no particularly significant game has arisen as part of the Beltway Series.^[27]^[28]^[32]^[29]

Two-team fans

The Baltimore and Washington sports markets also call into question the extent to which fans view a rivalry as existing. Although relatively few Baltimore-area baseball fans appear to support the Nationals, many Washington-area fans adopted the Orioles as their "home team" during the 33 seasons (1972–2004) Washington had no MLB team, and this penetration of the Washington sports market by the Orioles has resulted in many Washington-area MLB fans continuing to root for the Orioles, either instead of or in addition to the Nationals. Supporting both teams is made easier by their membership in different leagues and the rarity of their meetings compared to the number of games they play against divisional and league rivals. For fans who support both teams, the Baltimore-Washington metropolitan area constitutes a two-team market in which they root for one team in each league; to such fans, the Beltway Series is a matter of interest because it involves both of their "home" teams, rather than their home team playing against a disliked crosstown rival. The Beltway Series tends to draw well in both cities, but this does not necessarily indicate that fans are attending to watch a chapter in a true rivalry between teams with a history of meaningful competition or animosity; many appear to view the series merely as an annual opportunity for low-key, good-natured competition between the teams and their fans for "bragging rights" in the Baltimore-Washington region.^[33]^[28]^[32]

Players' attitudes

With the exception of a September 2015 game at Nationals Park in which Nationals pitcher Jonathan Papelbon hit Orioles infielder Manny Machado with a pitch, resulting in an exchange of words between Machado and Papelbon, both dugouts emptying, and Papelbon's ejection from the game, no particular ill feeling has existed on the field between the teams. Players of both teams appear to view the teams in their own divisions – which they play 19 times each per season – as their rivals, and they attach no particular significance to the comparatively short annual Beltway Series, which merely pits them briefly against a team in a different league that they otherwise would not play unless they met in the World Series.^[33]^[29]

Television broadcast

The Mid-Atlantic Sports Network (MASN), which owns the rights to broadcast both Orioles and Nationals games, televised the 2006 and 2007 Beltway Series in a conventional format, with each team's broadcasters covering the game for separate audiences via separate telecasts. From 2008^[34] through 2013, however, MASN televised the Beltway Series using an unconventional concept in which mixed Orioles-Nationals broadcast booths covered each game. In the mixed-booth concept, the two teams′ play-by-play announcers – Jim Hunter for the Orioles and Bob Carpenter for the Nationals – alternated on play-by-play during each game and color analysts and sideline reporters from both teams worked together in the booth and on the field throughout each game.^[35] The concept was based on the premise that the Orioles and Nationals were both "home" teams for the combined Baltimore-Washington area, and that fans in both cities followed and supported both teams, were familiar with both sets of broadcasters, and would enjoy coverage of Beltway Series games by broadcasters from both of "their" teams working together in the same telecast. In 2010 news releases about that year's Beltway Series, MASN referred to its "popular mixed booth broadcast,"^[34]^[36] and on May 29, 2013, Hunter started a Beltway Series broadcast from Oriole Park by saying "It′s your Nats, it’s your Orioles, going head-to-head on your network."^[37] With the mixed booth in use, each Beltway Series game was simulcast on both MASN cable channels (MASN and MASN2).

By 2013, fan feedback suggested that the unusual mixed-booth arrangement was overwhelmingly unpopular with both Orioles and Nationals fans,^[35]^[37] and in February 2014 MASN announced an end to it. In a February 26, 2014, statement announcing the change, MASN said, "The combined booth is an idea that’s run its course, and with both teams possessing strong individual identities and playoff aspirations for 2014 the decision was made to give fans what they’ve been clamoring for – their individual team’s broadcast partners calling the action as they would for any other game."^[35]^[38] Since 2014, MASN's Orioles and Nationals broadcast teams have covered each Beltway Series game separately, with the home team's broadcast televised on MASN and the visiting team's broadcast on MASN2.^[35]

Club success

Team	Seasons	World Series titles	League pennants	Division titles	Wild card berths	Playoff appearances	World Series appearances	All-time regular season record	Win percentage
Baltimore Orioles (1954–2018)	65	3	6	9	2	12	6	5,252–5,066	.509
Washington Nationals (2005–2018)	14	0	0	4	0	4	0	1,129–1,137	.498
Combined	79	3	6	13	2	16	6	6,381–6,203	.507

Beltway Series results

Season	Season series		at Baltimore Orioles WSH-BAL	at Washington Nationals BAL-WSH	Notes
2006	Tie	3–3	1-2; 2-3; 9-5	5-1; 3-8; 1-3	First meeting of Nationals and Orioles First meeting of the franchises since an Expos-Orioles interleague series in 2001 First meeting of Baltimore and Washington MLB teams since 1971
2007	Nationals	4–2	7-4; 9-6₍₁₁₎; 3-1	5-4; 3-2₍₁₁₎; 3-4
2008	Tie	3–3	3-5; 5-6; 2-1	2-4; 9-1; 2-3₍₁₂₎	Nationals Park opens
2009	Orioles	4–2	1-11; 3-6; 5-3	4-2₍₁₂₎; 2-1; 5-8
2010	Orioles	4–2	6-7; 5-6; 3-4	5-3; 6-7; 3-4₍₁₀₎
2011	Tie	3–3	17-5; 3-8; 1-2	4-8; 2-4; 7-4
2012	Orioles	4–2	1-2; 3-1; 1-2	2-1₍₁₁₎; 6-5; 3-9	Both teams make playoffs; first playoff appearance for the Nationals
2013	Orioles	3–1	6-9; 0-2	6-2; 3-9	Series changed to four-game format with two in each city except in years the AL East plays the NL East (2015, 2018, etc.)
2014	Orioles	3–1	6-2; 3-4	8-2; 7-3	Both teams win their respective divisions
2015	Orioles	4–2	2-3; 7-4; 3-2	4-1; 4-3; 5-4
2016	Orioles	3–1	3-4; 1-8	10-8; 0-4
2017	Tie	2–2	4-6; 4-5₍₁₂₎	6-7; 1-6
2018	Nationals	5–1	6-0; 3-2; 2-0	7-9; 3-0; 2-4
2019
Overall	Orioles	39-31	at Baltimore Orioles Orioles, 22-13	at Washington Nationals Nationals, 18-17

Game log

Legend
style="Template:Baseball primary color;"\|	Nationals win, series lead, overall lead, or streak
style="Template:Baseball primary color;"\|	Orioles win, series lead, overall lead, or streak
	Tie in series or overall record
	Postponement

Game Log (Baltimore 39–31)

2006 (Tied 3–3)

Game	Date	Location	Score	Win	Loss	Save	Attendance	Series lead	Overall lead	Streak	Notes
1	May 19	RFK Stadium Washington, D.C.	Baltimore 5 Washington 1	Kris Benson (6–3)	Michael O'Connor (2–2)	—	30,320	BAL 1–0	BAL 1–0	BAL 1	The first Baltimore-vs.-Washington major-league game since the 1971 season falls about 13,000 fans short of a sell-out, raising questions about how much of a rivalry fans see in the Beltway Series.^[2] Benson pitches a five-hit complete game, giving up only one run on an Alfonso Soriano homer in the eighth inning.^[2]
2	May 20	RFK Stadium Washington, D.C.	Baltimore 3 Washington 8	Jon Rauch (1–1)	Rodrigo Lopez (1–7)	—	32,502	Tied 1–1	Tied 1–1	WSH 1	Alfonso Soriano homers for the Nationals for the third straight game, his 15th home run of the season, giving him five home runs in seven games and seven home runs in his last 13 hits.^[39]
3	May 21	RFK Stadium Washington, D.C.	Baltimore 1 Washington 3	Liván Hernández (5–2)	Bruce Chen (0–5)	—	32,152	WSH 2–1	WSH 2–1	WSH 2	The Nationals win two home games in a row for the first time in 2006 and their first consecutive home series since June 2005 as Hernández snaps a seven-start winless streak.^[40]
4	June 23	Oriole Park Baltimore, MD	Washington 1 Baltimore 2	Rodrigo Lopez (5–8)	John Patterson (1–1)	Chris Ray (19)	48,331	Tied 2–2	Tied 2–2	BAL 1	Oriole Park sells out for the first visit to Baltimore by a Washington MLB team since the 1971 season. Lopez dominates Washington's hitters in a pitchers' duel with Patterson as the Orioles drop the Nationals to their fourth straight loss and seventh in nine games.^[41]
5	June 24	Oriole Park Baltimore, MD	Washington 2 Baltimore 3	Todd Williams (2–3)	Chad Cordero (2–3)	—	36,290	BAL 3–2	BAL 3–2	BAL 2	Baltimore's Javy López gets three hits, among them the 1,500th of his career.^[42] After rain delays of 26 minutes in the seventh inning and 2 hours 18 minutes between halves of the ninth, Ramón Hernández singles in the winning run for the Orioles off Cordero only five minutes after play resumes in the bottom of the ninth, bringing the game to an end nearly six hours after it began. ^[42]
6	June 25	Oriole Park Baltimore, MD	Washington 9 Baltimore 5	Liván Hernández (6–8)	Daniel Cabrera (4–5)	—	27,680	Tied 3–3	Tied 3–3	WSH 1	Cabrera walks five, hits a batter, and throws an Orioles-record four wild pitches in 42⁄3 innings, Hernández – making his 300th career start – holds the Orioles to three runs on six hits in six-plus innings, and the Nationals score four runs in the fifth inning on their way to snapping a five-game losing streak.^[43]

2007 (Washington 4–2)

Game	Date	Location	Score	Win	Loss	Save	Attendance	Series lead	Overall lead	Streak	Notes
7	May 18	RFK Stadium Washington, D.C.	Baltimore 5 Washington 4	Steve Trachsel (2–3)	Jason Simontacchi (1–2)	Chris Ray (9)	22,375	BAL 1–0	BAL 4–3	BAL 1	RFK Stadium is less than half full for the first game of the 2007 Beltway Series.^[44] Behind a career-high four hits by Brian Roberts, Baltimore ends a five-game losing streak, and the Orioles′ bullpen holds off a Nationals rally with runners on the corners and two outs in the bottom of the ninth inning to preserve the win.^[44]
8	May 19	RFK Stadium Washington, D.C.	Baltimore 3 Washington 2 (11)	John Parrish (2–0)	Winston Abreu (0–1)	Chris Ray (10)	30,661	BAL 2–0	BAL 5–3	BAL 2	Mike Bacsik pitches six shutout innings for the Nationals in his first MLB appearance since 2004, but Jay Payton′s two-run double in the top of the 11th inning gives Baltimore the go-ahead runs, and the Orioles′ bullpen preserves the win despite allowing a run in the bottom of the inning.^[45]
9	May 20	RFK Stadium Washington, D.C.	Baltimore 3 Washington 4	Jesús Colomé (3–0)	Danys Báez (0–3)	Chad Cordero (5)	29,281	BAL 2–1	BAL 5–4	WSH 1	Baltimore starter Erik Bedard gives up one run on three hits and three walks with a career-high 12 strikeouts and gets the first two hits of his MLB career, driving in a run, while the Orioles′ Jay Payton has three hits.^[46] But the Nationals – with pitcher Micah Bowie making his first MLB start since 1999 – score three runs off the Orioles′ bullpen in the eighth inning to win the game in the last meeting of the teams at RFK Stadium.^[46]
10	June 12	Oriole Park Baltimore, MD	Washington 7 Baltimore 4	Micah Bowie (3–2)	Daniel Cabrera (5–7)	Chad Cordero (9)	21,151	Tied 2–2	Tied 5–5	WSH 2	Baltimore starter Daniel Cabrera gives up seven runs on seven hits, and four walks in 42⁄3 innings and the Orioles suffer their eighth loss in ten games. The 25-year-old Cordero earns the 100th save of his career, becoming the second-youngest MLB player to reach that milestone.^[47]
11	June 13	Oriole Park Baltimore, MD	Washington 9 Baltimore 6 (11)	Billy Traber (2–0)	Chris Ray (3–5)	Saúl Rivera (3)	21,782	WSH 3–2	WSH 6–5	WSH 3	Jay Payton has four hits for the Orioles, one of which – the 1,000th of his MLB career – ties the game to force extra innings, but Felipe López′s bases-loaded triple in the top of the 11th inning wins the game for the Nationals, dealing the Orioles their ninth loss in 11 games.^[48] The victory clinches Washington's fourth straight road series win,^[48] something the Montreal-Washington franchise had not done in a single season since the Expos did it in 2001,^[48]
12	June 14	Oriole Park Baltimore, MD	Washington 3 Baltimore 1	Jason Simontacchi (4–4)	Chad Bradford (0–3)	Chad Cordero (10)	20,770	WSH 4–2	WSH 7–5	WSH 4	Never trailing in the game, the Nationals complete a three-game sweep of the Orioles, the first time one team has swept three games from the other in the Beltway Series. It is Washington's second series sweep of the year and first road series sweep since June 2006.^[49] Washington wins its fifth game in its last six, Baltimore loses the 10th game of its last 12, and the 2007 Beltway Series ends with both teams in last place in their respective divisions and identical records of 29–37 on the season overall.^[49] The Nationals win the annual Beltway Series for the first time, but will not win four straight games against the Orioles again until 2017-2018 and will not win an annual Beltway Series again until 2018.

2008 (Tied 3–3)

Game	Date	Location	Score	Win	Loss	Save	Attendance	Series lead	Overall lead	Streak	Notes
13	May 16	Oriole Park Baltimore, MD	Washington 3 Baltimore 5	Garrett Olson (3–0)	Shawn Hill (0–1)	George Sherrill (16)	29,266	BAL 1–0	WSH 7–6	BAL 1	The Orioles break a four-game losing streak against the Nationals, winning the sixth of their last seven games in a contest characterized by poor Baltimore baserunning and Washington misplays in the outfield.^[50]
14	May 17	Oriole Park Baltimore, MD	Washington 5 Baltimore 6	Brian Burres (4–4)	Odalis Pérez (1–4)	George Sherrill (17)	32,662	BAL 2–0	Tied 7–7	BAL 2	Burres holds Washington to two runs on four hits in 62⁄3 innings of work and the Orioles bullpen holds off an eighth-inning Nationals rally to give Baltimore its fourth straight win.^[51] Nick Markakis has a homer and three RBIs for the Orioles.^[51]
15	May 18	Oriole Park Baltimore, MD	Washington 2 Baltimore 1	John Lannan (4–4)	Jeremy Guthrie (2–4)	Jon Rauch (10)	33,745	BAL 2–1	WSH 8–7	WSH 1	After a two-hour rain delay before the game can begin, rookie Lannan in the 15th MLB start of his career pitches beyond the seventh inning for the first time and carries a two-hit shutout through 71⁄3 innings; he leaves the game having given up a run on four hits when another rain delay of 27 minutes ends his outing.^[52] The Nationals complete their first winning road trip of at least seven games since June 2007, going 4–3.^[52]
16	June 27	Nationals Park Washington, D.C.	Baltimore 2 Washington 4	Joel Hanrahan (4–2)	Daniel Cabrera (5–4)	Jon Rauch (16)	35,830	Tied 2–2	WSH 9–7	WSH 2	The largest crowd at Nationals Park since Opening Day attends the first Beltway Series game in the new park's history, which begins 13 minutes late due to rain.^[53] Pinch-hitter Kory Casto drives in the winning run for the Nationals in the seventh inning.^[53]
17	June 28	Nationals Park Washington, D.C.	Baltimore 9 Washington 1	Garrett Olson (6–3)	John Lannan (4–9)	Lance Cormier (1)	39,479	BAL 3–2	WSH 9–8	BAL 1	Adam Jones has a career-record-tying four hits as part of a balanced Baltimore attack in which eight Orioles starters have a hit and seven Orioles have RBIs before what at the time is the second-largest crowd in Nationals Park history.^[54]
18	June 29	Nationals Park Washington, D.C.	Baltimore 2 Washington 3 (12)	Joel Hanrahan (5–2)	George Sherrill (2–3)	—	39,874	Tied 3–3	WSH 10–8	WSH 1	After Adam Jones drives in the go-ahead run for the Orioles with a single in the top of the 12th inning, Ronnie Belliard hits a two-run homer in the bottom of the inning to give Washington a walk-off win.^[55] The game draws the largest crowd in Nationals Park history at the time.^[55]

2009 (Baltimore 4–2)

Game	Date	Location	Score	Win	Loss	Save	Attendance	Series lead	Overall lead	Streak	Notes
19	May 22	Nationals Park Washington, D.C.	Baltimore 4 Washington 2 (12)	Danys Báez (3–1)	Kip Wells (0–2)	George Sherrill (8)	22,556	BAL 1–0	WSH 10–9	BAL 1	Báez pitches two shutout innings and gets his first major-league hit, a bunt single with two outs in the 12th inning, to ignite an Orioles rally that gives Baltimore the win, breaking a four-game Orioles losing streak.^[56] Washington's Ryan Zimmerman reaches base safely for the 40th consecutive game.^[56]
20	May 23	Nationals Park Washington, D.C.	Baltimore 2 Washington 1	Brian Bass (3–1)	Julián Tavárez (1–4)	George Sherrill (9)	31,833	BAL 2–0	Tied 10–10	BAL 2	Before the second-largest crowd of the season at Nationals Park, Washington's Ross Detwiler in his second career MLB start pitches six innings of one-hit, one-run ball, but Aubrey Huff′s pinch-hit triple in the seventh inning off Ron Villone drives in Baltimore's winning run.^[57] Washington's Ryan Zimmerman singles and walks to reach base safely for the 41st consecutive game.^[57]^[58]
21	May 24	Nationals Park Washington, D.C.	Baltimore 5 Washington 8	Ron Villone (2–0)	Chris Ray (0–1)	Joel Hanrahan (5)	30,880	BAL 2–1	WSH 11–10	WSH 1	Adam Dunn hits two home runs for the Nationals, including a go-ahead grand slam off Jamie Walker in the seventh inning, and drives in a career-high six runs.^[59] Washington's Ryan Zimmerman singles to reach base safely for the 42nd consecutive game, tying the single-season Montreal-Washington franchise record set by Tim Raines with the Montreal Expos in 1986.^[59] The Orioles complete a 4–6 road trip in last place in the AL East and the Nationals a 2–8 homestand with the worst record in MLB.^[59]
22	June 26	Oriole Park Baltimore, MD	Washington 1 Baltimore 11	Brad Bergesen (5–2)	Ross Detwiler (0–4)	—	45,024	BAL 3–1	Tied 11–11	BAL 1	The largest crowd at Oriole Park since Opening Day watches the two last-place clubs play.^[60] Melvin Mora has four RBIs for the Orioles, and in the sixth inning Baltimore sends 13 batters to the plate and scores eight runs.^[60]
23	June 27	Oriole Park Baltimore, MD	Washington 3 Baltimore 6	Jeremy Guthrie (6–7)	Shairon Martis (5–3)	George Sherrill (16)	39,633	BAL 4–1	BAL 12–11	BAL 2	The Nationals′ Austin Kearns gets his first RBI in 34 games played since May 7, but Nolan Reimold′s towering three-run homer off Shairon Martis in the fifth inning gives the Orioles the lead for good.^[61]
24	June 28	Oriole Park Baltimore, MD	Washington 5 Baltimore 3	John Lannan (5–5)	David Hernandez (2–3)	Mike MacDougal (3)	25,068	BAL 4–2	Tied 12–12	WAS 1	Lannan takes a four-hitter into the eighth inning and Adam Dunn puts the Nationals ahead for good in the fourth inning with a 442-foot (134.7-meter) two-run homer off David Hernandez that lands on Eutaw Street before hitting the B&O Warehouse on one bounce.^[62] Washington's Cristian Guzmán goes 0-for-5, ending his 10-game hitting streak.^[62]

2010 (Baltimore 4–2)

Game	Date	Location	Score	Win	Loss	Save	Attendance	Series lead	Overall lead	Streak	Notes
25	May 21	Nationals Park Washington, D.C.	Baltimore 5 Washington 3	David Hernandez (1–5)	Scott Olsen (2–2)	Alfredo Simón (6)	27,378	BAL 1–0	BAL 13–12	BAL 1	Allowing one hit in 5+1⁄3 innings of work, Hernandez gets his first win in 17 starts dating back to August 2009 – a stretch in which he went 0–11 – and pitches a no-hitter through 4+2⁄3 innings until Nationals pitcher Miguel Batista breaks it up with a single, ending an 0-for-22 drought at the plate with his first hit since August 9, 2006.^[63] Baltimore's Adam Jones hits his first home run since April 24.^[63] The Nationals suffer their seventh loss in eight games and fall below .500 for the first time since April 15.^[63]
26	May 22	Nationals Park Washington, D.C.	Baltimore 6 Washington 7	Tyler Walker (1–0)	Mark Hendrickson (1–2)	Matt Capps (16)	30,290	Tied 1–1	Tied 13–13	WSH 1	Washington comes from behind with a four-run rally in the sixth inning for the win.^[64] Baltimore's Ty Wigginton has four RBIs and Adam Jones hits the Orioles′ first inside-the-park home run since July 21, 2004 – and the second at Nationals Park in four days – when Nationals center fielder Nyjer Morgan misplays a fly ball and throws an on-field tantrum in the mistaken belief it had gone into the stands.^[64] The Nationals get back to .500 (22–22) on the season, and Capps gets his MLB-leading 16th save.^[64]
27	May 23	Nationals Park Washington, D.C.	Baltimore 3 Washington 4 (10)	Doug Slaten (2–0)	Cla Meredith (0–2)	—	27,535	WSH 2–1	WSH 14–13	WSH 2	After Washington's Matt Capps blows a save for the first time all season, Josh Willingham′s walk-off homer wins it for the Nationals in the tenth inning.^[65] In his first at-bat since high school, Washington rookie pitcher Drew Storen singles.^[65]
28	June 25	Oriole Park Baltimore, MD	Washington 6 Baltimore 7	Alfredo Simón (2–1)	Tyler Clippard (8–4)	—	43,484	Tied 2–2	Tied 14–14	BAL 1	Trailing 6–0 in the fifth inning and 6–3 in the eighth, Baltimore takes advantage of a season-high four Washington errors for a come-from-behind win, dealing the Nationals their 18th loss in their last 22 road games.^[66] Scott Moore′s pinch-hit two-run homer off Clippard in the eighth inning is the first home run yielded by a Nationals pitcher in 73 innings.^[66] For Washington, center fielder Nyjer Morgan has four hits, scores three runs, and makes a spectacular catch, while Willie Harris breaks an 0-for-20 slump with a bunt single.^[66]
29	June 26	Oriole Park Baltimore, MD	Washington 5 Baltimore 6	Jason Berken (1–1)	Sean Burnett (0–4)	Alfredo Simón (8)	28,635	BAL 3–2	BAL 15–14	BAL 2	Trailing 5–0 in the fourth inning, Baltimore rallies for its second consecutive come-from-behind win, the go-ahead run scoring in the seventh inning on a wild pitch by Washington's Drew Storen.^[67] Matt Wieters has three hits and two RBIs for the Orioles.^[67] With the worst record in MLB at 22–52, Baltimore wins its third straight game and clinches its first series win in 14 tries.^[67] At 33–42, the Nationals drop to a season-worst nine games below .500.^[67]
30	June 27	Oriole Park Baltimore, MD	Washington 3 Baltimore 4	David Hernandez (3–6)	Tyler Clippard (8–5)	Alfredo Simón (9)	22,951	BAL 4–2	BAL 16–14	BAL 3	The Orioles overcome a 3–0 deficit for their third consecutive come-from-behind win, giving them a season-high winning streak of four, and the Nationals lose for the 10th time in 12 games.^[68] The Orioles sweep a series for the first time since April 30-May 2 and sweep the Nationals for the first time in the Beltway Series, while the Nationals are swept for the fifth time in 2010.^[68] Baltimore wins its second annual Beltway Series in a row.

2011 (Tied 3–3)

Game	Date	Location	Score	Win	Loss	Save	Attendance	Series lead	Overall lead	Streak	Notes
31	May 20	Oriole Park Baltimore, MD	Washington 17 Baltimore 5	Henry Rodríguez (1–0)	Jake Arrieta (5–2)	—	24,442	WSH 1–0	BAL 16–15	WSH 1	After suffering two consecutive shutout losses, the Nationals have their strongest offensive showing since moving to Washington in 2005 with 19 hits, including a Nationals-record six home runs.^[69] Jayson Werth has two homers and four RBIs, Danny Espinosa ges 3-for-4 with a homer, a triple, and five RBIs, and Roger Bernadina, Wilson Ramos, and Laynce Nix also hit home runs.^[69] The Orioles lose their fourth straight game, giving up 42 runs during the losing streak and 30 in their past two games.^[69]
32	May 21	Oriole Park Baltimore, MD	Washington 3 Baltimore 8	Jeremy Guthrie (2–6)	John Lannan (2–5)	—	33,107	Tied 1–1	BAL 17–15	BAL 1	Every Oriole gets at least one hit as part of a 14-hit attack in which Baltimore scores four runs each in the third and seventh innings, and Guthrie wins his first game since Opening Day.^[70] Baltimore's J. J. Hardy and Washington's Adam LaRoche each single, Hardy breaking out of an 0-for-23 slump and LaRoche ending an 0-for-26 drought.^[70]
33	May 22	Oriole Park Baltimore, MD	Washington 1 Baltimore 2	Jim Johnson (3–1)	Jordan Zimmermann (2–5)	Kevin Gregg (8)	33,626	BAL 2–1	BAL 18–15	BAL 2	Zimmermann gives up only a double and a walk through six innings, but in the seventh Vladimir Guerrero hits a two-run homer off him to give Baltimore the win in both the game and the three-game series at Baltimore.^[71]
34	June 17	Nationals Park Washington, D.C.	Baltimore 4 Washington 8	Sean Burnett (3–3)	Jeremy Accardo (3–3)	—	35,562	Tied 2–2	BAL 18–16	WSH 1	The Nationals win their seventh straight game despite giving up a season-high 18 hits to the Orioles.^[72] Baltimore has at least one hit in every inning: Derrek Lee goes 5-for-5, Adam Jones and Nick Markakis each have four hits, and starter Zach Britton′s RBI double is the first hit of his MLB career, but the Orioles strand 12 runners and go 4-for-14 with runners in scoring position.^[72]
35	June 18	Nationals Park Washington, D.C.	Baltimore 2 Washington 4	Jordan Zimmermann (5–6)	Brian Matusz (1–2)	Drew Storen (17)	36,614	WSH 3–2	BAL 18–17	WSH 2	With Nationals Park's largest crowd since Opening Day looking on, the Nationals win their eighth straight game^[73] – their longest winning streak since June 2005^[74] – to climb to one game under .500 (35–36) while the Orioles lose the sixth of their last seven and fall to a season-worst six games under .500 (31–37).^[73] For Washington, Michael Morse homers to raise his season RBI total to a career-high 42, while Ian Desmond′s 11-game hitting streak ends with an 0-for-4 performance..^[73]
36	June 19	Nationals Park Washington, D.C.	Baltimore 7 Washington 4	Chris Jakubauskas (2–0)	Tom Gorzelanny (2–6)	—	35,439	Tied 3–3	BAL 19–17	BAL 1	The Orioles snap the Nationals′ eight-game winning streak as Mark Reynolds has three hits including a homer and Jakubauskas singles twice for the first two hits of his MLB career.^[74] Washington's Roger Bernadina has three hits, one of them a home run, and Baltimore's Derrek Lee has two hits to go 9-for-13 (.692) in the three-game series at Washington.^[74]

2012 (Baltimore 4–2)

Game	Date	Location	Score	Win	Loss	Save	Attendance	Series lead	Overall lead	Streak	Notes
37	May 18	Nationals Park Washington, D.C.	Baltimore 2 Washington 1 (11)	Kevin Gregg (2–1)	Ryan Mattheus (2–1)	Pedro Strop (3)	36,680	BAL 1–0	BAL 20–17	BAL 2	For the first time in Beltway Series history, both teams have winning records when they meet.^[75] Baltimore starter Jake Arrieta pitches five scoreless innings before yielding a solo home run to Ian Desmond in the sixth and ties his career record with nine strikeouts in seven innings of work, Baltimore's Adam Jones extends his hitting streak to 10 games for the third time in 2012, and Nick Markakis gives the first-place Orioles the winning run with a solo homer off Mattheus in the 11th inning.^[75]
38	May 19	Nationals Park Washington, D.C.	Baltimore 6 Washington 5	Jason Hammel (5–1)	Ross Detwiler (3–3)	Jim Johnson (15)	42,331	BAL 2–0	BAL 21–17	BAL 3	The Al East-leading Orioles win their season-high fifth in a row and 15th of 20 road games and deal the Nationals their third straight loss, pulling out to a 6–0 lead and then fending off a Nationals comeback.^[76] Baltimore's Adam Jones homers for the fourth time in five games and extends his hitting streak to 11 games.^[76]
39	May 20	Nationals Park Washington, D.C.	Baltimore 3 Washington 9	Stephen Strasburg (4–1)	Wei-Yin Chen (4–1)	—	41,918	BAL 2–1	BAL 21–18	WSH 1	The Orioles jump out to an early 3–0 lead, but after the second inning get only two hits – both in the ninth – while giving up nine runs to the Nationals, who snap Baltimore's winning streak at five and road winning streak at nine.^[77] In his first appearance against the Orioles, Strasburg pitches five innings before leaving the game with biceps tightness, striking out nine, retiring the last 10 batters he faces, and going 2-for-2 at the plate, including his first MLB home run.^[77] For Baltimore, Adam Jones extends his hitting streak to 12 games^[78] and Xavier Avery steals a base for the first time in his MLB career.^[77]
40	June 22	Oriole Park Baltimore, MD	Washington 1 Baltimore 2	Jason Hammel (8–2)	Jordan Zimmermann (3–5)	Jim Johnson (21)	45,891	BAL 3–1	BAL 22–18	BAL 1	Following up a complete-game one-hit shutout of the Atlanta Braves in his last outing, Hammel pitches eight innings of five-hit ball against Washington in which he strikes out a career-high 10 batters and gives up no walks and only one unearned run, stretching his streak of giving up no earned runs to 19 innings and improving his lifetime record against the Nationals to 5–0.^[79] A threat of rain delays the start of the game for 61 minutes, but Oriole Park sells out for the fourth time in 2012, and Baltimore snaps a three-game losing streak.^[79]
41	June 23	Oriole Park Baltimore, MD	Washington 3 Baltimore 1	Edwin Jackson (4–4)	Wei-Yin Chen (7–3)	Tyler Clippard (12)	46,298	BAL 3–2	BAL 22–19	WSH 1	Jackson retires the first 12 Orioles batters he faces, allows only one runner past first base through six innings, takes a one-hitter into the 7th inning, and gives up one run on four hits in a 6+1⁄3-inning outing.^[80] Oriole Park sells out for the second day in a row and fifth time in 2012 as the first-place Nationals hand the Orioles their fourth defeat in five games.^[80]
42	June 24	Oriole Park Baltimore, MD	Washington 1 Baltimore 2	Pedro Strop (4–2)	Sean Burnett (0–1)	Jim Johnson (22)	41,794	BAL 4–2	BAL 23–19	BAL 1	Matt Wieters hits a two-run homer in the eighth inning to give the Orioles a come-from-behind victory.^[81] The game ends on a double play as Danny Espinosa strikes out and Wieters throws out Ian Desmond as Desmond tries to steal second.^[81] The Orioles finish interleague play in 2012 having won five of their six interleague series.^[81]

2013 (Baltimore 3–1)

Game	Date	Location	Score	Win	Loss	Save	Attendance	Series lead	Overall lead	Streak	Notes
43	May 27	Nationals Park Washington, D.C.	Baltimore 6 Washington 2	Jason Hammel (7–2)	Gio González (3–3)	—	41,260	BAL 1–0	BAL 24–19	BAL 2	In his longest outing of the season, Hammel improves his record at Nationals Park to 4–0^[82] and his lifetime record against the Nationals to 6–0, holding Washington to two runs on eight hits and striking out eight.^[82] The Orioles′ 15 hits include three by 20-year-old Manny Machado.^[82]
44	May 28	Nationals Park Washington, D.C.	Baltimore 3 Washington 9	Zach Duke (1–1)	Kevin Gausman (0–2)	—	35,664	Tied 1–1	BAL 24–20	WSH 1	After rain delays the start of the game for 81 minutes, Washington's Adam LaRoche homers twice and drives in four runs.^[83] Baltimore's franchise-record streak of scoring five or more runs in road games ends at 10,^[83] while Washington extends its streak of series in which it hits at least one home run to 73, the longest active streak in MLB.^[83]
45	May 29	Oriole Park Baltimore, MD	Washington 6 Baltimore 9	Steve Johnson (1–1)	Jordan Zimmermann (8–3)	Jim Johnson (16)	39,129	BAL 2–1	BAL 25–20	BAL 1	Ryan Zimmerman hits three home runs in the first five innings – the first three-homer game of his career – and Washington jumps out to a four-run lead, but Baltimore battles back with 13 hits, six of them in a six-run 7th inning, for the win.^[84] Each team hits four home runs,^[84] and Baltimore's Chris Davis goes 4-for-4.^[84]
46	May 30	Oriole Park Baltimore, MD	Washington 0 Baltimore 2	Freddy García (2–2)	Dan Haren (4–6)	Jim Johnson (17)	30,665	BAL 3–1	BAL 26–20	BAL 2	García pitches eight innings of three-hit, shutout ball, striking out six, issuing no walks, and allowing only one runner past first base in the first six innings and only two runners past first overall.^[85] Haren takes his third straight loss despite giving up only two runs on eight hits in 7+1⁄3-plus innings.^[85] Baltimore's Chris Davis goes 0-for-3, ending a streak of eight games in which he got at least one hit and scored at least one run.^[85] Baltimore wins its second annual Beltway Series in a row.

2014 (Baltimore 3–1)

Game	Date	Location	Score	Win	Loss	Save	Attendance	Series lead	Overall lead	Streak	Notes
47	July 7	Nationals Park Washington, D.C.	Baltimore 8 Washington 2 (11)	T. J. McFarland (2–2)	Craig Stammen (0–4)	—	35,126	BAL 1–0	BAL 27–20	BAL 3	The teams meet other than in May or June for the first time. The first seven innings feature a pitching duel between Baltimore's Chris Tillman and Washington's Stephen Strasburg, with Tillman striking out six and allowing five hits and Strasburg striking out nine and giving up four hits – three by Manny Machado, who finishes with a career-high five hits – and each pitcher yielding a two-run homer.^[86] Chris Davis′s two-run homer off Craig Stammen in the 11th inning starts a six-hit, six-run rally that also includes a solo homer by J. J. Hardy and a two-run homer by Machado, and the AL East-leading Orioles win for the seventh time in eight games.^[86] The Nationals lose for only the second time in nine games.^[86]
–	July 8	Nationals Park Washington, D.C.	Postponed (rain); rescheduled for August 4.								The first rainout in the history of the Beltway Series.
48	July 9	Oriole Park Baltimore, MD	Washington 6 Baltimore 2	Doug Fister (8–2)	Bud Norris (7–6)	—	35,575	Tied 1–1	BAL 27–21	WSH 1	Fister strikes out three and yields two runs on seven hits and two walks in seven innings of work and Wilson Ramos, Ian Desmond, and Jayson Werth all hit solo homers as Washington wins for the eighth time in 10 games.^[87]
49	July 10	Oriole Park Baltimore, MD	Washington 3 Baltimore 4	Wei-Yin Chen (9–3)	Gio González (6–5)	Zach Britton (15)	30,417	BAL 2–1	BAL 28–21	BAL 1	The Orioles build a 4–0 lead and hang on for their eighth win in 10 games.^[88] González's 23-inning scoreless streak ends when Baltimore's Steve Pearce homers in the first inning, and Washington's 13-game errorless streak ends in the third inning on a wild Ian Desmond throw, but Nationals catcher Wilson Ramos extends his career-best hitting streak to 13 games.^[88]
50	August 4	Nationals Park Washington, D.C.	Baltimore 7 Washington 3	Kevin Gausman (6–3)	Tanner Roark (11–7)	—	42,181	BAL 3–1	BAL 29–21	BAL 2	With a sellout crowd looking on and both teams in first place, the Orioles and Nationals meet in August for the first time in a make-up game for the July 8 rainout.^[89] The Nationals give up a run for the first time in 23 innings when Baltimore's Caleb Joseph homers off Roark in the third.^[89] The Orioles fall behind 3–1 before taking the lead for good with a six-hit, three-run seventh inning.^[89] Baltimore's J. J. Hardy finishes with four hits and Joseph with three RBIs.^[89] Baltimore wins its third annual Beltway Series in a row.

2015 (Baltimore 4–2)

Game	Date	Location	Score	Win	Loss	Save	Attendance	Series lead	Overall lead	Streak	Notes
51	July 10	Oriole Park Baltimore, MD	Washington 2 Baltimore 3	Zach Britton (1–0)	Tanner Roark (4–4)	—	46,289	BAL 1–0	BAL 30–21	BAL 3	A sellout crowd – the largest of the season at Oriole Park – sees the Orioles come back from a 2–1 deficit in the eighth inning to beat the NL East-leading Nationals with a two-out, walk-off solo homer by Jonathan Schoop in the ninth inning.^[90]
52	July 11	Oriole Park Baltimore, MD	Washington 7 Baltimore 4	Jordan Zimmermann (8–5)	Miguel González (4–4)	Drew Storen (26)	44,495	Tied 1–1	BAL 30–22	WSH 1	Oriole Park sells out for a second straight day.^[91] The Nationals are behind 4–2 and have made 10 straight outs against Orioles starter González when Bryce Harper leads off the sixth inning with a solo home run, the first of his career against Baltimore in 12 games. Danny Espinosa follows with a three-run homer later in the inning, putting Washington ahead for good and dealing the Orioles their ninth loss in 12 games.^[91]
53	July 12	Oriole Park Baltimore, MD	Washington 3 Baltimore 2	Max Scherzer (10–7)	Wei-Yin Chen (4–5)	Drew Storen (27)	46,237	WSH 2–1	BAL 30–23	WSH 2	Before the third sellout crowd in a row at Oriole Park, Scherzer carries a three-hitter into the ninth inning, giving up two runs to the Orioles on two Manny Machado solo home runs, one in the first inning and one with two outs in the ninth after Scherzer strikes out the first two batters he faces in the inning.^[92] Scherzer leaves the game after Machado's second homer having given up four hits in 8+2⁄3 innings.^[92] The Nationals score all of their runs on three straight two-out hits in the fourth inning.^[92]
–	September 21	Nationals Park Washington, D.C.	Postponed (rain); rescheduled for September 24.								With Baltimore's Adam Jones - who missed only six games from 2012 to 2014 – suffering from back spasms, Orioles manager Buck Showalter scratches him from the line-up, but the postponement raises hopes that Jones will be able to play on September 22 without missing a start as a three-game series with playoff implications begins.^[93] Baltimore is 5+1⁄2 games out of an Al wild card berth, and Washington is six games out of first place in the NL East.^[93]
54	September 22	Nationals Park Washington, D.C.	Baltimore 4 Washington 1	Ubaldo Jiménez (12–9)	Gio González (11–8)	Darren O'Day (4)	27,338	Tied 2–2	BAL 31–23	BAL 1	The Orioles and Nationals meet in September for the first time. Jiménez struggles, but prevails for his 100th career win and hits an RBI single.^[94] Bryce Harper walks three times to set a new single-season Nationals record for walks at 118.^[94] Washington's loss decreases the NL East-leading New York Mets′ magic number to clinch the division to six.^[94]
55	September 23	Nationals Park Washington, D.C.	Baltimore 4 Washington 3	Chris Tillman (10–11)	Max Scherzer (12–12)	Darren O'Day (5)	27,991	BAL 3–2	BAL 32–23	BAL 2	Scherzer strikes out 12 Orioles to set a Nationals single-season strikeout record of 249, but gives up a decisive two-run go-ahead homer to Baltimore's Manny Machado in the seventh inning.^[95] In the ninth inning, Nationals closer Jonathan Papelbon hits Machado with a pitch, and Machado accuses him of throwing at Machado's head;^[95] both benches clear briefly,^[96] and Papelbon is ejected.^[95]^[96] Baltimore moves to within four games of an AL wild card berth,^[95] while the NL East-leading New York Mets′ magic number to clinch the division falls to five with Washington's loss.
56	September 24	Nationals Park Washington, D.C.	Baltimore 5 Washington 4	Mike Wright (3–5)	Blake Treinen (2–4)	Darren O'Day (6)	28,456	BAL 4–2	BAL 33–23	BAL 3	In the make-up game for the September 21 rainout, Matt Wieters puts the Orioles ahead for good with a two-run homer in the eighth inning as Baltimore wins for the 11th time in 15 games.^[97] The Orioles sweep the Nationals in a three-game series for the second time in the history of the Beltway Series overall, the first time since 2010, and the first time at Nationals Park. Baltimore continues its pursuit of an AL wild card berth,^[97] while Washington's third straight loss lowers the NL East-leading New York Mets′ magic number to clinch the division to four. Baltimore wins its fourth annual Beltway Series in a row.

2016 (Baltimore 3–1)

Game	Date	Location	Score	Win	Loss	Save	Attendance	Series lead	Overall lead	Streak	Notes
57	August 22	Oriole Park Baltimore, MD	Washington 3 Baltimore 4	Dylan Bundy (7–4)	A. J. Cole (0–1)	Zach Britton (38)	31,660	BAL 1–0	BAL 34–23	BAL 4	Baltimore's Mark Trumbo hits his MLB-leading 38th homer as the Orioles defeat the NL East-leading Nationals for the fourth time in a row and close to two games behind the AL East-leading Toronto Blue Jays and Boston Red Sox.^[98] Cole strikes out eight in his season debut.^[98]
58	August 23	Oriole Park Baltimore, MD	Washington 1 Baltimore 8	Kevin Gausman (5–10)	Reynaldo López (2–2)	Vance Worley (1)	26,697	BAL 2–0	BAL 35–23	BAL 5	Gausman pitches six shutout innings, scattering six hits and permitting only one runner past second base, Adam Jones goes 4-for-5, and Chris Davis hits his 30th home run of the season as the Orioles conclude a 3–5 homestand with a second straight win over Washington, their fifth straight defeat of the NL East-leading Nationals dating back to 2015.^[99] Trea Turner has a career-high four hits for the Nationals, who lose their third straight game.^[99]
59	August 24	Nationals Park Washington, D.C.	Baltimore 10 Washington 8	Wade Miley (8–10)	Tanner Roark (13–7)	—	39,100	BAL 3–0	BAL 36–23	BAL 6	Thanks in part to a 4-for-6, four-RBI night from Manny Machado that includes a two-run homer in the second inning and to a three-run homer by Matt Wieters in the eighth, the Orioles go into the bottom of the ninth inning with a 10–3 lead.^[100] They then stave off a five-hit, five-run Nationals rally highlighted by Daniel Murphy′s grand slam to come away with a victory, but not before the Nationals bring Baltimore closer Zach Britton′s 43-game streak without giving up an earned run to an end.^[100] During the game, Trea Turner goes 4-for-5 and ties the Montreal-Washington franchise record with hits in eight consecutive plate appearances before striking out in the ninth inning.^[100] The Nationals suffer their sixth loss in nine games but maintain a seven-game lead in the NL East,^[100] while the Orioles beat Washington for the sixth straight time dating back to 2015 and close to one game behind the AL East-leading Toronto Blue Jays and Boston Red Sox.^[100] Baltimore clinches its fifth annual Beltway Series win in a row.
60	August 25	Nationals Park Washington, D.C.	Baltimore 0 Washington 4	Max Scherzer (14–7)	Ubaldo Jiménez (5–11)	—	39,722	BAL 3–1	BAL 36–24	WSH 1	Scherzer retires the first nine – and 21 of the first 22 – batters he faces and strikes out 10 and walks none in eight innings of shutout ball.^[101] Washington's Bryce Harper steals his career-high 18th base of the season and doubles in two runs,^[101] and the Nationals snap a six-game losing streak against the Orioles dating back to 2015.

2017 (Tied 2–2)

Game	Date	Location	Score	Win	Loss	Save	Attendance	Series lead	Overall lead	Streak	Notes
61	May 8	Oriole Park Baltimore, MD	Washington 4 Baltimore 6	Kevin Gausman (2–3)	Gio González (3–1)	Brad Brach (8)	23,525	BAL 1–0	BAL 37–24	BAL 1	Washington never recovers after González gives up three home runs – a leadoff homer to Joey Rickard, a solo shot to Mark Trumbo, and a two-run homer to Trey Mancini – in the first inning, giving Baltimore a 4–0 lead.^[102] Gausman retires the first 10 batters and allows two runs and strikes out eight over seven innings, his longest outing of the season.^[102]
62	May 9	Oriole Park Baltimore, MD	Washington 4 Baltimore 5 (12)	Logan Verrett (2–0)	Jacob Turner (1–1)	—	26,348	BAL 2–0	BAL 38–24	BAL 2	A pitching duel between starters Max Scherzer – who strikes out 11 over eight innings and holds the Orioles hitless through 5+1⁄3 – for Washington and Ubaldo Jiménez for Baltimore lasts into the eighth inning, when Adam Lind′s pinch-hit three-run homer gives the Nationals a 4–1 lead.^[103] But Baltimore's Adam Jones hits a solo homer in the bottom of the eighth, and the Orioles score two runs in the bottom of the ninth to force extra innings and then win in the 12th on a Mark Trumbo RBI single.^[103] The Orioles complete a 5–0 homestand, win their sixth in a row, and have the best record in MLB at 22–10.^[103]
63	May 10	Nationals Park Washington, D.C.	Baltimore 6 Washington 7	Matt Albers (2–0)	Brad Brach (0–1)	—	32,984	BAL 2–1	BAL 38–25	WSH 1	The Nationals stage a three-run rally in the bottom of the ninth inning, with longtime former Oriole Matt Wieters driving in the walk-off run for Washington with a two-RBI single.^[104]
–	May 11	Nationals Park Washington, D.C.	Postponed (rain); rescheduled for June 8.								The Nationals postpone the game based on a faulty weather forecast of rain continuing until the late evening. The sun comes out as the Orioles's team bus departs Nationals Park for Baltimore.^[26]
64	June 8	Nationals Park Washington, D.C.	Baltimore 1 Washington 6	Joe Ross (3–2)	Alec Asher (2–4)	—	32,984	Tied 2–2	BAL 38–26	WSH 2	In pregame comments before the make-up game for the May 11 rainout, Orioles manager Buck Showalter sparks controversy by seeming to imply that the Nationals postponed the May 11 game unnecessarily to avoid an unfavorable pitching match-up and a stronger Baltimore batting order.^[26] The Nationals score four runs in the first inning and Washington starter Joe Ross strikes out 12, walks none, and gives up one run on four hits in 7+1⁄3 innings of work, carrying a two-hit shutout into the seventh inning and twice striking out the side.^[105] Nationals shortstop Trea Turner has three hits and a career-high three stolen bases.^[105] For the first time since 2011, Baltimore does not win the annual Beltway Series.

2018 (Washington 5–1)

Game	Date	Location	Score	Win	Loss	Save	Attendance	Series lead	Overall lead	Streak	Notes
65	May 28	Oriole Park Baltimore, MD	Washington 6 Baltimore 0	Gio González (6–2)	Alex Cobb (1–7)	—	36,139	WSH 1–0	BAL 38–27	WSH 3	González gets his first win against Baltimore since 2009, a stretch of nine starts for the Oakland Athletics and Nationals in which he had gone 0–6.^[106] He gives up six hits over 7+2⁄3 innings without allowing a runner past second base.^[106] Washington wins its fourth straight and 19th of its last 25 after opening the season 11–16,^[106] and stretches its winning streak against Baltimore to three. The last-place Orioles fall to 17–37 on the season.^[106]
66	May 29	Oriole Park Baltimore, MD	Washington 3 Baltimore 2	Jeremy Hellickson (2–0)	Dylan Bundy (3–7)	Sean Doolittle (12)	13,935	WSH 2–0	BAL 38–28	WSH 4	Washington's Bryce Harper hits his MLB-leading 17th homer and he and Nationals rookie Juan Soto each have three hits as the Nationals win their fifth straight and 20th of their last 26 after opening the season 11–16,^[107] and their winning streak against Baltimore grows to four, tying their previous record set in 2007. The victory also ties the Nationals′ record for consecutive road wins at nine.^[107] The Orioles lose their fourth in a row.^[107] The crowd is by far the smallest ever at a Beltway Series game, and the first to fall short of 20,000.
67	May 30	Oriole Park Baltimore, MD	Washington 2 Baltimore 0	Max Scherzer (9–1)	David Hess (2–2)	Sean Doolittle (13)	20,370	WSH 3–0	BAL 38–29	WSH 5	In eight innings of shutout ball, Scherzer strikes out 12, walks one and allows two hits, retiring 24 of the 27 batters he faces, allowing only one base runner in the first six innings, and finishing with a perfect eighth inning, while Hess gives up one run on four hits over six innings.^[108] Washington's Bryce Harper hits his 18th homer, tying him with Mike Trout of the Los Angeles Angels for the MLB lead,^[108] and the Nationals also score on an RBI single by rookie Juan Soto.^[108] The Nationals win their sixth straight and 21st of their last 27 after opening the season 11–16, have a five-game winning streak against Baltimore for the first time in Beltway Series history, sweep the Orioles in a three-game series for the second time overall and first time since 2007, and set a new Nationals record for consecutive road wins at 10.^[108] The Orioles lose their fifth in a row and fall to 17–39 on the season.^[108]
68	June 19	Nationals Park Washington, D.C.	Baltimore 7 Washington 9	Justin Miller (5–0)	Tanner Scott (0–1)	Sean Doolittle (19)	33,391	WSH 4–0	BAL 38–30	WSH 6	In his second MLB appearance and first MLB start,^[109] Nationals pitcher Jefry Rodríguez gives up five runs in five innings on four walks and four hits,^[110] including two-run homers to Jace Peterson and Trey Mancini,^[110] but Washington overcomes a 5-1 Orioles lead with a four-hit, two-walk, four-run fifth inning and a 6-5 Orioles lead with a six-hit, four-run seventh.^[109]^[110] The Nationals clinch their second Beltway Series season win and first since 2007 and extend their winning streak to six over Baltimore,^[110] while the Orioles suffer the 10th loss in their last 11 games and 16th in their last 19 games^[110] and fall to an MLB-worst 20-51 (.282) on the season.^[110] For Washington, Trea Turner goes 4-for-4^[110] and has a standout defensive performance, Anthony Rendon has three RBIs,^[110] and reliever Kelvin Herrera makes his Nationals debut.^[109]
69	June 20	Nationals Park Washington, D.C.	Baltimore 3 Washington 0	Miguel Castro (2–2)	Gio González (6–4)	—	32,153	WSH 4–1	BAL 39–30	BAL 1	Mark Trumbo hits a two-run homer for the Orioles in the second inning off González^[111] and Orioles starter Andrew Cashner and four relievers pitch a five-hit shutout^[111] as the Orioles break a six-game losing streak against Washington and win for only the fourth time in their last 20 games,^[111] improving their MLB-worst road record to 10–28.^[111] González's and Cashner's starts are cut short by a 2-hour 43-minute rain delay between the fourth and fifth innings.^[111] The Nationals′ only two hits after the delay come in the ninth inning.^[111]
70	June 21	Nationals Park Washington, D.C.	Baltimore 2 Washington 4	Kelvin Herrera (2–1)	Mychal Givens (0–4)	Sean Doolittle (20)	36,868	WSH 5–1	BAL 39–31	WSH 1	Mark Trumbo and Colby Rasmus, the latter on his first day back from the 60-day disabled list, hit solo homers off Nationals starter Max Scherzer, who strikes out nine and gives up five hits in seven innings, while Orioles starter Kevin Gausman gives up two runs on four hits over six innings, including an Anthony Rendon solo homer.^[112] Washington rookie Juan Soto doubles in two runs in the eighth inning to give the Nationals their first lead and the victory, clinching the three-game series at Nationals Park.^[112] Washington's Michael A. Taylor extends his career-best hitting streak to 12,^[113] and Herrera's win is his first as a National. The Orioles drop to an MLB-worst 21-52 (.288) on the season.^[112]

2019 (0–0)

Game	Date	Location	Score	Streak
71	July 16	Oriole Park Baltimore, MD	–	–
72	July 17	Oriole Park Baltimore, MD	–	–
73	August 27	Nationals Park Washington, D.C.	–	–
74	August 28	Nationals Park Washington, D.C.	–	–

References

External links

Brewing a Rivalry Washington Post
No Need to Read Between the Lines Washington Post
Dawn of a New Rivalry Sports Illustrated
The Next Great Baseball Rivalry Business Week
Beltway Battle Has Become Crowd Pleaser Washington Post

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[40] Anonymous, "Nats' Hernandez snaps seven-start winless streak," Associated Press, May 21, 2006.

[41] Anonymous, "Lopez dominates in O's narrow win vs. struggling Nats," Associated Press, June 23, 2006.

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[ap20080517-51] Anonymous, "Burres' strong outing, Markakis' homer lift Orioles to fourth straight win," Associated Press, May 17, 2008.

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[54] Anonymous, "Record crowd in Washington watches Nats pull away from O's," Associated Press, June 29, 2008.

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[ap20090522-56] Anonymous, "Baez's first MLB hit, 2 shutout innings lift O's past Nats in 12th," Associated Press, May 22, 2009.

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[58] Orioles vs. Nationals – Box Score – May 24,2009 – ESPN

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[ap20100625-66] Anonymous, "Season-high four errors doom Nationals vs. Orioles," Associated Press, June 26, 2010.

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[ap20120622-79] Anonymous, "Jason Hammel fans career-high 10 batters to stay hot," Associated Press, June 23, 2012.

[ap20120623-80] Anonymous, "Edwin Jackson handcuffs Orioles as Nats pick up victory," Associated Press, June 24, 2012.

[ap20120624-81] Anonymous, "O's ride Matt Wieters' 2-run homer, game-ending throwout to win," Associated Press, June 24, 2012.

[ap20130527-82] Anonymous, "Jason Hammel shuts down Nationals as Orioles win series opener," Associated Press, May 29, 2013.

[ap20130528-83] Anonymous, "Adam LaRoche hits 2 HRs, drives in 4 runs as Nats roll past O's," Associated Press, May 29, 2013.

[ap20130529-84] Anonymous, "O's overcome three home runs by Ryan Zimmerman, top Nats," Associated Press, May 30, 2013.

[ap20130530-85] Anonymous, "Freddy Garcia, Orioles get best of Dan Haren, Nationals," Associated Press, May 31, 2013.

[ap20140707-86] Anonymous, "Chris Davis homers in 11th to fuel Orioles' 6-run surge past Nationals," Associated Press, July 8, 2014.

[ap20140709-87] Anonymous, "Nationals hit 3 HRs in 6-2 win over Orioles," Associated Press, July 9, 2014.

[ap20140710-88] Anonymous, "Pearce HR helps Orioles squeeze past Nationals 4-3," Associated Press, July 10, 2014.

[ap20140804-89] Anonymous, "Orioles bats come alive late to rally past Nationals," Associated Press, August 4, 2014.

[90] Anonymous, "Schoop's 9th-inning HR carries Orioles past Nationals 3-2," Associated Press, July 10, 2015.

[ap20150711-91] Anonymous, "Harper, Espinosa HRs carry Nationals over Orioles 7-4," Associated Press, July 11, 2015.

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[castillo20180619-109] Castillo, Jorge, "Nationals get things in order against Orioles," washingtonpost.com, June 19, 2018, 10:48 p.m. EDT Retrieved June 20, 2018

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@@ Line 160: / Line 160: @@
 | '''Tie'''
 | '''3–3'''
-| 1-'''2'''; 2-'''3'''; 9-'''5'''
+| 1-'''2'''; 2-'''3'''; '''9'''-5
 | '''5'''-1; 3-'''8'''; 1-'''3'''
 | First meeting of Nationals and Orioles<br>First meeting of the franchises since an [[Montreal Expos|Expos]]-Orioles interleague series in 2001<br>First meeting of Baltimore and Washington MLB teams since [[1971 Major League Baseball season|1971]]