6 players are tied for the most grand slams in a day, with 2 grand slams. The first three are Josh Willingham on July 27, 2009, Bill Mueller on July 29, 2003 and Robin Ventura on May 20, 1999 and on September 4, 1995.
Interpreted as:
most grand slams by a player in a day| NAME | GRANDSLAM | DAY | AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | OBP | SLG | OPS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | J. Willingham | 2 | 7/27/2009 | 5 | 2 | 3 | 1 | 0 | 2 | 8 | 0 | 0 | 1 | 0 | 0 | 5 | 10 | 3 | 0 | 0 | 0 | 0 | .600 | .600 | 2.000 | 2.600 |
| 2 | | B. Mueller | 2 | 7/29/2003 | 5 | 3 | 3 | 0 | 0 | 3 | 9 | 0 | 0 | 0 | 0 | 0 | 5 | 12 | 3 | 0 | 0 | 0 | 0 | .600 | .600 | 2.400 | 3.000 |
| 3 | | R. Ventura | 2 | 5/20/1999 | 7 | 3 | 3 | 1 | 0 | 2 | 8 | 0 | 0 | 0 | 0 | 0 | 7 | 10 | 3 | 0 | 0 | 0 | 0 | .429 | .429 | 1.429 | 1.857 |
| 4 | | N. Garciaparra | 2 | 5/10/1999 | 4 | 3 | 3 | 0 | 0 | 3 | 10 | 1 | 0 | 0 | 0 | 0 | 5 | 12 | 3 | 0 | 0 | 0 | 0 | .750 | .800 | 3.000 | 3.800 |
| 5 | | F. Tatis | 2 | 4/23/1999 | 5 | 2 | 2 | 0 | 0 | 2 | 8 | 0 | 0 | 2 | 0 | 0 | 5 | 8 | 2 | 0 | 0 | 0 | 0 | .400 | .400 | 1.600 | 2.000 |
| 6 | | C. Hoiles | 2 | 8/14/1998 | 5 | 2 | 3 | 0 | 0 | 2 | 8 | 0 | 0 | 1 | 0 | 0 | 5 | 9 | 2 | 0 | 0 | 0 | 0 | .600 | .600 | 1.800 | 2.400 |
| 7 | | R. Ventura | 2 | 9/4/1995 | 5 | 3 | 3 | 1 | 0 | 2 | 8 | 1 | 0 | 0 | 0 | 0 | 6 | 10 | 3 | 0 | 0 | 0 | 0 | .600 | .667 | 2.000 | 2.667 |
| 8 |  | A. Kirk | 1 | 9/28/2025 | 5 | 2 | 3 | 1 | 0 | 2 | 6 | 0 | 0 | 1 | 0 | 0 | 5 | 10 | 3 | 0 | 0 | 0 | 0 | .600 | .600 | 2.000 | 2.600 |
| 9 |  | F. Tatis Jr. | 1 | 9/26/2025 | 5 | 1 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 3 | 0 | 0 | 5 | 4 | 1 | 0 | 0 | 0 | 0 | .200 | .200 | .800 | 1.000 |
| 10 |  | S. Suzuki | 1 | 9/26/2025 | 4 | 1 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 1 | 0 | 0 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | .250 | .250 | 1.000 | 1.250 |
| 11 |  | D. Varsho | 1 | 9/25/2025 | 4 | 1 | 2 | 0 | 0 | 1 | 4 | 0 | 0 | 1 | 0 | 0 | 4 | 5 | 1 | 0 | 0 | 0 | 0 | .500 | .500 | 1.250 | 1.750 |
| 12 | | R. O'Hearn | 1 | 9/23/2025 | 4 | 1 | 2 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 4 | 5 | 1 | 0 | 0 | 0 | 0 | .500 | .500 | 1.250 | 1.750 |
| 13 | | J.P. Crawford | 1 | 9/21/2025 | 4 | 1 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 1 | 0 | 0 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | .250 | .250 | 1.000 | 1.250 |
| 14 |  | B. Rice | 1 | 9/21/2025 | 5 | 1 | 4 | 1 | 0 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 5 | 8 | 2 | 0 | 0 | 0 | 0 | .800 | .800 | 1.600 | 2.400 |
| 15 |  | J. Peña | 1 | 9/20/2025 | 4 | 1 | 2 | 0 | 0 | 1 | 4 | 1 | 0 | 0 | 0 | 0 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | .500 | .600 | 1.250 | 1.850 |
| 16 | | E. Pereira | 1 | 9/19/2025 | 5 | 1 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 3 | 0 | 0 | 5 | 4 | 1 | 0 | 0 | 0 | 0 | .200 | .200 | .800 | 1.000 |
| 17 |  | M. Machado | 1 | 9/17/2025 | 5 | 1 | 3 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 1 | 0 | 5 | 6 | 1 | 0 | 0 | 0 | 0 | .600 | .600 | 1.200 | 1.800 |
| 18 |  | N. Kurtz | 1 | 9/13/2025 | 5 | 1 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 2 | 0 | 0 | 5 | 4 | 1 | 0 | 0 | 0 | 0 | .200 | .200 | .800 | 1.000 |
| 19 | | P. Bailey | 1 | 9/12/2025 | 4 | 1 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 2 | 0 | 0 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | .250 | .250 | 1.000 | 1.250 |
| 20 |  | M. Betts | 1 | 9/10/2025 | 5 | 1 | 4 | 1 | 0 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 5 | 8 | 2 | 0 | 0 | 0 | 0 | .800 | .800 | 1.600 | 2.400 |
| 21 | | M. Helman | 1 | 9/8/2025 | 3 | 1 | 2 | 1 | 0 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 3 | 6 | 2 | 0 | 0 | 0 | 0 | .667 | .667 | 2.000 | 2.667 |
| 22 |  | T. Grisham | 1 | 9/2/2025 | 4 | 2 | 2 | 0 | 0 | 1 | 4 | 0 | 0 | 1 | 0 | 0 | 4 | 5 | 1 | 0 | 0 | 0 | 0 | .500 | .500 | 1.250 | 1.750 |
| 23 |  | J. Soto | 1 | 9/1/2025 | 3 | 2 | 2 | 0 | 1 | 1 | 6 | 2 | 0 | 1 | 0 | 1 | 5 | 7 | 2 | 0 | 0 | 0 | 0 | .667 | .800 | 2.333 | 3.133 |
| 24 |  | B. Lowe | 1 | 8/31/2025 | 4 | 1 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 2 | 0 | 0 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | .250 | .250 | 1.000 | 1.250 |
| 25 | | T. Grisham | 1 | 8/29/2025 | 4 | 2 | 1 | 0 | 0 | 1 | 4 | 1 | 0 | 3 | 1 | 0 | 5 | 4 | 1 | 0 | 0 | 0 | 0 | .250 | .400 | 1.000 | 1.400 |
StatMuse has 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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| NL East | W | L | PCT | GB |
|---|---|---|---|---|
 Phillies - y | 96 | 66 | .593 | |
83 | 79 | .512 | 13.0 | |
79 | 83 | .488 | 17.0 | |
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| NL Central | W | L | PCT | GB |
 Brewers - y | 97 | 65 | .599 | |
 Cubs - w | 92 | 70 | .568 | 5.0 |
 Reds - w | 83 | 79 | .512 | 14.0 |
78 | 84 | .481 | 19.0 | |
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| NL West | W | L | PCT | GB |
 Dodgers - y | 93 | 69 | .574 | |
 Padres - w | 90 | 72 | .556 | 3.0 |
81 | 81 | .500 | 12.0 | |
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43 | 119 | .265 | 50.0 |
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Giants
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|---|---|---|---|---|
 Blue Jays - y | 94 | 68 | .580 | |
 Yankees - w | 94 | 68 | .580 | |
 Red Sox - w | 89 | 73 | .549 | 5.0 |
77 | 85 | .475 | 17.0 | |
75 | 87 | .463 | 19.0 | |
| AL Central | W | L | PCT | GB |
 Guardians - y | 88 | 74 | .543 | |
 Tigers - w | 87 | 75 | .537 | 1.0 |
82 | 80 | .506 | 6.0 | |
70 | 92 | .432 | 18.0 | |
60 | 102 | .370 | 28.0 | |
| AL West | W | L | PCT | GB |
 Mariners - y | 90 | 72 | .556 | |
87 | 75 | .537 | 3.0 | |
81 | 81 | .500 | 9.0 | |
76 | 86 | .469 | 14.0 | |
72 | 90 | .444 | 18.0 |
Rays
Orioles
Royals
Twins
White Sox
Astros
Rangers
Athletics
Angels
