2015 in baseball
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- 1 Champions
- 2 Awards And Honors
- 3 Upcoming events
- 4 Events
- 5 Deaths
- 6 References
- 7 External links
Major League Baseball
Main article: 2015 Major League Baseball season
- Minor League Baseball
- National Teams
- International club team competitions
- Domestic leagues
Awards And Honors
Major League Baseball
- Baseball Hall of Fame honors
Main article: Baseball Hall of Fame balloting, 2015
- June 1–7 : Closed Period before 2015 First-Year Player Draft.
- June 8–10 : MLB Draft.
- July 2 : International free agent signing period begins.
- July 14 : 86th MLB All-Star Game at Great American Ball Park in Cincinnati, Ohio, home of the Cincinnati Reds.
- July 17 : Deadline (5 p.m. ET) to sign players selected in 2015 First-year Player Draft.
- July 31 : Last day to trade a player without securing waivers.
- August 1 : New waiver period begins (through August 30). Trade waivers required.
- August 31 : Waiver trade deadline. Outright waivers secured on or after August 1 expire (midnight ET). Postseason eligibility lists established (midnight ET). To be eligible, a player must be a bona fide member of a qualifying team and remain a bona fide member through end of the applicable postseason series.
- September 1 : Active rosters expand from 25 to 40 players.
- October 4 : End of the regular season.
- October 6 : Postseason begins.
- October 27 : 111th World Series begins.
- Immediately after World Series : Eligible players become free agents.
- Fifth day after end of World Series : Deadline for clubs to make qualifying offers to their eligible former players who became free agents.
- Sixth day after end of World Series : First day free agents may sign contracts with a club other than their former club.
- 12th day after end of World Series : Last date for Article XX (B) free agents to accept a qualifying offer from a former club (midnight ET).
- November 20 (tentative) : Day to file reserve lists for all Major and Minor League levels.
- December 2 : Last date for clubs to offer 2016 contracts to unsigned players (midnight ET).
- December 7–10 : Winter Meetings at Nashville, Tennessee.
- December 10 : Rule 5 Draft
- January 6 - For the first time since 1955, the BBWAA inducts four players into the Hall of Fame. Randy Johnson, Pedro Martínez and John Smoltz, all in their first year on the ballot, receive 97.3, 91.1 and 82.9 percent of the ballots, respectively. Craig Biggio, in his third year on the ballot, receives 82.7 percent of the votes after falling two votes short of induction in 2014. Four players had been inducted in the 1955 voting; those players were Joe DiMaggio, Ted Lyons, Dazzy Vance and Gabby Hartnett. It is also the first time that three pitchers are inducted in the same year, as well as the second consecutive year that three players in their first year on the ballot are inducted; Greg Maddux, Tom Glavine and Frank Thomas had been inducted in 2014.
- January 20 - Max Scherzer signs a $210 million, seven-year contract with the Washington Nationals. In his five seasons with the Detroit Tigers, Scherzer had posted an 82-35 record, including a 21-3 record in 2013, during which he won the American League's Cy Young Award. The contract is the second-largest for a pitcher, after Clayton Kershaw's $215 million, seven-year deal, which runs from 2014-2020. The previous highest contract for a right-handed pitcher was the $180 million, seven-year deal from 2013–19, signed by Scherzer's ex-Tiger teammate, Justin Verlander.
- February 8 :
- The Perth Heat defeated the Adelaide Bite, 12–5, in the third and final game of the Australian Baseball League championship series to capture the Claxton Shield for the second straight season and the fourth time in five seasons.
- The Pinar del Río club from Cuba defeated the Tomateros de Culiacán from Mexico in the finals of the 2015 Caribbean Series. It was Cuba's first Caribbean Series win since 1960.
- March 13 - The Boston Red Sox officially announced the signing of 19-year-old Cuban prospect Yoan Moncada. The Red Sox reached an agreement for a signing bonus of $31.5 million, the largest ever for a Minor League contract. Because Boston had already exceeded its bonus pool for the 2014-15 international signing period, the team will pay a full 100 percent tax on Moncada’s bonus, bringing the total cost for his services to $63MM. On top of that, the Red Sox will now be restricted from signing any international amateur for more than $300K in the 2015-16 and the 2016-17 international signing periods. Moncada will likely start this season playing second base for Class A Greenville Drive.
- April 5 - In the very first night opener played at Wrigley Field, the St. Louis Cardinals defeat the Chicago Cubs 3–0. Jason Heyward collects three hits in his Cardinal debut, and Matt Holliday drives in two of the three Cardinal runs, and Adam Wainwright throws six innings of five-hit ball. The game is the first at the newly innovated Wrigley, which features a giant video board in left field and images of Ernie Banks, who had died in January, covering the bleachers.
- April 8 - At Dodger Stadium, in the Los Angeles Dodgers' third game of the season, Adrian Gonzalez hits three home runs off San Diego Padres pitcher Andrew Cashner, leading the Dodgers to a 7–4 victory over San Diego. With a home run in both of the previous two games, Gonzalez becomes the first player in Major League history to hit five home runs in the first three games of the season. Gonzalez also becomes the third Dodger to hit a home run in each of his team's first three games, joining Carl Furillo and Jimmy Wynn, who did it in 1955 and 1974 respectively, as well as the first National League Player to begin a season with three 3-hit games since Orlando Cepeda in 1963.
- April 10 - At Yankee Stadium, the Boston Red Sox defeat the New York Yankees 6-5 in a 19-inning, 6 hour, 49 minute marathon, but not without squandering three one-run leads to extend the game. With the Yankees trailing 3-2 with two out in the ninth, Chase Headley sends the game into extra innings with a solo home run. David Ortiz homers in the top of the 16th to give the Red Sox the lead again, but Mark Teixeira, turning 35 years old as the clock strikes midnight, homers in the bottom half of the inning. In the 18th inning, the Red Sox take the lead again as Pablo Sandoval singles in Dustin Pedroia, only for the Yankees to again tie the game as Carlos Beltrán doubles home John Ryan Murphy. The Red Sox take the lead for a fourth time as Xander Bogaerts scored on a Mookie Betts fly ball, then turn a double play on a Garrett Jones ground ball to end the game at 2:13 AM. The game, which also features a 12th-inning power outage that delays the game for 16 minutes, is the longest by time in Red Sox history, and the second-longest for the Yankees, who defeated the Detroit Tigers in 22 innings in a June 24, 1962 game that lasted an even 7 hours, as well as the longest in the Yankees-Red Sox rivalry since the Yankees defeated the Red Sox in the second game of an August 29, 1967 doubleheader, the game lasting 20 innings.
- April 12 - At Anaheim Stadium, Angels first baseman Albert Pujols hit his career-high 522nd home run off Kansas City Royals pitcher Yordano Ventura, breaking a tie with Ted Williams, Willie McCovey and Frank Thomas for 18th place on the MLB career list. But the blast was not a factor in the decision, as the Royals prevailed by a score of 9–2 and swept the Angels while advancing to the ALCS first place for the first time since 1985. Pujols is now 12 home runs shy of tying Jimmie Foxx 17th place on baseball's all-time home run list with 534.
- April 13 :
- Boston Red Sox young leadoff hitter and center fielder Mookie Betts thrilled his teammates and the capacity crowd at the home opener in Fenway Park and started the Red Sox toward a 9–4 win over the Washington Nationals. Betts walked and added a pair of stolen bases on one play in the second half of the first inning, swiping second base and continuing on to third when no one was able to cover due to an infield shift, and promptly scored the go-ahead run on a single by David Ortiz. Then, Betts belted a three-run home run in the second inning and drove in other run in the third on a well-placed infield single. Additionally, Betts robbed Bryce Harper of a home run in the first, leaping against the right-centerfield wall to save two runs. The 22-year-old Betts smashed his second homer of the season off Jordan Zimmermann. His first blast came off Philadelphia Phillies' Cole Hamels in the Opening Day at Citizens Bank Park.
- Stephen Drew hit a pinch-hit grand slam off Baltimore Orioles pitcher Tommy Hunter in the seventh inning to propel the New Yankees to a 6–5 victory at Camden Yard. With his effort, Drew joined Don Baylor, Johnny Damon and Babe Ruth as the only players to hit a grand slam for both the Yankees and the Red Sox.
- April 17 - Mike Trout collected his first multi home run-game of the season, a two-run homer in the sixth inning and a three-run shot in the eighth, that saw him carry the Anaheim Angels to a 6–3 victory over the Houston Astros at Minute Maid Park. At 23 years, 253 days of age, Trout became the youngest player ever to record 100 home runs and 100 stolen bases in Major League history.
- April 22 - Boston Red Sox designated hitter David Ortiz continued his climb through the game's record book ranks in the 7–5 defeat to the Tampa Bay Rays at Tropicana Field. Ortiz delivered a fifth-inning solo home run off pitcher Nathan Karns, which moved past Joe DiMaggio into 46th place on the MLB Career RBI List with 1,538, and also broke a tie with Chipper Jones for 32nd place on the homer list with his 469th shot.
- April 23 - The New York Mets tied a franchise season record of eleven straight wins, and for the first time in its 54-year history won ten straight homestand games, becoming the seventh Major League team since 1900 to win at least 10 straight homestand games.
- April 28 - For the second consecutive day, the scheduled game between the Baltimore Orioles and the Chicago White Sox at Camden Yards was postponed, the Baltimore club announced. The series opener between the two teams was postponed a day before after protests in the area around Camden Yards turned violent. The teams will play the third game of the series tomorrow in front of an empty stadium because the game will be closed to the public. The Orioles said they consulted with Major League Baseball and local and state officials about the best way to move forward in the midst of violent protests following the death of Freddie Gray, a 25-year-old man who suffered a spinal injury while in police custody earlier this month. Baltimore was declared to be in a state of emergency and the National Guard was summoned to help restore peace. As a result, the Orioles will also play their three-game series against the Tampa Bay Rays, scheduled for May 1–3, at Tropicana Field, while serving as the home team. Additionally, the postponed games between the Orioles and the White Sox will be made up as part of a single-admission doubleheader on May 28 at Camden Yard, beginning at 4:05 p.m.
- April 29 - Chris Davis hit a three-run homer in a six-run first inning and the Baltimore Orioles beat the Chicago White Sox, 8–2, in a fan less stadium. The gates at Camden Yards were locked because of concern for fan safety following recent rioting in Baltimore. As a result, the game was played before members of the media sit in the press box and 45,968 empty forest green seats. This was the first game held behind closed doors in the 145-year history of the Major Leagues.
- May 1 :
- Major League Baseball emailed all 30 teams to announce that, effective following this year’s draft, players selected in the amateur draft will be permitted to be traded beginning the day after the conclusion of the World Series. The change is a revamp of the previous iteration, which had prohibited clubs from trading players for one year after being drafted. With the new deadline in effect, things should be much easier for teams and players going forward.
- At Fenway Park, Alex Rodríguez of the New York Yankees hits his 660th career home run to tie Willie Mays for fourth place on the all-time home run list. Pinch-hitting for Garrett Jones in the eighth inning, Rodríguez lined a 3-0 pitch by Junichi Tazawa over Fenway's Green Monster to break a 2–2 tie and give the Yankees a 3–2 victory over the Boston Red Sox.
- May 3 :
- The surprising Houston Astros won their 10th straight game, boosting the best record in the American League by beating the Seattle Mariners, 7–6, at Minute Maid Park. At 18–7, Houston set a team record for its best mark through the first 25 games. The Astros are coming off a 70–92 season, which followed three straight years of at least 106 losses. Not only do the Astros have the best 25–game start in franchise history, they tied for the fourth-best start in Major League Baseball history, being surpassed only by the 19–6 record shared by the 1899 St. Louis Perfectos, the 1978 Oakland Athletics, and the 1993 Philadelphia Phillies.
- Hours after defeating the Chicago Cubs 5–3 at Wrigley Field, the 7–18 Milwaukee Brewers fire Ron Roenicke as their manager. In four-plus seasons as Brewer manager, Roenicke had posted a 342–331 record, including guiding the Brewers to a National League Central title in 2011 —Roenicke's first season as a Major League manager— with a franchise-best 96–66 record.
- May 4 - Milwaukee Brewers general manager Doug Melvin announced that Craig Counsell is the new manager of the team, less than 24 hours after dismissing Ron Roenicke. A Milwaukee area native, Counsell spent six seasons of his 16-year Major League playing for the Brewers. Besides, Counsell scored the winning run for the Florida Marlins in the 11th inning of Game 7 of the 1997 World Series and was named MVP of the 2001 NLCS as a member of the eventual 2001 World Champions Arizona Diamondbacks. He had been Melvin's special assistant since 2012 and was among the candidates last offseason to succeed Joe Maddon as Tampa Bay Rays' manager.
- May 5 :
- At Citi Field, Bartolo Colón of the New York Mets defeated the Baltimore Orioles, 3–2, to become the first pitcher to defeat the same opponent while pitching for seven different teams. He did strike out nine and walked none in 7⅔ innings, having been pulled after having a shutout broken up by a Manny Machado home run. Colón had also defeated the Orioles while playing with the Cleveland Indians, Chicago White Sox, Los Angeles Angels of Anaheim, Boston Red Sox, New York Yankees and Oakland Athletics.
- Carlos Pérez hit a walk-off home run at Angel Stadium in his first Major League game, as the Anaheim Angels snapped their four-game skid with a 5–4 victory over the Seattle Mariners. The 24-year-old rookie catcher from Venezuela, who also singled in his first Major League at-bat, became only the fourth player to belt a game-ending home run in his big-league debut since 1900, joining countryman Miguel Cabrera (2003), Josh Bard (2002) and Billy Parker (1972). The Angels acquired Pérez from the Houston Astros in the offseason and promoted him while he was batting .361 for the Triple-A Salt Lake Bees.
- May 6 - At Nationals Park, Bryce Harper hits three home runs in the Washington Nationals' 7–5 victory over the Miami Marlins. The home runs, all off Tom Koehler, come in his first three trips to the plate: a solo shot in the second inning, with a runner on base in the third, and the fifth with the bases empty in the fifth. Harper becomes the fourth player in Nationals history to hit three homers in one game, joining Alfonso Soriano, Adam Dunn and Ryan Zimmerman in 2006, 2010 and 2013, respectively.
- May 7:
- The Boston Red Sox announced that Juan Nieves was relieved of his duties as pitching coach, after presiding over a struggling pitching rotation that posted a 5.54 ERA through 28 starting appearances, the worst mark in the 15-team American League. Besides, the Sox starters have failed to complete the fifth inning in seven of 28 games and have combined to throw only 154⅓ innings, the sixth-lowest total in the league. Additionally, the Red Sox sported a colective 4.86 ERA, the highest of all Major League teams but the Colorado Rockies (5.38). Nieves joined the Red Sox prior to the 2013 season, and he helped lead the resurgence of starters Jon Lester (15-8), Clay Buchholz (11-1) and Félix Doubront (11-6) en route to the 2013 World Series championship. Overall, the staff posted a 3.79 ERA in 2013, the lowest mark for the club since 2002 (3.75 ERA), and also set a single-season franchise record with 1,294 strikeouts.
- At Yankee Stadium, Alex Rodriguez of the New York Yankees overtakes Willie Mays for the sole possession of fourth place on the all-time home run list. In the third inning of the Yankees' 4–3 victory over the Baltimore Orioles, Rodriguez hits a Chris Tillman changeup for his 661st career home run. Rodriguez had nearly homered in the first inning, but was robbed by right fielder Delmon Young, who made a leaping catch in front of the stands.
- Top New York Mets prospect Noah Syndergaard pitched eight strong innings and fell a triple shy of hitting for the cycle, as Triple-A Las Vegas 51s won its 14th straight game in an 8–2 victory over the host Albuquerque Isotopes. In five games, Syndergaard improved to a 3-0 record with a 1.82 ERA and 34 strikeouts in 29⅔ innings for Las Vegas. He is slated to make his Major League debut with the Mets quite as far as early the next week.
- May 8 - Bryce Harper slugged two more home runs and drove in five runs, as the Washington Nationals beat the visiting Atlanta Braves, 9–3. Harper again used the long ball multiple times a game after hitting three home runs with five RBI against the Florida Marlins. According to the Elias Sports Bureau, Harper became the first player in Nationals/Expos franchise history to hit five home runs in two games. The last player to do it in the Major Leagues was Josh Reddick of the Oakland Athletics, who accomplished the feat on August 9–10, 2013. At age 22, Harper, is also the youngest player to hit five homers within two games. The previous mark was set by Mark McGwire at age 23.
- May 9 – Bryce Harper continued his torrid home run pace with a dramatic two-run, walk-off shot in the ninth inning to send the surging Washington Nationals to an 8–6 victory over the Atlanta Braves. Harper's home run was his sixth in three games, and the third walk-off of his career, while the Nationals collected their ninth victory in 11 games and improved to a 16–15 record to break the .500 mark for first time in this season.
- May 10 - This was the 10th year that Major League Baseball partnered with Louisville Slugger to produce the special pink bats, which usually are auctioned off to raise money for breast cancer charities. Additionally, players also shows their support by wearing the symbolic pink ribbon, as well as pink wrist bands, bracelets, cleats and necklaces. As a result, the annual Mother's Day pink celebration around the MLB ballparks brought about memorable moments for baseball fanatics and ballplayers, particularly for some pitchers.
- The 41-year old Bartolo Colón held the Philadelphia Phillies to a pair of runs, before giving up a pair of hits to lead off the seventh inning and end his day in the New York Mets 7–4 wictory at Citizens Bank Park. As he has done all season, Colón gave his team enough effort to win, becoming the first pitcher to reach six wins in 2015. Colón also extended his club record of games without issuing a walk to six straight and 40⅓ innings, as he has walked only one batter in 46⅓ innings of work. Colón, whose mother Adriana died last August, was the only starting pitcher not wearing cleats with pink laces or highlights in honor of Mother's Day. Nevertheless, he let his performance to do the tribute to his mom.
- At Safeco Field, Félix Hernández of the Seattle Mariners recorded his 2,000th career strikeout after striking out Sam Fuld in the fifth inning of a 4–3 victory over the Oakland Athletics. Only Walter Johnson, Sam McDowell and Bert Blyleven, who were all 28 when they struck out 2,000, reached the milestone at a younger age than Hernández at 29 years, 32 days old. Hernāndez improved to 6–0 and tied with Bartolo Colón for the most wins in the season, while his eight strikeouts on May 4 against the Angeles Angels pushed him past the 1,988 strikeouts of Johan Santana to give him the most by a Venezuelan-born pitcher. Hernández was also the fourth-youngest to reach 1,000 strikeouts when he accomplished the feat on August 25, 2010.
- New York Yankees pitcher Michael Pineda had the most notable achievement of his career, dominating the visiting Baltimore Orioles over seven innings with a career-high 16 strikeouts. Pineda struck out the side in the second and fifth innings, and recorded at least two strikeouts in every inning he pitched. He was removed of the game after throwing 81 of his 111 pitches for strikes. The 6–2 Yankees victory over the Orioles equaled the most by a Yankees right-hander, and were two shy of tying the club record set in 1978 by the lefty Ron Guidry. The 16 strikeouts also matched the most any Major League pitcher has had in a seven-inning outing.
- Texas Rangers pitcher Wandy Rodríguez set a club record by retiring 34 straight hitters over two games. The record came against the visiting Tampa Bay Rays as Rodriguez retired the first 15 hitters he faced. The Rangers prevailed, beating the Rays 2–1, even though Rodríguez did not have a decision. The streak started on May 5 when Rodríguez retired the last 19 batters he faced in a 7–1 Rangers victory over the Houston Astros. Rodríguez was credited with the win in that game. The previous record was held by Kenny Rogers, who retired 28 in a row in 1994, including his perfect game against the California Angels.
- May 13 - At Progressive Field, Corey Kluber of the Cleveland Indians ties Bob Feller's 77-year franchise record by striking out 18 St. Louis Cardinals in the Indians' 2-0 victory, his first win of the season in eight starts. The reigning American League Cy Young Award winner, Kluber, 0-5 entering this game, also has a no-hitter broken up with two out in the seventh on a Jhonny Peralta single. This will be the only hit Kluber allows in eight innings; he is relieved by Cody Allen, who records his fifth save of the season. Feller had struck out 18 Detroit Tigers on October 2, 1938 in the first game of a doubleheader; however, the Tigers defeated the Indians 4-1.
- May 15 :
- Adrián Beltré of the Texas Rangers hit his 400th career home run in the first inning of the Rangers' 8–3 loss to the visiting Cleveland Indians. The 36-year-old Beltre broke a three-way tie with Miguel Cabrera, Andrés Galarraga and Al Kaline at 399 homers, as he became the 52nd big leaguer to hit 400. In his 18th season, Beltré ranks fourth among active players behind Alex Rodríguez (663), Albert Pujols (526) and David Ortiz (470).
- Houston Astros prospect Jon Singleton continued his powerful display at the plate with his third grand slam in five games, and the Triple-A Fresno Grizzlies rolled to a 8–3 victory against the Albuquerque Isotopes at Isotopes Park. Two days before, Singleton capped a four-hit game with a slam, a two-run homer, and a franchise record of 10 RBI in the Fresno 17–6 win against the Isotopes. In his five-game stint, Singleton is batting .381 (8-for-21) with five home runs and 23 RBI, while leading all of Minor League Baseball with 12 home runs and 40 RBI. Eight of his 12 home runs have come in his last 11 games, and he is 5-for-7 with three homers and 17 RBI with the bases loaded overall in 2015.
- May 16 - Miguel Cabrera of the Detroit Tigers hit his 400th career home run, a solo shot off St. Louis Cardinals pitcher Trevor Lyons in the first inning, as the Tigers went on to beat the Cardinals, 4–3, in 10 innings at Busch Stadium. Cabrera moved to 53rd place for most career home runs in MLB history. Cabrera, who passed Tigers legend Al Kaline, became the second player to join the club in as many days. Texas Rangers third baseman Adrian Beltre hit his 400th on May 15. The home run also moved Cabrera past Andrés Galarraga on the home run list, making him the all-time home run leader among MLB players born in Venezuela.
- May 17 :
- Atlanta Braves pitcher Shelby Miller held a no-hitter through 8⅔ innings until Miami Marlins first baseman Justin Bour broke up the no-hit bid with a sharp single up the middle. Dee Gordon followed with an infield single before Miller retired Martín Prado on a pop-up for the final out, as he notched a 6–0 shutout over the Marlins at Marlins Park. Miller, who struck out four, improved to 5-1 this season with a 1.33 ERA in eight starts. It was the third time in his career that he started and pitched the first five innings of a game without a hit. As well, Miller allowed a hit with two outs in the sixth inning in each of his two previous outings. The no-hitter would have been the Braves' first since Kent Mercker on April 8, 1994.
- The Miami Marlins announced that manager Mike Redmond was relieved of his duties. Bench coach Rob Leary also was dismissed. The announcement came after the Marlins were nearly no-hit in a 6-0 loss to the Atlanta Braves that completed a three-game sweep at Marlins Stadium. Redmond's replacement will be announced soon, the Marlins said. At this point, the Marlins have lost nine of their past 13 games and are fourth in the National League East with a 16-22 record. Marlins owner Jeffrey Loria, notorious for not being extremely patient with managers, fired Jeff Torborg after an identical record of 16-22 in 2003. His replacement Jack McKeon then led a turnaround that resulted in an improbable run to the 2003 World Series title. Along with the early-season firing of Torborg, Loria dismissed Fredi González in June 2010, and fired Joe Girardi and Ozzie Guillén after one season each. Redmond posted a 62-100 record in his first year as a Major League manager with the Marlins in 2013, as the club improved to 77-85 in 2014, ending a streak of three consecutive last-place finishes in the NL East. Their 15-win improvement tied for the best in the NL by a 100-loss team since 1986. On the final day of last season, Redmond's contract was extended two years through 2017, while Guillén is in the final year of his four-year contract, which means the team will be paying three different managers in this season.
- May 18 - The Miami Marlins officially announced that general manager Dan Jennings will succeed Mike Redmond as the team’s new manager for the remainder of the season. In other internal decision, Mike Goff was removed from advanced scouting position and will be the club’s new bench coach, while VP/assistant GM Mike Berger will assume Jennings’ former front office roles. Jennings has no dugout experience, but he is a respected baseball mind throughout the industry. The Marlins are currently still paying Jennings’ GM predecessor, Larry Beinfest, and they will also pay Redmond through the 2017 season and pay former manager Ozzie Guillén through the end of the current season. As a result, the move from GM to manager for Jennings will prevent the team from taking on a financial commitment to a third manager, though it is not directly clear how large a role that factor played in the decision. Owner Jeffrey Loria was not present for the press conference.
- May 19 - Ryan Zimmerman smashed a two-run, game-ending home run with two outs in the 10th inning, lifting the Washington Nationals to an 8–6 comeback victory over the New York Yankees at Nationals Park. Zimmerman hit his shot off Yankees closer Andrew Miller, who had not allowed a run in 18⅓ innings this season. Zimmerman's 10th career walk-off homer tied him with Barry Bonds, Albert Pujols and Mike Schmidt for 3rd on all-time list, which is topped by Stan Musial with 12 and Tony Pérez with 11. Additionally, 5.3% (10 of 189) of his career home runs have been walk-offs, the highest percent of HRs via walk-off among 819 players in MLB history with at least 100 career HRs, according to the Elias Sports Bureau.
- January 1 – Mario Cuomo, 82, American politician, who previously played as a center fielder for the Pittsburgh's affiliate Brunswick Pirates in 1952, until being badly injured by a pitch in the back of the head which forced him to quit baseball.
- January 4 – Stu Miller, 87, two-time All-Star pitcher who spent 16 years in the majors with the St. Louis Cardinals, Philadelphia Phillies, New York/San Francisco Giants, Baltimore Orioles and Atlanta Braves, leading the National League in ERA in 1958, while gathering the most saves in the NL in 1961 and the American League in 1963 and earning a World Series ring with Baltimore in 1966. Committed a famous balk in the first game of the 1961 All-Star game.
- January 4 – Hank Peters, 90, long time Baltimore Orioles general manager and the architect of the Orioles’ 1983 championship team, the last time Baltimore won the World Series.
- January 7 – Herb Simpson, 94, first baseman/outfielder and the last known living member of the Seattle Steelheads of the Negro Baseball League, who also became the first black player to integrate two different Minor League circuits, starring for the Spokane Indians (INTL) and the Albuquerque Dukes (TNML).
- January 9 – Chuck Locke, 82, pitcher on the 1955 Baltimore Orioles.
- January 10 – Renae Youngberg, 81, infielder who played for four clubs of the All-American Girls Professional Baseball League between 1949 and 1953, including the Grand Rapids Chicks squad that won the league's title in 1953.
- January 12 – Carl Long, 79, Negro League outfielder and one of the first players who broke the color barrier in the Minor Leagues.
- January 22 – Don Bryant, 73, catcher for the Chicago Cubs and the Houston Astros in part of three seasons spanning 1966–1970, who caught Don Wilson's second career no-hitter in 1969 and later coached for the Boston Red Sox from 1974 to 1976, serving on the 1975 American League Champion Red Sox.
- January 23 – Ernie Banks, 83, Hall-of-Famer who played with the Chicago Cubs from 1953-1971, first African-American in Chicago Cub history, 14-time All-Star, National League Most Valuable Player in 1958 and 1959, member of the 500-home run club; his number 14 was the first to be retired by the Cubs.
- January 23 – Nick Koback, 79, catcher who played with the Pittsburgh Pirates from 1953-1955.
- January 25 – Bill Monbouquette, 78, four-time All-Star pitcher who spent 11 seasons spanning 1958–1968 with the Boston Red Sox, Detroit Tigers, New York Yankees and San Francisco Giants, winning a career-high 114 games, including a no-hitter in 1962.
- January 27 – Rocky Bridges, 87, All-Star third baseman and middle infielder whose 11-year major league career for seven teams from 1951 through 1961 was bookended by seasons with the Brooklyn Dodgers and the expansion Los Angeles Angels, who later won more than 1,300 games as a minor league manager in 21 seasons between 1964 and 1989.
- January 27 – Al Severinsen, 70, who posted a 3-7 record with nine saves and a 3.08 ERA in 88 relief appearances for the Baltimore Orioles and San Diego Padres in three seasons from 1969–1972, also a member of the Baltimore team who lost the 1969 World Series to the New York Mets in five games.
- January 27 – Charlie Williams, 67, relief pitcher and spot starter for the New York Mets and San Francisco Giants from 1971 through 1978, who is best known for being the player the Mets sent to the Giants in exchange for future Hall of Famer Willie Mays.
- February 2 – Dave Bergman, 61, first baseman, designated hitter and outfielder for the New York Yankees, Houston Astros, San Francisco Giants and Detroit Tigers over a 17-year career between 1975 and 1992, being also a member of the Tigers' World Series championship team in 1984.
- February 10 – Don Johnson, 88, pitcher whose career spanned seven years with the New York Yankees, Chicago White Sox, Washington Senators, Baltimore Orioles and San Francisco Giants, pitching also for the Toronto Maple Leafs of the International League, where he led the circuit with a 2.67 ERA and 156 strikeouts in 1953, and in 1957 was named the league's Most Valuable Player.
- February 11 – Ray Hathaway, 98, pitcher for the 1945 Brooklyn Dodgers, who also managed more than 3,000 minor league games from 1947 to 1973, finishing with 1,638 wins and five MiLB Championships.
- February 12 – Alison Gordon, 72, Canadian journalist and novelist, who became Major League Baseball's first full-time female sportswriter while covering the Toronto Blue Jays for the Toronto Star from 1979 to 1984.
- February 15 – Wendell Kim, 64, minor league player and manager as well as the first Korean-American to wear a major league uniform, who coached at first and third base for the San Francisco Giants and was the third base coach for the Boston Red Sox from 1997 through 2000.
- February 19 – Gary Woods, 60, backup outfielder for the Oakland Athletics, Toronto Blue Jays, Houston Astros and Chicago Cubs during eight seasons spanning 1976–1985.
- February 23 – Jim King, 82, outfielder who spent 18 years in baseball, ten of them in the Major Leagues with the Chicago Cubs, St. Louis Cardinals, San Francisco Giants, Washington Senators, Chicago White Sox and Cleveland Indians, batting .240 with 117 home runs and 401 RBI in 1,125 games.
- February 28 – Alex Johnson, 72, All-Star outfielder who had stints with eight teams in 13 seasons from 1964–1976, winning the 1970 American League batting title by one of the closest margins in history, edging Carl Yastrzemski .3289 to .3286 with a pair of hits on the final day of the season.
- March 1 – Jeff McKnight, 52, utility man who played from 1989 through 1994 with the New York Mets and Baltimore Orioles, while playing in all positions except center field and pitcher.
- March 1 – Minnie Miñoso, 89, Cuban American left fielder nicknamed "Mr. White Sox"; a nine-time All-Star and three-time Gold Glove Award winner, while posting four top-five American League MVP finishes, who became the first black MLB player to join a Chicago team and has been considered one of the greats in Chicago White Sox history.
- March 4 – Steve Shea, 72, relief pitcher who played for the 1968 Houston Astros and with the expansion Montreal Expos in 1969.
- March 5 – John R. Keennan, 74, who spent 37 years scouting for the Los Angeles Dodgers and was instrumental in the signing of Don Sutton, Davey Lopes, Bill Russell, Mickey Hatcher, Rick Sutcliffe and Mitch Webster, among many others.
- March 12 – Bob Anderson, 79, a reliable workhorse pitcher who played for the Chicago Cubs from 1957 through 1962 and the Detroit Tigers in 1963, ending with a seven-year career record of 36-46 and a 4.39 ERA in 246 appearances as starter or reliever.
- March 13 – Al Rosen, 91, four-time All-Star third baseman who played his entire 10-season career with the Cleveland Indians from 1947 through 1956; a member on the Indians' 1948 title team, the last Cleveland squad to win the World Series, who led the American League in home runs and RBI twice and was also voted unanimously the AL Most Valuable Player in 1953, becoming the first player since Hank Greenberg in 1935 to receive all first-place MVP votes, while batting .336 with 43 home runs and 145 RBI and nearly winning the Triple Crown, being beaten out in for the batting title by Washington Senators' Mickey Vernon, who hit .337.
- March 20 – Daniel Donahue, 91, Atlanta Braves owner and president from 1973 until 1975.
- March 20 – Harley Hisner, 88, pitcher who played briefly for the Boston Red Sox at the end of the 1951 season.
- March 23 – Nick Peters, 75, Hall of Fame journalist and baseball writer who covered all of the San Francisco Giants home openers from 1958 through 2008 and authored five books on the team.
- March 25 – Bill Slayback, 67, pitcher for the Detroit Tigers from 1972 to 1974, who is best known for co-writing with Tigers legendary broadcaster Ernie Harwell and performing the song Move Over Babe (Here Comes Henry), a tribute to Hank Aaron's chase of the 39-year-old Major League record set by Babe Ruth.
- March 28 – Chuck Brayton, 89, College Baseball Hall of Fame head coach who had 1,162 career wins with the Washington State Cougars in 33 seasons from 1962 to 1994, while leading Cougar teams won 21 conference titles, including 11 in a row from 1970 to 1980, and guiding them to the College World Series titles in 1965 and 1976.
- March 28 – Dick Mills, 70, pitcher who played briefly for the Boston Red Sox in 1970.
- March 28 – Víctor Sánchez, 20, one of the Seattle Mariners' top pitching prospects, who died from head injuries sustained in a boating accident in his Venezuela homeland six weeks before.
- March 31 – Riccardo Ingram, 48, outfielder for the Detroit Tigers and Minnesota Twins from 1994 to 1995, who also spent more than 20 years in the Minor Leagues with stints as a player, manager and coach.
- April 5 – Lon Simmons, 91, Baseball Hall of Fame broadcaster whose career spanned five decades calling San Francisco Giants and Oakland Athletics games, as well as for the NFL's San Francisco 49ers.
- April 7 – José Capellán, 34, Dominican Republic reliever who pitched from 2004 through 2008 with the Atlanta Braves, Milwaukee Brewers, Detroit Tigers and Colorado Rockies.
- April 10 – Bobby Moore, 58, pitcher who played for the San Francisco Giants during the 1985 season.
- April 16 – Ollie Brown, 71, strong-armed right fielder in a 13-season career which included stints for six clubs, especially the San Diego Padres, who tabbed him with the first pick in the 1968 MLB expansion draft conducted to stock up the rosters of four expansion teams.
- April 25 - Jim Fanning, 87, catcher, manager and executive who served for the Montreal Expos for almost 25 years, including as their first-ever general manager in 1968 and field manager in 1981, when he guided the Expos to their only postseason berth in the franchise's history.
- April 26 – Bill Valentine, 82, who at the age of 18 became the youngest professional umpire in professional baseball history and later umpired in the American League from 1963 through 1968, including the 1965 MLB All-Star Game; also known as the first umpire to eject Mickey Mantle for arguing a called third strike in September 1954, and for working behind the plate when 59-year-old legend Satchel Paige pitched his final game in September 1965 as well as when Boston Red Sox outfielder Tony Conigliaro suffered a near-fatal beaning in August 1967.
- May 11 – Kay Heim, 97, Canadian female catcher and one of the original 60 founding members of the All-American Girls Professional League in its 1943 inaugural season, who later earned recognitions in several Hall of Fames through the rest of her life.
- May 14 – Earl Averill, Jr., 83, catcher for the Cleveland Indians, Chicago Cubs, Chicago White Sox, Los Angeles Angels and Philadelphia Phillies in a span of seven seasons from 1956–1963, who in 1962 tied a Major League record by reaching base in 17 consecutive at-bats, a feat shared with Piggy Ward, who set that mark in the 1893 season.
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- MLB.com: The Official Site of Major League Baseball
- Baseball Almanac – Major League Baseball Players Who Died in 2015
- BaseballHall.org: 2015 Potential Hall of Fame Eligibles