The Toronto Blue Jays have given up the most home runs by a team in the 1st inning this season, with 15 HR.
| TEAM | HR | SEASON | G | W% | W | L | SO | H | BB | HBP | IBB | K/BB | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Blue Jays | 15 | 2025 | 43 | .462 | 84 | 98 | 48 | 46 | 12 | 1 | 0 | 4.00 |
| 2 |  | Athletics | 12 | 2025 | 44 | .441 | 90 | 114 | 40 | 43 | 28 | 2 | 0 | 1.43 |
| 3 |  | Rockies | 11 | 2025 | 43 | .153 | 31 | 171 | 34 | 65 | 13 | 2 | 0 | 2.62 |
| 4 |  | Angels | 10 | 2025 | 42 | .387 | 74 | 117 | 33 | 52 | 17 | 2 | 0 | 1.94 |
| 5 |  | Brewers | 10 | 2025 | 44 | .428 | 80 | 107 | 42 | 45 | 19 | 0 | 0 | 2.21 |
| 6 |  | Guardians | 9 | 2025 | 43 | .592 | 109 | 75 | 40 | 45 | 23 | 0 | 0 | 1.74 |
| 7 |  | Orioles | 9 | 2025 | 42 | .333 | 65 | 130 | 39 | 52 | 16 | 2 | 0 | 2.44 |
| 8 |  | Marlins | 9 | 2025 | 42 | .352 | 63 | 116 | 40 | 44 | 14 | 0 | 0 | 2.86 |
| 9 |  | Braves | 8 | 2025 | 44 | .489 | 90 | 94 | 50 | 42 | 16 | 3 | 0 | 3.13 |
| 10 |  | Dodgers | 8 | 2025 | 44 | .661 | 127 | 65 | 45 | 39 | 21 | 0 | 0 | 2.14 |
| 11 |  | Rays | 7 | 2025 | 43 | .464 | 83 | 96 | 39 | 40 | 14 | 2 | 0 | 2.79 |
| 12 |  | Reds | 7 | 2025 | 45 | .452 | 80 | 97 | 42 | 27 | 16 | 2 | 0 | 2.63 |
| 13 |  | Cardinals | 7 | 2025 | 44 | .529 | 100 | 89 | 38 | 44 | 17 | 0 | 0 | 2.24 |
| 14 |  | White Sox | 7 | 2025 | 44 | .266 | 54 | 149 | 33 | 48 | 22 | 4 | 0 | 1.50 |
| 15 |  | Tigers | 7 | 2025 | 44 | .692 | 126 | 56 | 52 | 38 | 15 | 1 | 0 | 3.47 |
| 16 |  | Rangers | 7 | 2025 | 45 | .475 | 86 | 95 | 42 | 38 | 13 | 1 | 0 | 3.23 |
| 17 |  | Diamondbacks | 7 | 2025 | 44 | .508 | 100 | 97 | 48 | 50 | 20 | 1 | 0 | 2.40 |
| 18 |  | Red Sox | 6 | 2025 | 45 | .430 | 86 | 114 | 49 | 53 | 17 | 3 | 0 | 2.88 |
| 19 |  | Cubs | 6 | 2025 | 44 | .553 | 99 | 80 | 49 | 35 | 13 | 1 | 0 | 3.77 |
| 20 |  | Twins | 5 | 2025 | 44 | .475 | 87 | 96 | 42 | 39 | 14 | 0 | 0 | 3.00 |
| 21 |  | Astros | 5 | 2025 | 43 | .481 | 90 | 97 | 41 | 42 | 17 | 2 | 0 | 2.41 |
| 22 |  | Nationals | 5 | 2025 | 45 | .416 | 79 | 111 | 42 | 36 | 24 | 0 | 0 | 1.75 |
| 23 |  | Padres | 4 | 2025 | 42 | .596 | 106 | 72 | 37 | 33 | 22 | 1 | 0 | 1.68 |
| 24 |  | Mariners | 4 | 2025 | 42 | .545 | 103 | 86 | 38 | 48 | 17 | 1 | 0 | 2.24 |
| 25 |  | Giants | 3 | 2025 | 44 | .597 | 120 | 81 | 54 | 53 | 21 | 1 | 0 | 2.57 |
StatMuse has event-level data for home runs allowed going back to the 1974 season.
Some of the information used here was obtained free of charge from Retrosheet.
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