6 players are tied for the most grand slams in a game, with 2 grand slams. The first three are Josh Willingham on July 27, 2009, Bill Mueller on July 29, 2003 and Nomar Garciaparra on May 10, 1999.
Interpreted as:
most grand slams by a player in a single regular-season game| NAME | GRANDSLAM | DATE | TM | OPP | AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | J. Willingham | 2 | 7/27/2009 |  WSH | @ |  MIL | 5 | 2 | 3 | 1 | 0 | 2 | 8 | 0 | 0 | 1 | 0 | 0 | 5 | 10 | 3 | 0 | 0 | 0 | 0 |
| 2 | | B. Mueller | 2 | 7/29/2003 |  BOS | @ |  TEX | 5 | 3 | 3 | 0 | 0 | 3 | 9 | 0 | 0 | 0 | 0 | 0 | 5 | 12 | 3 | 0 | 0 | 0 | 0 |
| 3 | | N. Garciaparra | 2 | 5/10/1999 | BOS | vs |  SEA | 4 | 3 | 3 | 0 | 0 | 3 | 10 | 1 | 0 | 0 | 0 | 0 | 5 | 12 | 3 | 0 | 0 | 0 | 0 |
| 4 | | F. Tatis | 2 | 4/23/1999 |  STL | @ |  LAD | 5 | 2 | 2 | 0 | 0 | 2 | 8 | 0 | 0 | 2 | 0 | 0 | 5 | 8 | 2 | 0 | 0 | 0 | 0 |
| 5 | | C. Hoiles | 2 | 8/14/1998 |  BAL | @ |  CLE | 5 | 2 | 3 | 0 | 0 | 2 | 8 | 0 | 0 | 1 | 0 | 0 | 5 | 9 | 2 | 0 | 0 | 0 | 0 |
| 6 | | R. Ventura | 2 | 9/4/1995 |  CWS | @ | TEX | 5 | 3 | 3 | 1 | 0 | 2 | 8 | 1 | 0 | 0 | 0 | 0 | 6 | 10 | 3 | 0 | 0 | 0 | 0 |
| 7 |  | T. Grisham | 1 | 9/2/2025 |  NYY | @ |  HOU | 4 | 2 | 2 | 0 | 0 | 1 | 4 | 0 | 0 | 1 | 0 | 0 | 4 | 5 | 1 | 0 | 0 | 0 | 0 |
| 8 |  | J. Soto | 1 | 9/1/2025 |  NYM | @ |  DET | 3 | 2 | 2 | 0 | 1 | 1 | 6 | 2 | 0 | 1 | 0 | 1 | 5 | 7 | 2 | 0 | 0 | 0 | 0 |
| 9 |  | B. Lowe | 1 | 8/31/2025 |  TBR | @ | WSH | 4 | 1 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 2 | 0 | 0 | 4 | 4 | 1 | 0 | 0 | 0 | 0 |
| 10 | | T. Grisham | 1 | 8/29/2025 | NYY | @ | CWS | 4 | 2 | 1 | 0 | 0 | 1 | 4 | 1 | 0 | 3 | 1 | 0 | 5 | 4 | 1 | 0 | 0 | 0 | 0 |
| 11 | | M. Vargas | 1 | 8/28/2025 | CWS | vs | NYY | 2 | 1 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 1 | 0 | 0 | 0 | 0 |
| 12 |  | R. Greene | 1 | 8/26/2025 | DET | @ |  ATH | 5 | 1 | 2 | 0 | 0 | 1 | 4 | 0 | 0 | 2 | 0 | 0 | 5 | 5 | 1 | 0 | 0 | 0 | 0 |
| 13 | | R. Laureano | 1 | 8/26/2025 |  SDP | @ | SEA | 4 | 2 | 2 | 1 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 4 | 6 | 2 | 0 | 0 | 0 | 1 |
| 14 | | J. Young | 1 | 8/25/2025 | WSH | @ | NYY | 3 | 1 | 1 | 0 | 0 | 1 | 4 | 1 | 0 | 1 | 0 | 0 | 4 | 4 | 1 | 0 | 0 | 0 | 0 |
| 15 |  | S. Langeliers | 1 | 8/25/2025 | ATH | vs | DET | 4 | 1 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 2 | 0 | 0 | 4 | 4 | 1 | 0 | 0 | 0 | 0 |
| 16 |  | J. Caminero | 1 | 8/24/2025 | TBR | vs | STL | 4 | 1 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 1 | 0 | 0 | 0 | 0 |
| 17 | | R. McGuire | 1 | 8/23/2025 |  CHC | @ |  LAA | 2 | 2 | 1 | 0 | 0 | 1 | 5 | 1 | 0 | 1 | 0 | 0 | 4 | 4 | 1 | 0 | 1 | 0 | 0 |
| 18 | | C. Montgomery | 1 | 8/23/2025 | CWS | vs |  MIN | 4 | 1 | 2 | 0 | 0 | 1 | 4 | 0 | 0 | 1 | 0 | 0 | 4 | 5 | 1 | 0 | 0 | 0 | 0 |
| 19 | | R. Lewis | 1 | 8/22/2025 | MIN | @ | CWS | 5 | 2 | 3 | 0 | 0 | 1 | 4 | 0 | 0 | 2 | 1 | 0 | 5 | 6 | 1 | 0 | 0 | 0 | 0 |
| 20 | | B. Lee | 1 | 8/17/2025 | MIN | vs | DET | 3 | 1 | 1 | 0 | 0 | 1 | 4 | 1 | 0 | 1 | 0 | 0 | 4 | 4 | 1 | 0 | 0 | 0 | 0 |
| 21 | | M. Harris II | 1 | 8/13/2025 |  ATL | @ | NYM | 5 | 2 | 2 | 0 | 0 | 1 | 4 | 0 | 0 | 1 | 0 | 0 | 5 | 5 | 1 | 0 | 0 | 0 | 0 |
| 22 |  | N. Lowe | 1 | 8/13/2025 | WSH | @ |  KCR | 3 | 1 | 1 | 0 | 0 | 1 | 4 | 2 | 0 | 0 | 0 | 0 | 5 | 4 | 1 | 0 | 0 | 0 | 0 |
| 23 | | M. Andujar | 1 | 8/13/2025 |  CIN | vs |  PHI | 4 | 1 | 2 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 4 | 5 | 1 | 0 | 0 | 0 | 0 |
| 24 |  | K. Schwarber | 1 | 8/4/2025 | PHI | vs | BAL | 5 | 2 | 3 | 0 | 0 | 2 | 6 | 0 | 0 | 1 | 0 | 0 | 5 | 9 | 2 | 0 | 0 | 0 | 0 |
| 25 |  | K. Stowers | 1 | 8/1/2025 |  MIA | vs | NYY | 5 | 1 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 2 | 0 | 0 | 5 | 4 | 1 | 0 | 0 | 0 | 0 |
Results may be incomplete. StatMuse has complete game-level data for grand slams going back to the 1920 season.
Some of the information used here was obtained free of charge from Retrosheet.
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