| 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 |
| Date | Pitcher | Hand | Age | Game Result | Opp | GS# | Career | Dec | IP | H | R | ER | HR | BB | SO | Pit | Bal | Str | Str% | W-L | ERA | WHIP |
| 1991-04-08 | Dave Stieb | R | 34 | W 2-6 | vs BOS | 1 | 383 | L | 5.0 | 4 | 5 | 5 | 1 | 2 | 2 | 83 | 28 | 55 | 66% | 0-1 | 9.00 | 1.20 |
| 1991-04-09 | Jimmy Key | L | 30 | L 4-3 | vs BOS | 1 | 185 | W | 6.0 | 6 | 2 | 2 | 1 | 3 | 3 | 99 | 43 | 56 | 57% | 1-0 | 3.00 | 1.50 |
| 1991-04-10 | Todd Stottlemyre | R | 26 | L 5-3 | vs BOS | 1 | 68 | - | 5.0 | 3 | 3 | 3 | 0 | 4 | 4 | 94 | 42 | 52 | 55% | 0-0 | 5.40 | 1.40 |
| 1991-04-11 | David Wells | L | 28 | L 7-3 | vs MIL | 1 | 28 | W | 8.0 | 8 | 3 | 3 | 1 | 1 | 2 | 102 | 36 | 66 | 65% | 1-0 | 3.38 | 1.13 |
| 1991-04-12 | Denis Boucher | L | 23 | L 5-4 | vs MIL | 1 | 1 | - | 5.1 | 5 | 4 | 3 | 2 | 1 | 1 | 85 | 30 | 55 | 65% | 0-0 | 5.40 | 1.20 |
| 1991-04-13 | Dave Stieb | R | 34 | W 3-7 | vs MIL | 2 | 384 | L | 6.0 | 6 | 4 | 4 | 1 | 1 | 4 | 97 | 39 | 58 | 60% | 0-2 | 7.36 | 1.18 |
| 1991-04-14 | Jimmy Key | L | 30 | L 9-0 | vs MIL | 2 | 186 | W | 9.0 | 2 | 0 | 0 | 0 | 2 | 5 | 117 | 44 | 73 | 62% | 2-0 | 1.20 | 0.87 |
| 1991-04-15 | Todd Stottlemyre | R | 26 | W 4-3 | @ DET | 2 | 69 | W | 6.0 | 4 | 2 | 1 | 0 | 5 | 8 | 113 | 49 | 64 | 57% | 1-0 | 3.27 | 1.45 |
| 1991-04-16 | David Wells | L | 28 | L 2-6 | @ DET | 2 | 29 | L | 7.0 | 6 | 3 | 3 | 0 | 2 | 5 | 105 | 40 | 65 | 62% | 1-1 | 3.60 | 1.13 |
| 1991-04-17 | Denis Boucher | L | 23 | L 4-5 | @ DET | 2 | 2 | - | 7.0 | 4 | 1 | 1 | 0 | 3 | 2 | 104 | 45 | 59 | 57% | 0-0 | 3.00 | 1.08 |
| 1991-04-19 | Dave Stieb | R | 34 | W 5-2 | @ MIL | 3 | 385 | W | 9.0 | 8 | 2 | 2 | 1 | 2 | 2 | 108 | 42 | 66 | 61% | 1-2 | 4.95 | 1.15 |
| 1991-04-20 | Jimmy Key | L | 30 | W 4-2 | @ MIL | 3 | 187 | W | 7.0 | 6 | 2 | 2 | 0 | 1 | 5 | 96 | 37 | 59 | 61% | 3-0 | 1.64 | 0.91 |
| 1991-04-21 | Todd Stottlemyre | R | 26 | L 8-11 | @ MIL | 3 | 70 | - | 5.0 | 6 | 3 | 3 | 0 | 2 | 2 | 109 | 46 | 63 | 58% | 1-0 | 3.94 | 1.50 |
| 1991-04-22 | David Wells | L | 28 | L 4-6 | @ BOS | 3 | 30 | L | 4.1 | 8 | 5 | 5 | 2 | 2 | 0 | 62 | 30 | 32 | 52% | 1-2 | 5.21 | 1.42 |
| 1991-04-23 | Denis Boucher | L | 23 | L 0-3 | @ BOS | 3 | 3 | L | 5.2 | 5 | 2 | 1 | 1 | 4 | 2 | 107 | 52 | 55 | 51% | 0-1 | 2.50 | 1.22 |
| 1991-04-24 | Dave Stieb | R | 34 | W 6-1 | @ BOS | 4 | 386 | W | 6.0 | 6 | 1 | 0 | 0 | 2 | 3 | 97 | 38 | 59 | 61% | 2-2 | 3.81 | 1.19 |
| 1991-04-25 | Jimmy Key | L | 30 | L 3-2 | vs DET | 4 | 188 | W | 7.0 | 4 | 2 | 2 | 0 | 2 | 3 | 107 | 43 | 64 | 60% | 4-0 | 1.86 | 0.90 |
| 1991-04-26 | Todd Stottlemyre | R | 26 | L 5-4 | vs DET | 4 | 71 | W | 7.0 | 6 | 3 | 3 | 1 | 1 | 3 | 95 | 37 | 58 | 61% | 2-0 | 3.91 | 1.35 |
| 1991-04-27 | David Wells | L | 28 | W 2-4 | vs DET | 4 | 31 | L | 3.1 | 4 | 3 | 2 | 0 | 1 | 0 | 60 | 23 | 37 | 62% | 1-3 | 5.09 | 1.39 |
| 1991-04-28 | Denis Boucher | L | 23 | L 9-6 | vs DET | 4 | 4 | - | 4.0 | 5 | 4 | 4 | 1 | 3 | 2 | 76 | 35 | 41 | 54% | 0-1 | 3.68 | 1.36 |
| 1991-04-30 | Dave Stieb | R | 34 | L 5-8 | @ TEX | 5 | 387 | - | 6.0 | 8 | 4 | 4 | 1 | 3 | 2 | 117 | 51 | 66 | 56% | 2-2 | 4.22 | 1.31 |
| 1991-05-01 | Jimmy Key | L | 30 | L 0-3 | @ TEX | 5 | 189 | L | 6.0 | 5 | 3 | 3 | 1 | 1 | 5 | 101 | 36 | 65 | 64% | 4-1 | 2.31 | 0.91 |
| 1991-05-02 | Todd Stottlemyre | R | 26 | W 3-1 | @ KCA | 5 | 72 | W | 7.0 | 2 | 1 | 1 | 0 | 2 | 4 | 104 | 41 | 63 | 61% | 3-0 | 3.30 | 1.17 |
| 1991-05-03 | David Wells | L | 28 | W 5-1 | @ KCA | 5 | 32 | W | 8.0 | 8 | 1 | 1 | 0 | 1 | 3 | 108 | 34 | 74 | 69% | 2-3 | 4.06 | 1.32 |
| 1991-05-04 | Denis Boucher | L | 23 | L 5-6 | @ KCA | 5 | 5 | L | 2.1 | 6 | 4 | 4 | 0 | 1 | 1 | 47 | 14 | 33 | 70% | 0-2 | 4.88 | 1.54 |
| 1991-05-05 | Dave Stieb | R | 34 | W 3-0 | @ KCA | 6 | 388 | W | 7.2 | 2 | 0 | 0 | 0 | 5 | 2 | 119 | 53 | 66 | 55% | 3-2 | 3.38 | 1.23 |
| 1991-05-07 | Jimmy Key | L | 30 | W 2-3 | vs TEX | 6 | 190 | L | 5.0 | 8 | 3 | 2 | 0 | 3 | 4 | 113 | 47 | 66 | 58% | 4-2 | 2.48 | 1.08 |
| 1991-05-08 | Todd Stottlemyre | R | 26 | L 4-2 | vs TEX | 6 | 73 | W | 7.2 | 5 | 2 | 2 | 1 | 1 | 6 | 112 | 37 | 75 | 67% | 4-0 | 3.08 | 1.08 |
| 1991-05-09 | David Wells | L | 28 | L 2-0 | vs CHA | 6 | 33 | W | 8.0 | 3 | 0 | 0 | 0 | 1 | 8 | 105 | 38 | 67 | 64% | 3-3 | 3.23 | 1.15 |
| 1991-05-10 | Denis Boucher | L | 23 | W 3-5 | vs CHA | 6 | 6 | - | 6.0 | 6 | 2 | 2 | 1 | 2 | 4 | 99 | 41 | 58 | 59% | 0-2 | 4.50 | 1.50 |
| 1991-05-11 | Dave Stieb | R | 34 | L 5-2 | vs CHA | 7 | 389 | W | 7.0 | 5 | 2 | 2 | 0 | 2 | 4 | 114 | 41 | 73 | 64% | 4-2 | 3.26 | 1.19 |
| 1991-05-12 | Jimmy Key | L | 30 | L 4-2 | vs CHA | 7 | 191 | W | 7.0 | 7 | 2 | 2 | 0 | 1 | 7 | 107 | 35 | 72 | 67% | 5-2 | 2.49 | 1.09 |
| 1991-05-13 | Todd Stottlemyre | R | 26 | L 4-2 | vs KCA | 7 | 74 | W | 8.1 | 6 | 2 | 2 | 0 | 2 | 6 | 112 | 38 | 74 | 66% | 5-0 | 2.93 | 1.07 |
| 1991-05-14 | David Wells | L | 28 | L 4-1 | vs KCA | 7 | 34 | W | 7.0 | 4 | 1 | 1 | 1 | 1 | 5 | 103 | 35 | 68 | 66% | 4-3 | 2.93 | 1.09 |
| 1991-05-15 | Denis Boucher | L | 23 | W 4-6 | vs KCA | 7 | 7 | L | 5.0 | 8 | 3 | 3 | 1 | 2 | 4 | 98 | 39 | 59 | 60% | 0-3 | 4.63 | 1.57 |
| 1991-05-17 | Dave Stieb | R | 34 | L 3-5 | @ CHA | 8 | 390 | - | 6.1 | 8 | 2 | 2 | 0 | 2 | 2 | 116 | 46 | 70 | 60% | 4-2 | 3.23 | 1.25 |
| 1991-05-18 | Jimmy Key | L | 30 | W 9-2 | @ CHA | 8 | 192 | W | 7.0 | 4 | 2 | 1 | 0 | 1 | 7 | 121 | 49 | 72 | 60% | 6-2 | 2.33 | 1.04 |
| 1991-05-19 | Todd Stottlemyre | R | 26 | L 4-5 | @ CHA | 8 | 75 | - | 5.0 | 6 | 3 | 1 | 0 | 4 | 4 | 88 | 33 | 55 | 63% | 5-0 | 2.82 | 1.16 |
| 1991-05-20 | David Wells | L | 28 | W 1-0 | @ OAK | 8 | 35 | W | 7.0 | 2 | 0 | 0 | 0 | 4 | 6 | 121 | 58 | 63 | 52% | 5-3 | 2.55 | 1.06 |
| 1991-05-21 | Jim Acker | R | 33 | W 11-7 | @ OAK | 1 | 29 | W | 5.0 | 2 | 3 | 1 | 1 | 4 | 1 | 82 | 39 | 43 | 52% | 1-1 | 2.17 | 0.97 |
| 1991-05-22 | Dave Stieb | R | 34 | L 1-2 | @ OAK | 9 | 391 | L | 6.2 | 5 | 2 | 2 | 0 | 4 | 8 | 109 | 47 | 62 | 57% | 4-3 | 3.15 | 1.25 |
| 1991-05-24 | Jimmy Key | L | 30 | W 3-2 | @ CAL | 9 | 193 | - | 6.2 | 6 | 2 | 1 | 0 | 3 | 6 | 117 | 45 | 72 | 62% | 6-2 | 2.21 | 1.07 |
| 1991-05-25 | Todd Stottlemyre | R | 26 | L 0-5 | @ CAL | 9 | 76 | L | 7.0 | 6 | 3 | 3 | 0 | 3 | 4 | 108 | 44 | 64 | 59% | 5-1 | 2.95 | 1.17 |
| 1991-05-26 | David Wells | L | 28 | L 2-6 | @ CAL | 9 | 36 | L | 2.2 | 6 | 5 | 5 | 1 | 1 | 0 | 39 | 16 | 23 | 59% | 5-4 | 3.27 | 1.15 |
| 1991-05-28 | Jim Acker | R | 33 | W 4-8 | vs OAK | 2 | 30 | L | 6.2 | 4 | 5 | 5 | 2 | 5 | 1 | 101 | 45 | 56 | 55% | 1-2 | 3.41 | 1.11 |
| 1991-05-29 | Jimmy Key | L | 30 | L 8-3 | vs OAK | 10 | 194 | W | 6.0 | 8 | 3 | 3 | 0 | 2 | 3 | 103 | 38 | 65 | 63% | 7-2 | 2.42 | 1.12 |
| 1991-05-30 | Todd Stottlemyre | R | 26 | W 6-8 | vs OAK | 10 | 77 | - | 6.0 | 6 | 5 | 5 | 2 | 3 | 3 | 96 | 38 | 58 | 60% | 5-1 | 3.38 | 1.20 |
| 1991-05-31 | David Wells | L | 28 | L 5-1 | vs CAL | 10 | 37 | W | 9.0 | 5 | 1 | 1 | 0 | 1 | 9 | 117 | 37 | 80 | 68% | 6-4 | 2.95 | 1.08 |
| 1991-06-01 | Willie Fraser | R | 27 | W 8-11 | vs CAL | 1 | 57 | L | 3.0 | 7 | 6 | 6 | 1 | 3 | 1 | 75 | 32 | 43 | 57% | 0-2 | 5.87 | 1.57 |
| 1991-06-02 | Jim Acker | R | 33 | W 2-7 | vs CAL | 3 | 31 | L | 4.1 | 6 | 7 | 7 | 2 | 2 | 1 | 80 | 35 | 45 | 56% | 1-3 | 4.61 | 1.20 |
| 1991-06-03 | Jimmy Key | L | 30 | W 5-3 | @ NYA | 11 | 195 | W | 5.0 | 8 | 3 | 3 | 0 | 1 | 5 | 82 | 25 | 57 | 70% | 8-2 | 2.63 | 1.17 |
| 1991-06-04 | Todd Stottlemyre | R | 26 | L 3-5 | @ NYA | 11 | 78 | L | 7.1 | 8 | 4 | 4 | 1 | 0 | 2 | 97 | 37 | 60 | 62% | 5-2 | 3.55 | 1.20 |
| 1991-06-05 | David Wells | L | 28 | W 4-1 | @ NYA | 11 | 38 | W | 8.0 | 4 | 1 | 0 | 0 | 2 | 6 | 129 | 50 | 79 | 61% | 7-4 | 2.63 | 1.04 |
| 1991-06-06 | Jim Acker | R | 33 | L 4-6 | @ BAL | 4 | 32 | - | 4.1 | 4 | 4 | 4 | 1 | 4 | 4 | 79 | 37 | 42 | 53% | 1-3 | 5.00 | 1.27 |
| 1991-06-07 | Juan Guzman | R | 25 | L 4-6 | @ BAL | 1 | 1 | L | 4.2 | 6 | 4 | 4 | 0 | 3 | 5 | 94 | 40 | 54 | 57% | 0-1 | 7.20 | 1.80 |
| 1991-06-08 | Jimmy Key | L | 30 | W 8-4 | @ BAL | 12 | 196 | W | 7.0 | 9 | 2 | 2 | 0 | 2 | 0 | 118 | 51 | 67 | 57% | 9-2 | 2.62 | 1.20 |
| 1991-06-09 | Todd Stottlemyre | R | 26 | W 3-2 | @ BAL | 12 | 79 | W | 7.0 | 3 | 1 | 1 | 1 | 3 | 4 | 98 | 38 | 60 | 61% | 6-2 | 3.35 | 1.17 |
| 1991-06-11 | David Wells | L | 28 | L 1-2 | @ CLE | 12 | 39 | - | 8.0 | 4 | 1 | 1 | 0 | 1 | 6 | 110 | 39 | 71 | 65% | 7-4 | 2.48 | 1.00 |
| 1991-06-12 | Mike Timlin | R | 25 | W 1-0 | @ CLE | 1 | 1 | W | 6.0 | 1 | 0 | 0 | 0 | 2 | 6 | 73 | 28 | 45 | 62% | 5-3 | 3.45 | 1.15 |
| 1991-06-13 | Jimmy Key | L | 30 | W 1-0 | @ CLE | 13 | 197 | W | 9.0 | 2 | 0 | 0 | 0 | 0 | 5 | 100 | 27 | 73 | 73% | 10-2 | 2.35 | 1.10 |
| 1991-06-14 | Todd Stottlemyre | R | 26 | L 9-1 | vs BAL | 13 | 80 | W | 8.0 | 8 | 1 | 1 | 0 | 1 | 3 | 109 | 36 | 73 | 67% | 7-2 | 3.14 | 1.16 |
| 1991-06-15 | Juan Guzman | R | 25 | W 4-8 | vs BAL | 2 | 2 | L | 4.0 | 4 | 5 | 4 | 1 | 3 | 1 | 74 | 32 | 42 | 57% | 0-2 | 8.00 | 1.78 |
| 1991-06-16 | David Wells | L | 28 | W 8-13 | vs BAL | 13 | 40 | - | 2.0 | 5 | 5 | 5 | 1 | 2 | 1 | 45 | 20 | 25 | 56% | 7-4 | 2.96 | 1.06 |
| 1991-06-18 | Mike Timlin | R | 25 | W 2-4 | vs NYA | 2 | 2 | L | 3.2 | 7 | 3 | 3 | 0 | 2 | 2 | 85 | 31 | 54 | 64% | 5-4 | 3.71 | 1.24 |
| 1991-06-19 | Jimmy Key | L | 30 | W 0-3 | vs NYA | 14 | 198 | L | 8.0 | 10 | 3 | 3 | 1 | 0 | 6 | 119 | 36 | 83 | 70% | 10-3 | 2.44 | 1.11 |
| 1991-06-20 | Todd Stottlemyre | R | 26 | L 6-1 | vs NYA | 14 | 81 | W | 8.0 | 8 | 1 | 1 | 1 | 0 | 2 | 102 | 32 | 70 | 69% | 8-2 | 2.97 | 1.15 |
| 1991-06-21 | David Wells | L | 28 | L 8-4 | vs CLE | 14 | 41 | W | 8.0 | 6 | 4 | 3 | 1 | 3 | 5 | 111 | 39 | 72 | 65% | 8-4 | 3.00 | 1.07 |
| 1991-06-22 | Juan Guzman | R | 25 | L 4-0 | vs CLE | 3 | 3 | W | 7.0 | 3 | 0 | 0 | 0 | 2 | 6 | 96 | 29 | 67 | 70% | 1-2 | 4.50 | 1.31 |
| 1991-06-23 | Mike Timlin | R | 25 | L 3-1 | vs CLE | 3 | 3 | - | 5.0 | 6 | 0 | 0 | 0 | 3 | 2 | 75 | 26 | 49 | 65% | 5-4 | 3.38 | 1.29 |
| 1991-06-24 | Jimmy Key | L | 30 | L 4-3 | vs CLE | 15 | 199 | - | 6.0 | 9 | 3 | 1 | 0 | 0 | 3 | 97 | 33 | 64 | 66% | 10-3 | 2.38 | 1.14 |
| 1991-06-25 | Todd Stottlemyre | R | 26 | L 6-8 | @ MIN | 15 | 82 | L | 6.0 | 10 | 6 | 6 | 2 | 3 | 6 | 104 | 39 | 65 | 63% | 8-3 | 3.33 | 1.21 |
| 1991-06-26 | David Wells | L | 28 | W 5-2 | @ MIN | 15 | 42 | W | 8.0 | 7 | 2 | 2 | 1 | 1 | 2 | 93 | 32 | 61 | 66% | 9-4 | 2.94 | 1.06 |
| 1991-06-27 | Juan Guzman | R | 25 | W 1-0 | @ MIN | 4 | 4 | W | 7.2 | 3 | 0 | 0 | 0 | 2 | 6 | 113 | 45 | 68 | 60% | 2-2 | 3.13 | 1.13 |
| 1991-06-28 | Tom Candiotti | R | 34 | W 1-3 | vs SEA | 16 | 187 | L | 6.0 | 8 | 3 | 3 | 1 | 2 | 3 | 115 | 48 | 67 | 58% | 7-7 | 2.37 | 1.11 |
| 1991-06-29 | Jimmy Key | L | 30 | L 4-0 | vs SEA | 16 | 200 | - | 4.0 | 5 | 0 | 0 | 0 | 0 | 1 | 65 | 23 | 42 | 65% | 10-3 | 2.29 | 1.14 |
| 1991-06-30 | Todd Stottlemyre | R | 26 | L 6-1 | vs SEA | 16 | 83 | W | 9.0 | 4 | 1 | 1 | 0 | 1 | 2 | 112 | 37 | 75 | 67% | 9-3 | 3.14 | 1.16 |
| 1991-07-01 | David Wells | L | 28 | L 4-3 | vs SEA | 16 | 43 | - | 8.0 | 7 | 3 | 3 | 2 | 2 | 3 | 115 | 45 | 70 | 61% | 9-4 | 2.97 | 1.07 |
| 1991-07-02 | Juan Guzman | R | 25 | L 4-3 | vs MIN | 5 | 5 | - | 3.0 | 1 | 2 | 1 | 0 | 3 | 1 | 75 | 28 | 47 | 63% | 2-2 | 3.12 | 1.15 |
| 1991-07-03 | Tom Candiotti | R | 34 | L 4-0 | vs MIN | 17 | 188 | W | 7.0 | 6 | 0 | 0 | 0 | 3 | 7 | 120 | 48 | 72 | 60% | 8-7 | 2.23 | 1.12 |
| 1991-07-04 | Jimmy Key | L | 30 | W 0-1 | vs MIN | 17 | 201 | L | 7.1 | 7 | 1 | 1 | 0 | 1 | 3 | 107 | 39 | 68 | 64% | 10-4 | 2.23 | 1.14 |
| 1991-07-05 | Todd Stottlemyre | R | 26 | W 2-1 | @ SEA | 17 | 84 | - | 6.2 | 6 | 1 | 1 | 0 | 3 | 2 | 107 | 44 | 63 | 59% | 9-3 | 3.03 | 1.16 |
| 1991-07-06 | David Wells | L | 28 | W 4-3 | @ SEA | 17 | 44 | - | 5.1 | 4 | 3 | 2 | 0 | 4 | 2 | 115 | 49 | 66 | 57% | 9-4 | 2.97 | 1.08 |
| 1991-07-07 | Juan Guzman | R | 25 | W 5-2 | @ SEA | 6 | 6 | W | 8.0 | 3 | 1 | 1 | 0 | 3 | 6 | 117 | 46 | 71 | 61% | 3-2 | 2.65 | 1.06 |
| 1991-07-11 | Tom Candiotti | R | 34 | L 2-0 | vs TEX | 18 | 189 | W | 8.0 | 5 | 0 | 0 | 0 | 0 | 10 | 106 | 36 | 70 | 66% | 9-7 | 2.09 | 1.09 |
| 1991-07-12 | David Wells | L | 28 | L 6-2 | vs TEX | 18 | 45 | W | 7.0 | 5 | 2 | 2 | 1 | 2 | 3 | 99 | 37 | 62 | 63% | 10-4 | 2.95 | 1.08 |
| 1991-07-13 | Todd Stottlemyre | R | 26 | L 3-2 | vs TEX | 18 | 85 | - | 7.0 | 5 | 2 | 1 | 0 | 2 | 3 | 117 | 45 | 72 | 62% | 9-3 | 2.93 | 1.15 |
| 1991-07-14 | Jimmy Key | L | 30 | W 6-8 | vs TEX | 18 | 202 | L | 4.1 | 8 | 6 | 5 | 0 | 0 | 3 | 82 | 30 | 52 | 63% | 10-5 | 2.54 | 1.17 |
| 1991-07-15 | Juan Guzman | R | 25 | W 5-3 | @ KCA | 7 | 7 | - | 5.0 | 4 | 2 | 2 | 0 | 3 | 5 | 103 | 38 | 65 | 63% | 3-2 | 2.77 | 1.10 |
| 1991-07-16 | Tom Candiotti | R | 34 | L 1-2 | @ KCA | 19 | 190 | L | 9.1 | 7 | 2 | 1 | 0 | 1 | 3 | 123 | 54 | 69 | 56% | 9-8 | 2.01 | 1.06 |
| 1991-07-18 | David Wells | L | 28 | W 4-0 | @ TEX | 19 | 46 | W | 6.2 | 3 | 0 | 0 | 0 | 2 | 1 | 89 | 32 | 57 | 64% | 11-4 | 2.81 | 1.06 |
| 1991-07-19 | Todd Stottlemyre | R | 26 | W 7-2 | @ TEX | 19 | 86 | W | 7.0 | 5 | 0 | 0 | 0 | 3 | 8 | 103 | 36 | 67 | 65% | 10-3 | 2.77 | 1.15 |
| 1991-07-20 | Jimmy Key | L | 30 | L 6-11 | @ TEX | 19 | 203 | L | 5.2 | 10 | 6 | 5 | 2 | 0 | 6 | 102 | 39 | 63 | 62% | 10-6 | 2.78 | 1.20 |
| 1991-07-21 | Juan Guzman | R | 25 | L 5-6 | @ TEX | 8 | 8 | - | 6.0 | 7 | 4 | 4 | 1 | 1 | 4 | 89 | 30 | 59 | 66% | 3-2 | 3.20 | 1.13 |
| 1991-07-23 | Tom Candiotti | R | 34 | L 2-3 | @ CHA | 20 | 191 | L | 8.0 | 7 | 3 | 3 | 0 | 3 | 4 | 136 | 60 | 76 | 56% | 9-9 | 2.08 | 1.07 |
| 1991-07-24 | David Wells | L | 28 | W 2-1 | @ CHA | 20 | 47 | W | 6.1 | 6 | 1 | 1 | 0 | 1 | 2 | 91 | 27 | 64 | 70% | 12-4 | 2.73 | 1.06 |
| 1991-07-25 | Todd Stottlemyre | R | 26 | L 1-7 | @ CHA | 20 | 87 | L | 4.0 | 6 | 7 | 6 | 0 | 3 | 2 | 70 | 28 | 42 | 60% | 10-4 | 3.09 | 1.19 |
| 1991-07-26 | Jimmy Key | L | 30 | L 6-5 | vs KCA | 20 | 204 | - | 6.0 | 6 | 5 | 5 | 1 | 2 | 1 | 102 | 39 | 63 | 62% | 10-6 | 3.00 | 1.20 |
| 1991-07-27 | Juan Guzman | R | 25 | W 2-5 | vs KCA | 9 | 9 | - | 7.1 | 5 | 2 | 1 | 0 | 5 | 8 | 122 | 54 | 68 | 56% | 3-2 | 2.89 | 1.15 |
| 1991-07-28 | Tom Candiotti | R | 34 | W 4-10 | vs KCA | 21 | 192 | L | 5.1 | 8 | 5 | 5 | 0 | 4 | 2 | 105 | 44 | 61 | 58% | 9-10 | 2.31 | 1.12 |
| 1991-07-29 | David Wells | L | 28 | W 4-12 | vs CHA | 21 | 48 | L | 5.0 | 7 | 7 | 7 | 4 | 2 | 4 | 75 | 28 | 47 | 63% | 12-5 | 3.09 | 1.09 |
| 1991-07-30 | Todd Stottlemyre | R | 26 | W 7-8 | vs CHA | 21 | 88 | - | 5.1 | 5 | 6 | 6 | 2 | 3 | 5 | 98 | 38 | 60 | 61% | 10-4 | 3.37 | 1.20 |
| 1991-07-31 | Jimmy Key | L | 30 | L 3-1 | vs CLE | 21 | 205 | W | 8.0 | 6 | 1 | 1 | 0 | 1 | 4 | 88 | 25 | 63 | 72% | 11-6 | 2.89 | 1.18 |
| 1991-08-01 | Juan Guzman | R | 25 | L 7-5 | vs CLE | 10 | 10 | - | 3.0 | 3 | 4 | 3 | 0 | 6 | 4 | 74 | 38 | 36 | 49% | 3-2 | 3.21 | 1.25 |
| 1991-08-02 | Tom Candiotti | R | 34 | L 3-5 | @ BOS | 22 | 193 | L | 7.0 | 5 | 5 | 5 | 2 | 5 | 2 | 118 | 57 | 61 | 52% | 9-11 | 2.49 | 1.13 |
| 1991-08-03 | David Wells | L | 28 | L 1-4 | @ BOS | 22 | 49 | L | 5.2 | 6 | 4 | 4 | 2 | 2 | 5 | 101 | 41 | 60 | 59% | 12-6 | 3.23 | 1.11 |
| 1991-08-04 | Todd Stottlemyre | R | 26 | W 2-1 | @ BOS | 22 | 89 | - | 6.0 | 6 | 1 | 1 | 1 | 3 | 3 | 111 | 43 | 68 | 61% | 10-4 | 3.29 | 1.21 |
| 1991-08-06 | Jimmy Key | L | 30 | L 2-1 | vs DET | 22 | 206 | W | 5.2 | 4 | 1 | 1 | 1 | 3 | 6 | 87 | 37 | 50 | 57% | 12-6 | 2.83 | 1.18 |
| 1991-08-07 | Juan Guzman | R | 25 | L 5-2 | vs DET | 11 | 11 | W | 7.0 | 2 | 2 | 1 | 1 | 2 | 9 | 105 | 36 | 69 | 66% | 4-2 | 3.00 | 1.17 |
| 1991-08-08 | Tom Candiotti | R | 34 | W 0-4 | vs DET | 23 | 194 | - | 7.0 | 4 | 0 | 0 | 0 | 3 | 12 | 129 | 49 | 80 | 62% | 9-11 | 2.39 | 1.13 |
| 1991-08-09 | David Wells | L | 28 | W 7-12 | vs BOS | 23 | 50 | L | 4.2 | 9 | 5 | 5 | 2 | 2 | 0 | 74 | 36 | 38 | 51% | 12-7 | 3.43 | 1.14 |
| 1991-08-10 | Todd Stottlemyre | R | 26 | W 1-7 | vs BOS | 23 | 90 | L | 8.0 | 12 | 7 | 7 | 0 | 2 | 3 | 126 | 43 | 83 | 66% | 10-5 | 3.53 | 1.24 |
| 1991-08-11 | Jimmy Key | L | 30 | W 6-9 | vs BOS | 23 | 207 | L | 5.1 | 11 | 8 | 4 | 0 | 3 | 3 | 122 | 49 | 73 | 60% | 12-7 | 2.98 | 1.24 |
| 1991-08-12 | Juan Guzman | R | 25 | W 8-11 | vs BOS | 12 | 12 | - | 5.0 | 8 | 5 | 5 | 0 | 3 | 5 | 116 | 48 | 68 | 59% | 4-2 | 3.44 | 1.25 |
| 1991-08-13 | Tom Candiotti | R | 34 | L 4-5 | @ MIL | 24 | 195 | - | 8.0 | 8 | 2 | 2 | 0 | 1 | 4 | 132 | 56 | 76 | 58% | 9-11 | 2.38 | 1.13 |
| 1991-08-14 | David Wells | L | 28 | L 3-5 | @ MIL | 24 | 51 | L | 6.0 | 9 | 5 | 5 | 1 | 2 | 2 | 91 | 34 | 57 | 63% | 12-8 | 3.59 | 1.17 |
| 1991-08-15 | Todd Stottlemyre | R | 26 | W 4-1 | @ MIL | 24 | 91 | W | 7.0 | 4 | 1 | 1 | 1 | 2 | 2 | 97 | 36 | 61 | 63% | 11-5 | 3.43 | 1.23 |
| 1991-08-16 | Jimmy Key | L | 30 | L 2-5 | @ DET | 24 | 208 | L | 7.1 | 5 | 3 | 3 | 1 | 0 | 3 | 100 | 38 | 62 | 62% | 12-8 | 3.02 | 1.21 |
| 1991-08-17 | Juan Guzman | R | 25 | W 7-5 | @ DET | 13 | 13 | - | 4.2 | 3 | 2 | 2 | 0 | 7 | 6 | 109 | 50 | 59 | 54% | 4-2 | 3.50 | 1.32 |
| 1991-08-18 | Tom Candiotti | R | 34 | W 4-2 | @ DET | 25 | 196 | W | 7.0 | 3 | 2 | 1 | 0 | 4 | 6 | 119 | 57 | 62 | 52% | 10-11 | 2.34 | 1.12 |
| 1991-08-20 | Todd Stottlemyre | R | 26 | L 3-1 | vs MIL | 25 | 92 | W | 7.0 | 7 | 1 | 1 | 1 | 1 | 3 | 105 | 34 | 71 | 68% | 12-5 | 3.34 | 1.22 |
| 1991-08-21 | Jimmy Key | L | 30 | W 0-3 | vs MIL | 25 | 209 | L | 6.1 | 8 | 3 | 3 | 1 | 1 | 4 | 99 | 34 | 65 | 66% | 12-9 | 3.06 | 1.22 |
| 1991-08-22 | Juan Guzman | R | 25 | W 7-8 | vs MIL | 14 | 14 | - | 6.0 | 6 | 3 | 3 | 1 | 2 | 3 | 118 | 36 | 82 | 69% | 4-2 | 3.58 | 1.32 |
| 1991-08-23 | Tom Candiotti | R | 34 | L 6-5 | vs NYA | 26 | 197 | - | 6.2 | 12 | 5 | 5 | 1 | 2 | 1 | 107 | 42 | 65 | 61% | 10-11 | 2.49 | 1.15 |
| 1991-08-24 | David Wells | L | 28 | W 5-6 | vs NYA | 25 | 52 | L | 5.0 | 9 | 6 | 5 | 1 | 1 | 5 | 100 | 38 | 62 | 62% | 12-9 | 3.76 | 1.20 |
| 1991-08-25 | Todd Stottlemyre | R | 26 | L 11-7 | vs NYA | 26 | 93 | - | 4.0 | 6 | 6 | 6 | 1 | 2 | 0 | 66 | 29 | 37 | 56% | 12-5 | 3.58 | 1.24 |
| 1991-08-26 | Jimmy Key | L | 30 | W 5-2 | @ BAL | 26 | 210 | W | 6.0 | 7 | 2 | 1 | 1 | 1 | 2 | 103 | 45 | 58 | 56% | 13-9 | 3.00 | 1.22 |
| 1991-08-27 | Juan Guzman | R | 25 | W 6-1 | @ BAL | 15 | 15 | W | 9.0 | 5 | 1 | 1 | 0 | 0 | 8 | 112 | 35 | 77 | 69% | 5-2 | 3.31 | 1.24 |
| 1991-08-28 | Tom Candiotti | R | 34 | W 3-0 | @ BAL | 27 | 198 | W | 8.0 | 1 | 0 | 0 | 0 | 1 | 4 | 113 | 42 | 71 | 63% | 11-11 | 2.39 | 1.12 |
| 1991-08-29 | David Wells | L | 28 | W 6-2 | @ NYA | 26 | 53 | W | 9.0 | 8 | 2 | 1 | 1 | 0 | 5 | 117 | 39 | 78 | 67% | 13-9 | 3.61 | 1.18 |
| 1991-08-30 | Todd Stottlemyre | R | 26 | L 2-9 | @ NYA | 27 | 94 | L | 5.0 | 9 | 6 | 6 | 2 | 1 | 3 | 82 | 28 | 54 | 66% | 12-6 | 3.78 | 1.26 |
| 1991-08-31 | Jimmy Key | L | 30 | W 5-0 | @ NYA | 27 | 211 | W | 5.0 | 2 | 0 | 0 | 0 | 1 | 2 | 67 | 33 | 34 | 51% | 14-9 | 2.91 | 1.20 |
| 1991-09-01 | Juan Guzman | R | 25 | L 2-4 | @ NYA | 16 | 16 | - | 6.0 | 5 | 1 | 1 | 0 | 1 | 5 | 89 | 27 | 62 | 70% | 5-2 | 3.19 | 1.23 |
| 1991-09-02 | Tom Candiotti | R | 34 | L 5-4 | vs BAL | 28 | 199 | - | 7.0 | 9 | 4 | 2 | 1 | 3 | 8 | 135 | 62 | 73 | 54% | 11-11 | 2.39 | 1.14 |
| 1991-09-03 | David Wells | L | 28 | W 4-8 | vs BAL | 27 | 54 | L | 5.1 | 9 | 4 | 4 | 1 | 1 | 3 | 89 | 27 | 62 | 70% | 13-10 | 3.72 | 1.20 |
| 1991-09-04 | Todd Stottlemyre | R | 26 | L 3-1 | vs BAL | 28 | 95 | W | 7.0 | 4 | 1 | 1 | 0 | 2 | 1 | 91 | 38 | 53 | 58% | 13-6 | 3.69 | 1.25 |
| 1991-09-05 | Jimmy Key | L | 30 | W 13-1 | @ CLE | 28 | 212 | W | 7.2 | 8 | 1 | 1 | 0 | 1 | 4 | 119 | 42 | 77 | 65% | 15-9 | 2.85 | 1.21 |
| 1991-09-06 | Juan Guzman | R | 25 | W 7-4 | @ CLE | 17 | 17 | W | 7.0 | 2 | 0 | 0 | 0 | 4 | 6 | 108 | 42 | 66 | 61% | 6-2 | 2.97 | 1.20 |
| 1991-09-07 | Tom Candiotti | R | 34 | W 4-1 | @ CLE | 29 | 200 | W | 9.0 | 5 | 1 | 1 | 1 | 1 | 1 | 123 | 48 | 75 | 61% | 12-11 | 2.33 | 1.12 |
| 1991-09-08 | David Wells | L | 28 | W 11-5 | @ CLE | 28 | 55 | W | 7.2 | 7 | 4 | 4 | 0 | 0 | 3 | 96 | 33 | 63 | 66% | 14-10 | 3.75 | 1.19 |
| 1991-09-10 | Todd Stottlemyre | R | 26 | W 4-5 | vs SEA | 29 | 96 | L | 7.1 | 4 | 5 | 5 | 2 | 0 | 3 | 101 | 39 | 62 | 61% | 13-7 | 3.77 | 1.21 |
| 1991-09-11 | Jimmy Key | L | 30 | W 3-7 | vs SEA | 29 | 213 | L | 2.0 | 5 | 5 | 5 | 1 | 2 | 3 | 44 | 18 | 26 | 59% | 15-10 | 3.07 | 1.23 |
| 1991-09-13 | Juan Guzman | R | 25 | L 7-6 | vs OAK | 18 | 18 | W | 6.1 | 7 | 6 | 6 | 1 | 4 | 10 | 117 | 41 | 76 | 65% | 7-2 | 3.28 | 1.22 |
| 1991-09-14 | Tom Candiotti | R | 34 | L 6-0 | vs OAK | 30 | 201 | W | 7.0 | 5 | 0 | 0 | 0 | 2 | 5 | 116 | 50 | 66 | 57% | 13-11 | 2.26 | 1.11 |
| 1991-09-15 | Todd Stottlemyre | R | 26 | W 5-10 | vs OAK | 30 | 97 | L | 5.0 | 6 | 5 | 5 | 1 | 0 | 4 | 72 | 23 | 49 | 68% | 13-8 | 3.90 | 1.21 |
| 1991-09-16 | Jimmy Key | L | 30 | L 5-6 | @ SEA | 30 | 214 | - | 5.0 | 5 | 2 | 2 | 1 | 1 | 0 | 75 | 31 | 44 | 59% | 15-10 | 3.08 | 1.23 |
| 1991-09-17 | Juan Guzman | R | 25 | L 4-5 | @ SEA | 19 | 19 | - | 6.0 | 8 | 3 | 3 | 0 | 3 | 1 | 103 | 43 | 60 | 58% | 7-2 | 3.35 | 1.26 |
| 1991-09-18 | Tom Candiotti | R | 34 | W 5-3 | @ SEA | 31 | 202 | - | 7.2 | 5 | 1 | 1 | 0 | 3 | 4 | 111 | 50 | 61 | 55% | 13-11 | 2.23 | 1.12 |
| 1991-09-20 | Todd Stottlemyre | R | 26 | L 5-6 | @ OAK | 31 | 98 | - | 4.2 | 3 | 5 | 5 | 1 | 6 | 3 | 107 | 50 | 57 | 53% | 13-8 | 4.05 | 1.24 |
| 1991-09-21 | Jimmy Key | L | 30 | L 0-4 | @ OAK | 31 | 215 | L | 7.2 | 4 | 4 | 4 | 0 | 3 | 7 | 102 | 37 | 65 | 64% | 15-11 | 3.14 | 1.22 |
| 1991-09-22 | Juan Guzman | R | 25 | W 3-2 | @ OAK | 20 | 20 | W | 8.0 | 2 | 2 | 0 | 0 | 4 | 7 | 124 | 48 | 76 | 61% | 8-2 | 3.12 | 1.22 |
| 1991-09-23 | Tom Candiotti | R | 34 | L 9-10 | @ CAL | 32 | 203 | L | 0.2 | 6 | 7 | 7 | 0 | 1 | 1 | 52 | 18 | 34 | 65% | 13-12 | 2.50 | 1.14 |
| 1991-09-24 | Todd Stottlemyre | R | 26 | W 3-0 | @ CAL | 32 | 99 | - | 7.1 | 5 | 0 | 0 | 0 | 2 | 3 | 100 | 38 | 62 | 62% | 13-8 | 3.89 | 1.22 |
| 1991-09-25 | Jimmy Key | L | 30 | W 7-2 | @ CAL | 32 | 216 | W | 7.0 | 6 | 2 | 1 | 0 | 1 | 2 | 112 | 45 | 67 | 60% | 16-11 | 3.07 | 1.21 |
| 1991-09-27 | Juan Guzman | R | 25 | L 7-2 | vs MIN | 21 | 21 | W | 8.0 | 3 | 2 | 2 | 1 | 3 | 9 | 117 | 43 | 74 | 63% | 9-2 | 3.07 | 1.19 |
| 1991-09-28 | Tom Candiotti | R | 34 | W 0-5 | vs MIN | 33 | 204 | L | 4.2 | 3 | 4 | 4 | 0 | 4 | 2 | 78 | 38 | 40 | 51% | 13-13 | 2.60 | 1.15 |
| 1991-09-29 | Todd Stottlemyre | R | 26 | L 2-1 | vs MIN | 33 | 100 | W | 6.1 | 4 | 1 | 1 | 0 | 3 | 0 | 97 | 42 | 55 | 57% | 14-8 | 3.83 | 1.22 |
| 1991-09-30 | Jimmy Key | L | 30 | W 1-2 | vs CAL | 33 | 217 | L | 7.1 | 6 | 2 | 2 | 0 | 1 | 4 | 102 | 36 | 66 | 65% | 16-12 | 3.06 | 1.20 |
| 1991-10-01 | Juan Guzman | R | 25 | L 5-2 | vs CAL | 22 | 22 | W | 7.0 | 5 | 1 | 1 | 0 | 1 | 6 | 119 | 41 | 78 | 66% | 10-2 | 2.98 | 1.18 |
| 1991-10-02 | Tom Candiotti | R | 34 | L 6-5 | vs CAL | 34 | 205 | - | 6.1 | 7 | 3 | 3 | 0 | 2 | 2 | 108 | 47 | 61 | 56% | 13-13 | 2.65 | 1.16 |
| 1991-10-04 | Todd Stottlemyre | R | 26 | W 4-1 | @ MIN | 34 | 101 | W | 5.0 | 6 | 1 | 1 | 0 | 2 | 5 | 73 | 27 | 46 | 63% | 15-8 | 3.78 | 1.23 |
| 1991-10-05 | Juan Guzman | R | 25 | L 1-3 | @ MIN | 23 | 23 | L | 3.0 | 3 | 1 | 1 | 0 | 1 | 2 | 43 | 19 | 24 | 56% | 10-3 | 2.98 | 1.18 |
| 1991-10-06 | Pat Hentgen | R | 23 | W 3-2 | @ MIN | 1 | 1 | - | 5.0 | 3 | 1 | 1 | 1 | 1 | 2 | 73 | 25 | 48 | 66% | 0-0 | 2.57 | 1.14 |