The following is a list of single-game baseball records and unusual events. The following criteria are used for inclusion:
- Only events occurring within a single plate appearance, inning, or game are included; cumulative or aggregate records achieved over more than one game are not listed.
- Events occurring during post-season play are included, but events occurring during an All-Star Game are not included, nor are events for which the record in question is limited to post-season play.
Individual batting/hitting
- Home runs from both sides of the plate in the same inning. Number of occurrences: 3. Carlos Baerga, April 8, 1993; Mark Bellhorn, August 29, 2002; Kendrys Morales, July 30, 2012.
- Grand slam in MLB debut game. Number of occurrences: 7. Bill Duggleby, April 21, 1898; Bobby Bonds, June 25, 1968; Chase Utley, April 24, 2003; Jeremy Hermida, August 31, 2005; Kevin Kouzmanoff, September 2, 2006; Daniel Nava, June 12, 2010; Brandon Crawford, May 27, 2011.
- 19 total bases in a game. Number of occurrences: 2. Shawn Green, May 23, 2002 (4 home runs, a double and a single); Nick Kurtz, July 25, 2025 (4 home runs, a double and a single).
- 9 hits in a game. Number of occurrences: 1. Johnny Burnett, July 10, 1932. (18 inning game)
- 7 hits in a nine-inning game. Number of occurrences: 2. Wilbert Robinson, June 10, 1892; Rennie Stennett, September 16, 1975.
- Three hits in an inning. Number of occurrences: 5. George Strief, June 25, 1885; Bill Joyce, May 18, 1897.
- 7 times on base in a game without a hit. Number of occurrences: 1. Bryce Harper, May 8, 2016. (13 innings; 6 walks, 1 HBP).
- 4 Intentional walks in a nine-inning game. Number of occurrences: 2. Barry Bonds, May 1, 2004 and September 22, 2004.
- 5 Intentional walks in an extra-inning game. Number of occurrences: 1. Andre Dawson, May 22, 1990.
- 3 runs scored in an inning. Number of occurrences: 3. Sammy White, June 18, 1953, Tom Burns and Ned Williamson (both in the same game for the Chicago Colts), September 6, 1883.
- 12 RBIs in a single game. Number of occurrences: 2. Jim Bottomley, September 16, 1924; Mark Whiten, September 7, 1993.
- Hitting into 4 double plays in a game. Number of occurrences: 3. Goose Goslin, April 28, 1934; Joe Torre, July 21, 1975; Víctor Martínez, September 11, 2011.
- Three sacrifice flies in a game. Number of occurrences: 12. Most recently, José López, April 15, 2008.
{| class="wikitable"
|-
! Event
! # of occurrences
!Most Recent
! Refs
|-
|Four home runs in a game
|20
|Kyle Schwarber
August 28, 2025
|
|-
|2 grand slams in one inning
|1
|Fernando Tatís
April 23, 1999
|
|-
|1 grand slam from each side of the plate in the same game
|1
|Bill Mueller
July 29, 2003
|
|-
|Three sacrifice flies in a game
|12
|José López
April 15, 2008
| Roger Clemens 1986 and 1996 struck out 20. Kerry Wood in 1998. Most recently, Max Scherzer, May 11, 2016. In 2001, Randy Johnson also struck out 20 in a 9-inning start, but the game went on to extra innings.
- 21 strikeouts in a game of any length. Number of occurrences: 1. Leon Cadore and Joe Oeschger, May 1, 1920. (Same game.)
- 4 consecutive home runs allowed. Number of occurrences: 5. Paul Foytack, July 31, 1963; Chase Wright, April 22, 2007, Dave Bush, August 11, 2010, Michael Blazek, July 27, 2017, and Craig Stammen, June 9, 2019.
- 7 home runs allowed in a game. Number of occurrences: 1. Most recently, Bill Gullickson, October 4, 1982. Bert Cunningham of the 1890 Players' League threw five wild pitches in a single inning.
- 26 hits allowed in a game. Number of occurrences: 1. Allan Travers, May 18, 1912.
- 29 hits allowed in an extra-inning game. Number of occurrences: 1. Eddie Rommel (17 innings), July 10, 1932.
- Oldest pitcher to win a game. Jamie Moyer, age , May 16, 2012.
- Most innings pitched by a relief pitcher in one game. Zip Zabel, innings. June 17, 1915
- Fastest recorded pitch thrown by a pitcher in a game. Aroldis Chapman, . September 24, 2010.
- Slowest recorded pitch thrown by a pitcher in a game. Brock Holt, . August 7, 2021.
{| class="wikitable"
|-
! Event
! # of occurrences
! References
|-
| 10 consecutive strikeouts in a game
| 3<sup>h</sup>
| Baseball Almanac
|-
| 20 or more consecutive scoreless innings pitched in a game
| 2
| Baseball Almanac
|-
| First 27 batters retired without a perfect game
| 2
|
|-
| 6 or more home runs surrendered in a game
| 4
| Baseball Almanac
|-
| Base on balls given to the first 4 batters
| 4
| Baseball Almanac
|-
| Intentional base on balls with the bases loaded
| 6
| Baseball Almanac
|-
| Home run surrendered on first pitch in major leagues
| 7
| Baseball Almanac
|-
| Perfect game bid lost on the 27th batter
| 13
|
|-
| 4 consecutive strikeouts in a single inning
| 17
| Baseball Almanac
|-
| Perfect game
| 24
|
|-
| 4 strikeouts in a single inning
| 62
| Baseball Almanac
|-
| Home run surrendered to first batter faced in major leagues
| 69
| Baseball Almanac
|-
| Immaculate inning (9 pitches, 9 strikes, side retired)
| 104
| Baseball Almanac
|-
| No-hitter
| 313
|
|}
Collective pitching
- 26 strikeouts in a game of any length. Number of occurrences: 4. New York Mets, August 23, 2019 (in a 14-inning game); Los Angeles Dodgers, June 2, 2017 (in a 12-inning game); Chicago Cubs, May 7, 2017 (in an 18-inning game); and California Angels, July 9, 1971 (in a 20-inning game).
- Most strikeouts in a game of any length by both teams. 48 in an 18-inning game between the Cubs and Yankees on May 7, 2017
Scoring
- Highest combined score: 49. Chicago Cubs (26) over Philadelphia Phillies (23), August 25, 1922.
- Highest score, one team: 36. Chicago Colts (36) vs. Louisville Colonels (7), June 29, 1897.
Fielding
- Team executes two triple plays in a game. Number of occurrences: 1. Minnesota Twins, July 17, 1990.
- Shortstop plays doubleheader without an official chance. Number of occurrences: 1. Toby Harrah, June 25, 1976.
- Unassisted triple play. Number of occurrences: 15. Most recently, Eric Bruntlett, August 23, 2009.
- Three errors on one play. Number of occurrences: 4. Most recently committed by Los Angeles Dodgers vs San Diego Padres, September 8, 2014. Yasiel Puig bungled a throw to first base. A. J. Ellis then torpedoed the throw into left field, and then on the relay to home plate, Hanley Ramírez threw the ball past a diving Clayton Kershaw to complete the trifecta of errors.
Baserunning
{| class="wikitable"
|-
! Event
! # of occurrences
! References
|-
| Two triple steals by the same team in a game
| 1<sup>i</sup>
| Baseball Almanac
|-
| A single baserunner caught stealing 4 times in a game
| 1<sup>j</sup>
| Baseball Almanac
|-
| 8 stolen bases by a team in a single inning
| 2
| Baseball Almanac
|-
| Home stolen 3 times by the same team in a game
| 5
| Baseball Almanac
|-
| A single baserunner caught stealing twice in a single inning
| 10
| Baseball Almanac
|-
| Home stolen twice by a single baserunner in a game
| 11
| Baseball Almanac
|-
| One player stealing second, third, and home in a single inning
| 53
| Baseball Almanac
|}
See also
- Baseball record holders