1984 in baseball
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- 1 Champions
- 2 Awards and honors
- 3 MLB statistical leaders
- 4 Major league baseball final standings
- 5 Events
- 6 Movies
- 7 Births
- 8 Deaths
- 9 References
Major League Baseball
|League Championship Series ABC||World Series NBC|
|West||Kansas City Royals||0|
|NL||San Diego Padres||1|
|West||San Diego Padres||3|
- American League Championship Series MVP: Kirk Gibson
- National League Championship Series MVP: Steve Garvey
- All-Star Game, July 10 at Candlestick Park: National League, 3-1; Gary Carter, MVP
- Amateur World Series: Cuba
- Caribbean World Series: Águilas del Zulia (Venezuela)
- College World Series: Cal State-Fullerton
- Japan Series: Hiroshima Toyo Carp over Hankyu Braves (4-3)
- Korean Series: Lotte Giants over Samsung Lions
- Big League World Series: Taipei, Taiwan
- Junior League World Series: Pearl City, Hawaii
- Little League World Series: Seoul National, Seoul, South Korea
- Senior League World Series: Altamonte Springs, Florida
- Summer Olympic Games at Los Angeles (demonstration sport): Japan (1st), United States (2nd), Chinese Taipei (3rd)
Awards and honors
- Baseball Hall of Fame
- Most Valuable Player
- Cy Young Award
- Rookie of the Year
- Manager of the Year Award
- Woman Executive of the Year (major or minor league): Mildred Boyenga, Waterloo Indians, Midwest League
- Gold Glove Award
MLB statistical leaders
|American League||National League|
|AVG||Don Mattingly NYY||.343||Tony Gwynn SDP||.351|
|HR||Tony Armas BOS||43||Dale Murphy ATL
Mike Schmidt PHI
|RBI||Tony Armas BOS||123||Gary Carter MON
Mike Schmidt PHI
|Wins||Mike Boddicker BAL||20||Joaquín Andújar STL||20|
|ERA||Mike Boddicker BAL||2.79||Alejandro Peña LAD||2.48|
Major league baseball final standings
- January 10 – Luis Aparicio, Don Drysdale and Harmon Killebrew are elected to the Hall of Fame by the Baseball Writers' Association of America.
- January 20 – Believing that it is unnecessary to protect a 39-year-old pitcher, the New York Mets leave Tom Seaver unprotected, and he is chosen by the Chicago White Sox from the Mets as a free agent compensation pick.
- March 8 – Shortstop Pee Wee Reese and catcher Rick Ferrell are elected to the Hall of Fame by the Special Veterans Committee. Reese hit .269 in 16 seasons with the Dodgers in Brooklyn and Los Angeles, while Ferrell batted .281 with 28 home runs in 18 seasons for the Browns, Red Sox and Senators.
- April 7 :
- Jack Morris of the Detroit Tigers no-hits the Chicago White Sox 4-0 at Comiskey Park, in a game televised on NBC. The no-hitter is the first no-hitter by a Tiger since Jim Bunning in 1958 and also ties Ken Forsch's in 1979 as the earliest, calendar-wise, that a no-hitter is pitched.
- The New York Mets' Dwight Gooden strikes out five in five innings to earn his first major league win, 3-2 over the Houston Astros.
- April 13 – Twenty-one years to the day that he collects his first Major League hit, Pete Rose collects the 4,000th hit of his career; he is only the second player (after Ty Cobb) to ever do so.
- April 22 – For the second day in a row, the Philadelphia Phillies put up twelve runs against the New York Mets, assuming first place in the National League East.
- April 27 – After nineteen innings, two Glenn Abbott errors followed by a Kirk Gibson error in right field lead to four unearned runs for the Cleveland Indians, who beat Detroit 8-4 at Tiger Stadium.
- April 29 – Jerry Koosman steps on the mound at Shea Stadium for the first time in his career against the New York Mets. The Mets beat Koosman and the Philadelphia Phillies, 6-2.
- May 4 – Dave Kingman of the Oakland Athletics pops a ball up that never comes down. Playing the Minnesota Twins at the Metrodome, Kingman's pop fly goes through the roof of the stadium.
- May 8 – Hall of Famer Kirby Puckett makes his major league debut, going 4 for 5 as his Minnesota Twins shut out California, Puckett will collect 2300 more hits before retiring prematurely in 1996 due to vision problems in his left eye.
- May 8 – May 9 – The Chicago White Sox and Milwaukee Brewers face off in a game that started on the 8th, the game is suspended after a 3-3 tie and seventeen innings. When the game is resumed the next day, both teams manage to score three runs in the 21st inning, and is only ended when Harold Baines slams a home run in the bottom of the 25th inning to end the 8 hour, six minute marathon; the longest game, by time, in Major League history. Tom Seaver, the last pitcher available for the White Sox, earns the win, and then goes on to start the regularly scheduled game that day, earning a second win on one day for a starting pitcher.
- May 9 – After Mets pitching allows 31 runs in the previous three games, Ron Darling, Doug Sisk and Jesse Orosco combine to hold the Atlanta Braves to just one run at Shea Stadium.
- May 11 – Dwight Gooden out duels Fernando Valenzuela as the New York Mets defeat the Los Angeles Dodgers 2-0 at Dodger Stadium. Valenzuela strikes out eight in eight innings, while Gooden strikes out eleven in a complete game.
- May 12 – In defeating the St. Louis Cardinals 2-1 at Riverfront Stadium, Mario Soto of the Cincinnati Reds has a no-hitter broken up with two out in the ninth as George Hendrick's solo home run ties the game at 1-1. It is the only hit Soto allows. The Reds win the game for Soto in the bottom of the ninth, as Brad Gulden singles in Dave Concepción, the winning run.
- May 16 - Mike Schmidt hit his 400th home run and Len Matuszek drove in four runs to lead The Philadelphia Phillies to a 12-1 win over The Los Angeles Dodgers. Schmidt became the 20th player to hit 400 home runs as Jerry Koosman the winning pitcher beat the Dodgers for the first time Since 1975 when Koosman was pitching for the New York Mets.
- May 24 – The Detroit Tigers' Jack Morris pitches a four hit complete game victory against the California Angels to improve his record to 9-1, and the team's record to 35-5, the best 40-game start in major league history.
- May 27 – As the Cincinnati Reds played the Chicago Cubs at Wrigley Field, Cubs third baseman Ron Cey hit a long foul ball down the left field line, but third base umpire Steve Rippley incorrectly ruled it a home run. Reds pitcher Mario Soto shoves Rippley during an argument over the call. After conferring, the umpires change their decision and rule it a foul ball. However, for shoving Rippley, Soto is ejected, prompting him to charge the field and attack Cubs third base coach Don Zimmer, which triggers a ten-minute bench-clearing brawl. The Reds win the game, completing a three-game sweep of the Cubs. Four days later, National League president Chub Feeney suspends Soto five games for the incident.
- June 9 – A 12–2 victory over the Cincinnati Reds coupled with an Atlanta Braves loss give the San Diego Padres their first division lead in the National League West since May 28. The Padres do not relinquish their division lead for the remainder of the season.
- June 13 – Rick Sutcliffe, George Frazier and Ron Hassey are traded by the Cleveland Indians to the Chicago Cubs, in exchange for Joe Carter, Mel Hall, Don Schulze and Darryl Banks. Sutcliffe becomes the ace of the Cubs' staff, making 20 starts and winning 16 of 17 decisions with a 2.69 ERA.
- June 16 – Leading off the fifth inning, Cincinnati Reds pitcher Mario Soto throws several brushback pitches at Atlanta Braves slugger Claudell Washington, who had homered in his last at-bat. Washington tosses his bat in the direction of Soto, and tries to go out to retrieve it, but instead walks toward the mound. The chief umpire and Reds infielder Lenny Harris attempts to restrain Washington, but he is thrown to the ground. Soto uses the distraction to punch Washington. Several of Washington's teammates attempt to hold Washington to the ground. While they are doing that, Soto fires the baseball into the crowd of players, striking Braves coach Joe Pignatano. Soto is suspended three games for this incident while Washington receives a five-game suspension for shoving Harris.
- June 19 – In his first start since being acquired from the Cleveland Indians, Rick Sutcliffe pitches into the ninth inning against the Pittsburgh Pirates at Three Rivers Stadium without allowing a run. Sutcliffe is lifted in the ninth after giving up one earned run and is charged with two more unearned runs after Lee Smith replaces him on the mound. Even though, the Cubs hold on for the 4–3 victory.
- June 23 – At Wrigley Field, the Chicago Cubs and rival St. Louis Cardinals locked up in what would be a tight game. In the bottom of the ninth inning, trailing 9–8, Cubs second baseman Ryne Sandberg hit a solo-home run off reliever Bruce Sutter. The Cardinals regained the lead in the tenth inning, 11–9, but Sandberg hit another home run against Sutter in the bottom of the frame, this time with one runner on base and two outs. In a lost cause, St. Louis outfielder Willie McGee would hit for the cycle, as the Cubs went on to win the game 12–11 in the following inning and eventually won the National League East title. Sandberg earned the MVP Award this season, with this game as a key contribution.
- July 4 – Phil Niekro of the New York Yankees records his 3,000th career strikeout. He is the second to do so on the Fourth of July, after Nolan Ryan in 1980.
- July 10 – At Candlestick Park, on the 50th anniversary of Carl Hubbell's legendary five consecutive strikeouts in the 1934 All-Star Game, National League pitchers Fernando Valenzuela and Dwight Gooden combine to fan six batters in a row for a new All-Star Game record in the NL's 3–1 triumph over the American League. After Valenzuela whiffs Dave Winfield, Reggie Jackson and George Brett in the 4th inning, Gooden, the youngest All-Star ever at age 19, fans Lance Parrish, Chet Lemon and Alvin Davis in the 5th inning. Gary Carter is named the Game MVP.
- July 21 – The New York Yankees retire Roger Maris' number 9 and Elston Howard's number 32.
- July 26 – Pete Rose of the Montreal Expos tied Ty Cobb on the career singles list, No. 3,052, with a base hit in the eighth inning in a 5-4 victory over the Pittsburgh Pirates.
- August 1 – A 5-4 victory over the Philadelphia Phillies and a Mets loss to the St. Louis Cardinals pull the Chicago Cubs into first place in the National League East for the first time since July 6. They remain atop their division for the remainder of the season.
- August 9 – Tom Seaver only lasts 3.2 innings and gives up six earned runs in his first career start against the New York Yankees. Seaver is credited with the loss, as the Yankees beat the Chicago White Sox 7-6.
- August 12 – Atlanta-Fulton County Stadium sees a series of beanings, attempted beanings, and two bench clearing fist fights, the second of which sees fans spill out onto the field. Nineteen Atlanta Braves and San Diego Padres are ejected. Dick Williams, manager of the Padres, is fined $10,000 and suspended ten days, while Braves manager Joe Torre is suspended for three games.
- August 16 – It is announced that the Cincinnati Reds trade Tom Lawless to the Montréal Expos. Pete Rose returns to the Reds; he is also named player-manager.
- August 29 – Keith Hernandez hits a walk-off double to complete the New York Mets' three game sweep of the Los Angeles Dodgers.
- September 7 – In a crucial battle for first place in the National League East, Dwight Gooden strikes out eleven Chicago Cubs batters and allows only one hit (a lead-off single by Keith Moreland in the fifth inning) in the Mets' 10-0 victory at Shea.
- September 14 – Seattle Mariners rookie Mark Langston pitches a 2–1, five-hit victory against the Kansas City Royals, to becomes the first pitcher in Mariners history to win 15 games in a regular season.
- September 15 – San Diego Padres outfielder Tony Gwynn collects his 200th hit of the season in a 3–2 loss to the Houston Astros.
- September 17 :
- Reggie Jackson becomes the 13th player in Major League Baseball history to record 500 home runs. Jackson achieved his feat against Kansas City Royals pitcher Bud Black, as his 500th homer comes exactly 17 years after he gets his first career hit.
- Rookie pitcher Dwight Gooden of the New York Mets strikes out 16 Philadelphia Phillies in a 2-1 loss at Philadelphia. After fanning 16 Pittsburgh Pirates five days earlier, Gooden ties a major league record with 32 strikeouts in two consecutive games.
- September 18 – The Detroit Tigers clinch the American League Eastern Division, becoming the fourth team in history to hold first place from day one of the season (joining the 1923 New York Giants, the 1927 New York Yankees, and 1955 Brooklyn Dodgers).
- September 19 – Pete Rose collects his 100th hit of the season, becoming the first player in Major League history to collect that many hits in 22 consecutive seasons. It happens to be his 725th career double, which establishes a new National League record.
- September 20 – Tim Lollar's three-run home run caps a 5-4 come-from-behind win for the San Diego Padres over the San Francisco Giants, clinching the very first division title for the Padres.
- September 23 – A 4-1 win over the New York Yankees gives the Detroit Tigers 100 wins for the season, and gives Tigers' manager Sparky Anderson the honor of being the first manager in history to guide teams to 100-win seasons in both leagues.
- September 24 – On the fifteenth anniversary of the Chicago Cubs being eliminated from the 1969 pennant chase, the Cubs' Rick Sutcliffe pitches a 4-1 two-hit complete game over the Pittsburgh Pirates in Three Rivers Stadium to clinch the National League Eastern Division title for the Cubs; the first post-season appearance for the team since 1945.
- September 25 – At Shea Stadium, 40-year-old Rusty Staub of the New York Mets hits a walk-off home run off Larry Andersen to defeat the Philadelphia Phillies 6-4. Staub, who had hit 6 home runs as a 19-year-old with the Houston Colt .45s in 1963, becomes the second player, after Ty Cobb, to hit home runs before his 20th birthday and after his 40th birthday.
- September 28 – In addition to saving 29 games this season, Minnesota Twins closer Ron Davis blows his 14th save today to tie a season record. The mark was set in 1976 by future Hall-of-Famer Rollie Fingers, and subsequently tied by Bruce Sutter (1978) and Bob Stanley (1983).
- September 30 – Mike Witt of the California Angels holds on for a 1-0 win over the Texas Rangers, the 11th perfect game since 1901.
- September 30 – In the New York Yankees' final game of the season, the American League batting race is decided when Don Mattingly goes 4 for 5 to raise his average to .343, while teammate Dave Winfield finishes with a .340 average. The two teammates battle for the league lead in batting average for most of the year.
- October 3 – Johnny Grubb delivers a two run double in the eleventh inning to lift the Detroit Tigers to a 5–3 victory over the Kansas City Royals in game two of the 1984 American League Championship Series.
- October 5 – The Detroit Tigers' Milt Wilcox and the Kansas City Royals' Charlie Leibrandt engage in a pitchers' duel in the third game of the American League Championship Series. A Marty Castillo ground out in the second inning that scores Chet Lemon is the deciding factor, as the Tigers win 1–0 to sweep the ALCS, 3–0.
- October 6 – Steve Garvey hits a walk off, two-run home run off Lee Smith in game four of the 1984 National League Championship Series to even it at two games apiece. For the evening, Garvey has five RBIs in the San Diego Padres' 7–5 victory over the Chicago Cubs.
- October 7 – A crucial error by Chicago Cubs first baseman Leon Durham leads to a four run seventh inning for the San Diego Padres, who beat the Cubs, 6–3, in the final game of the 1984 National League Championship Series. Steve Garvey, who bats .400 with a home run and seven RBIs is named series MVP.
- October 14 – Kirk Gibson blasts two upper-deck home runs at Tiger Stadium in Game Five of the 1984 World Series, to lead the Detroit Tigers to an 8–4 victory over the San Diego Padres and its first World Championship since 1968. Alan Trammel is selected the Series MVP.
- November 6 – Willie Hernández wins the American League MVP Award, joining Rollie Fingers as the only relief pitchers in Major League Baseball history to be named MVP and Cy Young Award winners in the same season. Boston Red Sox slugger Tony Armas finishes seventh, despite winning the home run (43) and RBI (123) titles. The last player to lead in those categories and not win is Ted Williams, twice, in the 1942 and 1947 seasons.
- November 20 – Four days after his 20th birthday, New York Mets pitcher Dwight Gooden becomes the youngest player ever to win the National League Rookie of the Year Award. Gooden posts a 17-9 record with a 2.60 ERA and a major league-leading 276 strikeouts.
- November 22 – Seattle Mariners first baseman Alvin Davis easily wins the American League Rookie of the Year Award over teammate pitcher Mark Langston and Minnesota Twins outfielder Kirby Puckett.
- November 27 – The American League Gold Glove team is announced, and is made up of the same nine players as the 1983 team: Ron Guidry (P), Lance Parrish (C), Eddie Murray (1B), Lou Whitaker (2B), Buddy Bell (3B), Alan Trammell (SS), Dwight Evans (OF), Dave Winfield (OF) and Dwayne Murphy (OF).
- December 12 – The Montreal Expos trade future Hall of Fame catcher Gary Carter to the New York Mets for shortstop Hubie Brooks, catcher Mike Fitzgerald, outfielder Herm Winningham and pitching prospect Floyd Youmans.
- January 3 – Neil Wagner
- January 4 – John Raynor
- January 6 – Jimmy Barthmaier
- January 7 – Carlos Corporán
- January 7 – Jon Lester
- January 8 – Jeff Francoeur
- January 8 – Kevin Whelan
- January 9 – Dustin Richardson
- January 10 – Hunter Jones
- January 12 – Scott Olsen
- January 14 – Erick Aybar
- January 14 – Mike Pelfrey
- January 16 – Matt Maloney
- January 18 – Justin Thomas
- January 21 – Robert Ray
- January 22 – Ubaldo Jiménez
- January 24 – Scott Kazmir
- January 25 – Tyler Graham
- January 30 – Jeremy Hermida
- January 31 – Josh Johnson
- February 2 – Chin-Lung Hu
- February 4 – Doug Fister
- February 9 – Dioner Navarro
- February 10 – Luis Cruz
- February 10 – Alex Gordon
- February 11 – J. R. Towles
- February 13 – Matt Buschmann
- February 13 – Brett Hayes
- February 15 – Mitchell Boggs
- February 15 – Nate Schierholtz
- February 18 – Brian Bogusevic
- February 20 – Brian McCann
- February 27 – Jumbo Díaz
- February 27 – Scott Mathieson
- February 27 – Aníbal Sánchez
- February 27 – Denard Span
- March 2 – Will Little
- March 8 – Yoshihisa Hirano
- March 9 – Elliot Johnson
- March 9 – Craig Stammen
- March 10 – Aaron Bates
- March 11 – Frank Mata
- March 12 – José Arredondo
- March 12 – Frankie de la Cruz
- March 14 – Randor Bierd
- March 16 – Harvey García
- March 19 – Matt Downs
- March 21 – Warner Madrigal
- March 22 – Joe Smith
- March 23 – Jon Link
- March 29 – Kila Ka'aihue
- April 3 – Kyle Phillips
- April 8 – Diory Hernández
- April 9 – Adam Loewen
- April 11 – Andrés Blanco
- April 11 – Alejandro De Aza
- April 14 – Christopher Leroux
- April 17 – Jed Lowrie
- April 18 – Marcos Mateo
- April 19 – Ambiorix Burgos
- April 19 – Jesús Delgado
- April 21 – Zach Kroenke
- April 23 – Dave Davidson
- April 25 – Robert Andino
- April 26 – Shawn Kelley
- April 26 – Brian Omogrosso
- April 27 – Luis Perdomo
- April 28 – Pedro López
- April 28 – Rómulo Sánchez
- April 29 – Cesar Carrillo
- April 29 – Billy Petrick
- May 4 – Sam LeCure
- May 4 – Kevin Slowey
- May 5 – Luis Valdez
- May 7 – James Loney
- May 8 – Adam Moore
- May 9 – Prince Fielder
- May 9 – Chase Headley
- May 10 – Kam Mickolio
- May 10 – Edward Mujica
- May 12 – Chris Robinson
- May 14 – Luke Gregerson
- May 15 – Everett Teaford
- May 16 – Jensen Lewis
- May 16 – Brandon Mann
- May 16 – Rafael Martin
- May 18 – David Patton
- May 18 – Joakim Soria
- May 24 – Héctor Ambriz
- May 25 – Graham Taylor
- May 27 – Miguel González
- May 30 – Frank Herrmann
- May 31 – Andrew Bailey
- June 1 – Wilkin Castillo
- June 5 – Robinson Chirinos
- June 6 – Emiliano Fruto
- June 7 – Justin Berg
- June 9 – Yuli Gurriel
- June 10 – Travis Chick
- June 12 – Roger Bernadina
- June 12 – Kyle McClellan
- June 14 – Jesús Guzmán
- June 15 – Tim Lincecum
- June 15 – Cliff Pennington
- June 16 – Jonathan Broxton
- June 18 – Fernando Rodriguez
- June 20 – Cole Gillespie
- June 21 – Gabe Morales
- June 22 – Cesar Ramos
- June 26 – Elijah Dukes
- June 26 – Luis Hernández
- June 28 – Clay Zavada
- June 29 – Hernán Iribarren
- July 1 – Rich Thompson
- July 2 – Wladimir Balentien
- July 7 – Alfredo Fígaro
- July 8 – Kevin Russo
- July 11 – Yorman Bazardo
- July 11 – Jon Meloan
- July 15 – Anthony Claggett
- July 15 – Brandon Gomes
- July 18 – Allen Craig
- July 18 - Michael Collins
- July 20 – Alexi Casilla
- July 20 – Danny Dorn
- July 26 – Kevin Jepsen
- July 26 – Brandon Morrow
- July 27 – Max Scherzer
- July 27 – Tsuyoshi Nishioka
- July 29 – Chad Billingsley
- July 29 – Mark Hamilton
- July 31 – Fernando Hernández
- August 1 – Brandon Kintzler
- August 2 – Luke Hughes
- August 2 – Konrad Schmidt
- August 3 – Germán Durán
- August 3 – Sergio Escalona
- August 3 – Matt Joyce
- August 5 – Sean Kazmar
- August 6 – Osiris Matos
- August 7 – Wade LeBlanc
- August 9 – Graham Godfrey
- August 10 – Jeff Marquez
- August 11 – Melky Cabrera
- August 13 – Boone Logan
- August 14 – Nevin Ashley
- August 14 – Clay Buchholz
- August 15 – Tyson Brummett
- August 15 – Jarrod Dyson
- August 15 – Chris Pettit
- August 19 – Marcos Carvajal
- August 20 – Jamie Hoffmann
- August 21 – Dustin Molleken
- August 21 – Melvin Upton Jr.
- August 22 – David Huff
- August 26 – Kyle Kendrick
- August 28 – Will Harris
- August 30 – Steven Wright
- September 2 – Dusty Ryan
- September 4 – Jason Donald
- September 7 – Mauro Gómez
- September 8 – Rob Delaney
- September 8 – Bobby Parnell
- September 9 – Brett Pill
- September 10 – Andrew Brown
- September 13 – Jesse English
- September 14 – Robert Mosebach
- September 14 – Josh Outman
- September 18 – Donald Veal
- September 19 – Danny Valencia
- September 21 – Joaquin Arias
- September 21 – Carlos Rosa
- September 23 – Matt Kemp
- September 24 – Scott Carroll
- September 24 – Rafael Rodríguez
- September 25 – Michael Crotta
- September 25 – Víctor Gárate
- September 27 – John Lannan
- September 28 – Thad Weber
- September 28 – Ryan Zimmerman
- October 1 – Matt Cain
- October 1 – Chris Johnson
- October 3 – Lance Barrett
- October 2 – Oswaldo Navarro
- October 2 – Matt Reynolds
- October 4 – Drew Stubbs
- October 10 – Troy Tulowitzki
- October 11 – Max Ramírez
- October 13 – Steven Lerud
- October 13 – Hayden Penn
- October 14 – Kris Johnson
- October 19 – James McDonald
- October 19 – Travis Schlichting
- October 19 – Josh Tomlin
- October 21 – Danny Herrera
- October 21 – José Lobatón
- October 24 – Lucas May
- October 26 – Jesús Flores
- October 29 – José Mijares
- October 30 – Shane Robinson
- October 31 – Anthony Varvaro
- November 1 – Stephen Vogt
- November 2 – Tommy Layne
- November 3 – Brandon Dickson
- November 3 – Jonathan Herrera
- November 6 – Ricky Romero
- November 6 – Atahualpa Severino
- November 9 – Joel Zumaya
- November 10 – Kazuhisa Makita
- November 12 – César Jiménez
- November 13 – Tony Abreu
- November 20 – Jo-Jo Reyes
- November 21 – Quintin Berry
- November 22 – Yusmeiro Petit
- November 23 – Robert Coello
- November 23 – Justin Turner
- November 23 – Casper Wells
- November 24 – Joel Guzmán
- December 3 – Tobi Stoner
- December 4 - Takayuki Kishi
- December 5 – Josh Lueke
- December 7 – Mike Baxter
- December 10 – Gregorio Petit
- December 11 – Josh Butler
- December 14 – Chris Heisey
- December 15 – Cole Garner
- December 15 – James Houser
- December 17 – Stuart Pomeranz
- December 18 – Josh Rodriguez
- December 19 – Ian Kennedy
- December 20 – Brian Abraham
- December 21 – Eddie Gamboa
- December 23 – Josh Satin
- December 26 – Darin Downs
- December 26 – Brett Sinkbeil
- December 28 – Barret Browning
- January 1 – Hazel Measner, 58, Canadian pitcher who played in the All-American Girls Professional Baseball League in its 1946 season.
- January 18 – Leo Kiely, 54, pitcher for the Boston Red Sox in the 1950s, who in 1957 set two PCL records with 20 wins in relief, 14 of them in consecutive games, and also became the first major leaguer to play in Japanese Baseball, for the Mainichi Orions, in 1953.
- February 10 – Johanna Hageman, 65, one of the sixty original members of the All-American Girls Professional Baseball League in 1943.
- February 26 – Joe Kuhel, 77, first baseman for the Washington Senators and Chicago White Sox known for strong defense, batted .300 three times.
- March 18 – Charley Lau, 50, renowned hitting instructor, with the White Sox since 1982, who earned fame as the Kansas City Royals batting coach (1971–78) where his star pupil was George Brett.
- March 20 – Stan Coveleski, 94, Hall of Fame pitcher who had five 20-win seasons with the Indians and Senators, and led Cleveland to the 1920 World Series championship with three victories over the Brooklyn Dodgers; spitballer led AL in ERA twice and strikeouts once.
- April 5 – Chet Kehn, 62, pitcher for the 1942 Brooklyn Dodgers, and one of many players who only appeared in the majors during World War II.
- April 6 – Glenn Wright, 83, shortstop for the Pirates, Dodgers and White Sox.
- April 10 – Karl Spooner, 52, pitcher for the Brooklyn Dodgers who never threw a pitch in the major leagues after allowing 5 runs while recording just one out during his start in Game 6 of the 1955 World Series.
- June 17 – Jim Hegan, 63, 5-time All-Star catcher for the Indians known for outstanding defense; later a Yankees coach and scout.
- July 9 – Charlie Uhlir, 71, outfielder for Chicago White Sox in 1934.
- July 24 – Jake Dunn, 74, Negro league baseball player from 1930 to 1940.
- July 31 – Beans Reardon, 86, National League umpire from 1926 to 1949 who worked in five World Series; known for his colorful arguments and continued use of the outside chest protector.
- August 14 – Lynn McGlothen, 34, All-Star pitcher who had his best years with the St. Louis Cardinals and Chicago Cubs.
- August 16 – Tommie Aaron, 45, first baseman and left fielder who played for the Braves in Milwaukee and Atlanta; Braves coach since 1978, and younger brother of Hank Aaron.
- August 23 – Charlie Robertson, 88, pitcher who spent most of his career with the Chicago White Sox; pitched a perfect game in 1923 against the Tigers in his fourth major league start; last survivor of the 1919 White Sox team.
- August 25 – Waite Hoyt, 84, Hall of Fame pitcher whose 237 victories included 20-win seasons for the Yankees in 1927-28; won six World Series games, giving up only two unearned runs in three complete games in the 1921 Series, and was a Reds broadcaster from 1942–1965.
- August 31 – Audrey Wagner, 56, All-Star outfielder in the AAGPBL who won three home run titles, a batting crown, and the 1948 Player of the Year Award.
- September 7 – Joe Cronin, 77, Hall of Fame shortstop and manager, and AL president from 1959 to 1973, who batted .301 lifetime and had eight 100-RBI seasons; managed Senators to 1933 pennant at age 26, won 1946 flag with Boston, and was Red Sox president from 1948–1959.
- October 1 – Walter Alston, 72, Hall of Fame manager who guided Dodgers teams to seven National League pennants and four World Series championships between 1954 and 1976; 2040 wins ranked behind only John McGraw in NL history upon retirement.
- October 1 – Billy Goodman, 58, All-Star infielder for the Red Sox and White Sox who won the 1950 AL batting title.
- October 13 – Ed Carroll, 77, pitcher for the 1929 Boston Red Sox.
- October 13 – George Kelly, 89, Hall of Fame first baseman who batted over .300 six straight years with the New York Giants from 1921–26; led NL in RBI twice and home runs once, later a coach and scout.
- October 15 – Red Cox, 89, pitched three games for the 1920 Detroit Tigers.
- October 19 – Del Lundgren, 85, pitched from 1924 through 1927 for the Pittsburgh Pirates and Boston Red Sox.
- October 21 – Johnny Rigney, 69, one of the Chicago White Sox top pitchers in the years prior to World War II; later the club's general manager.
- October 22 – Babe Pinelli, 89, National League umpire from 1935 to 1956, previously a Reds third baseman; he worked in six World Series, last calling balls and strikes on Don Larsen's perfect game in 1956.
- October 26 – Gus Mancuso, 78, All-Star catcher who played on five pennant winners with the Cardinals and Giants.
- November 25 – Ival Goodman, 76, All-Star right fielder for the Cincinnati Reds who led NL in triples twice.
- November 30 – Chris Pelekoudas, 66, NL umpire from 1960 to 1975 who worked in two World Series and two NLCS.
- December 7 – Howie Reed, 47, pitcher for five teams from 1958 to 1971 including the 1965 World Series Champion Los Angeles Dodgers.
- December 16 – Debs Garms, 77, outfielder and third baseman who won the 1940 NL batting title with the Pittsburgh Pirates.
- December 20 – Gonzalo Márquez, 38, Venezuelan first baseman who batted .625 in the 1972 postseason as an Oakland Athletics rookie.
- December 20 – Steve Slayton, 82, pitcher who played for the 1928 Boston Red Sox.
- "Detroit Tigers 4, Chicago White Sox 0". Baseball-Reference.com. 1984-04-07.
- "Cleveland Indians 8, Detroit Tigers 4". Baseball-Reference.com. 1984-04-27.
- "New York Mets 6, Philadelphia Phillies 2". Baseball-Reference.com. 1984-04-27.
- "Detroit Tigers 5, California Angels 1". Baseball-Reference.com. 1984-05-24.
- "Cincinnati Reds 2, Atlanta Braves 1". Baseball-Reference.com. 1984-06-16.
- "New York Yankees 7, Chicago White Sox 6". Baseball-Reference.com. 1984-08-09.
- "Detroit Tigers 3, Milwaukee Brewers 0". Baseball-Reference.com. 1984-09-18.
- "Detroit Tigers 4, New York Yankees 1". Baseball-Reference.com. 1984-09-23.