| East | W | L | Pct | GB |
| Toronto | 91 | 71 | .562 | -- |
| Boston | 84 | 78 | .519 | 7.0 |
| Detroit | 84 | 78 | .519 | 7.0 |
| Milwaukee | 83 | 79 | .512 | 8.0 |
| NY Yankees | 71 | 91 | .438 | 20.0 |
| Baltimore | 67 | 95 | .414 | 24.0 |
| Cleveland | 57 | 105 | .352 | 34.0 |
| Pitcher | Game | Season | Result | Decision | IP | H | R | ER | HR | BB | SO | WP | BK | HB | TBF | Pitches | Str | Bal | Str% | Career G | Career W-L | Feat Description | |
| Mike Timlin | 1991-04-08 | 1991 | L 6-2 vs BOS | 1.1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 6 | 26 | 14 | 12 | 54% | 1 | 0-0 | 1st career game | ||
| Duane Ward | 1991-04-09 | 1991 | W 4-3 vs BOS | 2 | 3 | 1 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | 9 | 30 | 23 | 7 | 77% | 228 | 16-23 | Threw 77% strikes | ||
| Mike Timlin | 1991-04-10 | 1991 | W 5-3 vs BOS | W | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3 | 11 | 7 | 4 | 64% | 2 | 1-0 | 1st career win | |
| Denis Boucher | 1991-04-12 | 1991 | W 5-4 vs MIL | 5.1 | 5 | 4 | 3 | 2 | 1 | 1 | 0 | 0 | 0 | 22 | 85 | 55 | 30 | 65% | 1 | 0-0 | 1st career game | ||
| Jimmy Key | 1991-04-14 | 1991 | W 9-0 vs MIL | W | SHO | 9 | 2 | 0 | 0 | 0 | 2 | 5 | 0 | 0 | 0 | 30 | 117 | 73 | 44 | 62% | 253 | 89-56 | Complete game/Shutout, 2-hitter |
| Jim Acker | 1991-04-15 | 1991 | W 4-3 @ DET | 2 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 7 | 18 | 12 | 6 | 67% | 400 | 30-44 | 400th career game | ||
| Mike Timlin | 1991-05-14 | 1991 | W 4-1 vs KCA | Sv | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 10 | 33 | 22 | 11 | 67% | 15 | 3-0 | 1st career save | |
| Mike Timlin | 1991-05-21 | 1991 | W 11-7 @ OAK | Sv | 3 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | 0 | 10 | 40 | 30 | 10 | 75% | 18 | 3-2 | Threw 75% strikes | |
| Mike Timlin | 1991-06-03 | 1991 | W 5-3 @ NYA | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 9 | 23 | 18 | 5 | 78% | 24 | 4-2 | Threw 78% strikes | ||
| Juan Guzman | 1991-06-07 | 1991 | L 6-4 @ BAL | L | 4.2 | 6 | 4 | 4 | 0 | 3 | 5 | 0 | 0 | 0 | 23 | 94 | 54 | 40 | 57% | 1 | 0-1 | 1st career game | |
| Jimmy Key | 1991-06-13 | 1991 | W 1-0 @ CLE | W | SHO | 9 | 2 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 29 | 100 | 73 | 27 | 73% | 264 | 97-58 | Complete game/Shutout, 2-hitter |
| Duane Ward | 1991-06-18 | 1991 | L 4-2 vs NYA | 3 | 1 | 1 | 1 | 0 | 1 | 6 | 0 | 0 | 0 | 11 | 38 | 29 | 9 | 76% | 258 | 16-26 | Threw 76% strikes | ||
| Juan Guzman | 1991-06-22 | 1991 | W 4-0 vs CLE | W | 7 | 3 | 0 | 0 | 0 | 2 | 6 | 0 | 0 | 0 | 26 | 96 | 67 | 29 | 70% | 3 | 1-2 | 1st career win | |
| Bob MacDonald | 1991-06-23 | 1991 | W 3-1 vs CLE | W | 2.1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 7 | 25 | 18 | 7 | 72% | 18 | 1-0 | 1st career win | |
| Tom Henke | 1991-06-27 | 1991 | W 1-0 @ MIN | Sv | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3 | 14 | 9 | 5 | 64% | 400 | 29-26 | 400th career game | |
| Tom Candiotti | 1991-07-11 | 1991 | W 2-0 vs TEX | W | 8 | 5 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 1 | 30 | 106 | 70 | 36 | 66% | 197 | 80-72 | 10 Strikeouts | |
| Mike Timlin | 1991-07-19 | 1991 | W 7-2 @ TEX | Sv | 1.2 | 2 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 7 | 28 | 22 | 6 | 79% | 37 | 9-4 | Threw 79% strikes | |
| Tom Candiotti | 1991-07-28 | 1991 | L 10-4 vs KCA | L | 5.1 | 8 | 5 | 5 | 0 | 4 | 2 | 1 | 0 | 0 | 27 | 105 | 61 | 44 | 58% | 200 | 80-75 | 200th career game | |
| Dave Weathers | 1991-08-02 | 1991 | L 5-3 @ BOS | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 12 | 7 | 5 | 58% | 1 | 0-0 | 1st career game | ||
| Tom Candiotti | 1991-08-08 | 1991 | L 4-0 vs DET | 7 | 4 | 0 | 0 | 0 | 3 | 12 | 0 | 0 | 0 | 29 | 129 | 80 | 49 | 62% | 202 | 80-76 | 12 Strikeouts | ||
| Tom Henke | 1991-08-08 | 1991 | L 4-0 vs DET | L | 2.1 | 3 | 4 | 4 | 2 | 1 | 6 | 0 | 0 | 0 | 11 | 49 | 32 | 17 | 65% | 415 | 29-27 | Struck out at least 2 batters per inning (1.2+ ip) | |
| Mike Timlin | 1991-08-22 | 1991 | L 8-7 vs MIL | 2.1 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 8 | 24 | 18 | 6 | 75% | 44 | 9-6 | Threw 75% strikes | ||
| Jimmy Key | 1991-08-26 | 1991 | W 5-2 @ BAL | W | 6 | 7 | 2 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 27 | 103 | 58 | 45 | 56% | 277 | 100-65 | 100th career win | |
| Mike Timlin | 1991-08-26 | 1991 | W 5-2 @ BAL | 2 | 2 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 8 | 42 | 26 | 16 | 62% | 46 | 9-6 | Struck out at least 2 batters per inning (1.2+ ip) | ||
| Pat Hentgen | 1991-09-03 | 1991 | L 8-4 vs BAL | 2 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 8 | 30 | 17 | 13 | 57% | 1 | 0-0 | 1st career game | ||
| Vince Horsman | 1991-09-05 | 1991 | W 13-1 @ CLE | 1.1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 4 | 14 | 9 | 5 | 64% | 1 | 0-0 | 1st career game | ||
| Juan Guzman | 1991-09-13 | 1991 | W 7-6 vs OAK | W | 6.1 | 7 | 6 | 6 | 1 | 4 | 10 | 0 | 0 | 0 | 30 | 117 | 76 | 41 | 65% | 18 | 7-2 | 10 Strikeouts | |
| Dave Weathers | 1991-10-06 | 1991 | W 3-2 @ MIN | W | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 5 | 19 | 9 | 10 | 47% | 15 | 1-0 | 1st career win | |