| West | W | L | Pct | GB |
| Oakland | 99 | 63 | .611 | -- |
| KC Royals | 92 | 70 | .568 | 7.0 |
| California | 91 | 71 | .562 | 8.0 |
| Texas | 83 | 79 | .512 | 16.0 |
| Minnesota | 80 | 82 | .494 | 19.0 |
| Seattle | 73 | 89 | .451 | 26.0 |
| Chi White Sox | 69 | 92 | .429 | 29.5 |
| 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 |
| 1989-04-04 | Charlie Hough | R | 41 | L 4-0 | vs DET | 1 | 268 | W | 9.0 | 5 | 0 | 0 | 0 | 2 | 5 | 128 | 51 | 77 | 60% | 1-0 | 0.00 | 0.78 |
| 1989-04-06 | Nolan Ryan | R | 42 | L 5-4 | vs DET | 1 | 645 | - | 5.0 | 7 | 4 | 3 | 0 | 3 | 8 | 107 | 39 | 68 | 64% | 0-0 | 5.40 | 2.00 |
| 1989-04-07 | Bobby Witt | R | 25 | W 9-10 | vs TOR | 1 | 79 | - | 2.0 | 5 | 7 | 2 | 1 | 2 | 2 | 63 | 27 | 36 | 57% | 0-0 | 9.00 | 3.50 |
| 1989-04-08 | Jamie Moyer | L | 26 | L 5-4 | vs TOR | 1 | 80 | W | 8.0 | 4 | 4 | 4 | 1 | 3 | 13 | 126 | 46 | 80 | 63% | 1-0 | 4.50 | 0.88 |
| 1989-04-09 | Kevin Brown | R | 24 | L 3-2 | vs TOR | 1 | 6 | - | 7.1 | 4 | 2 | 1 | 0 | 5 | 5 | 128 | 55 | 73 | 57% | 0-0 | 1.29 | 1.29 |
| 1989-04-10 | Charlie Hough | R | 41 | W 6-4 | @ MIL | 2 | 269 | - | 1.2 | 3 | 4 | 4 | 1 | 3 | 0 | 47 | 28 | 19 | 40% | 1-0 | 3.27 | 1.18 |
| 1989-04-12 | Nolan Ryan | R | 42 | W 8-1 | @ MIL | 2 | 646 | W | 8.0 | 1 | 0 | 0 | 0 | 2 | 15 | 135 | 51 | 84 | 62% | 1-0 | 2.08 | 1.00 |
| 1989-04-13 | Bobby Witt | R | 25 | W 6-1 | @ MIL | 2 | 80 | W | 8.0 | 7 | 1 | 1 | 0 | 2 | 8 | 116 | 48 | 68 | 59% | 1-0 | 2.70 | 1.60 |
| 1989-04-14 | Jamie Moyer | L | 26 | W 4-2 | @ DET | 2 | 81 | W | 7.0 | 8 | 2 | 2 | 1 | 4 | 5 | 124 | 53 | 71 | 57% | 2-0 | 3.60 | 1.27 |
| 1989-04-15 | Kevin Brown | R | 24 | W 4-1 | @ DET | 2 | 7 | W | 9.0 | 7 | 1 | 0 | 0 | 1 | 5 | 111 | 42 | 69 | 62% | 1-0 | 0.56 | 1.06 |
| 1989-04-16 | Charlie Hough | R | 41 | W 9-6 | @ DET | 3 | 270 | W | 5.1 | 5 | 5 | 4 | 2 | 6 | 3 | 129 | 66 | 63 | 49% | 2-0 | 4.50 | 1.50 |
| 1989-04-17 | Nolan Ryan | R | 42 | W 1-8 | vs MIL | 3 | 647 | L | 5.0 | 7 | 3 | 3 | 0 | 6 | 3 | 102 | 45 | 57 | 56% | 1-1 | 3.00 | 1.44 |
| 1989-04-18 | Bobby Witt | R | 25 | L 6-2 | vs MIL | 3 | 81 | W | 9.0 | 4 | 2 | 2 | 2 | 4 | 5 | 109 | 40 | 69 | 63% | 2-0 | 2.37 | 1.26 |
| 1989-04-19 | Jamie Moyer | L | 26 | L 5-1 | vs MIL | 3 | 82 | W | 6.1 | 5 | 1 | 1 | 1 | 1 | 2 | 90 | 39 | 51 | 57% | 3-0 | 3.00 | 1.19 |
| 1989-04-21 | Kevin Brown | R | 24 | L 3-6 | @ TOR | 3 | 8 | L | 4.1 | 5 | 6 | 5 | 1 | 5 | 1 | 89 | 43 | 46 | 52% | 1-1 | 2.57 | 1.29 |
| 1989-04-22 | Charlie Hough | R | 41 | L 2-4 | @ TOR | 4 | 271 | L | 7.0 | 8 | 4 | 2 | 0 | 1 | 2 | 93 | 35 | 58 | 62% | 2-1 | 3.91 | 1.43 |
| 1989-04-23 | Nolan Ryan | R | 42 | W 4-1 | @ TOR | 4 | 648 | W | 9.0 | 1 | 1 | 1 | 0 | 3 | 12 | 133 | 51 | 82 | 62% | 2-1 | 2.33 | 1.11 |
| 1989-04-25 | Bobby Witt | R | 25 | W 11-7 | @ CLE | 4 | 82 | W | 5.0 | 7 | 7 | 7 | 0 | 5 | 4 | 99 | 44 | 55 | 56% | 3-0 | 4.50 | 1.50 |
| 1989-04-26 | Jamie Moyer | L | 26 | W 3-2 | @ CLE | 4 | 83 | - | 6.1 | 4 | 0 | 0 | 0 | 4 | 3 | 114 | 50 | 64 | 56% | 3-0 | 2.25 | 1.18 |
| 1989-04-28 | Kevin Brown | R | 24 | L 7-6 | vs BOS | 4 | 9 | - | 2.1 | 4 | 6 | 6 | 1 | 4 | 3 | 65 | 29 | 36 | 55% | 1-1 | 4.70 | 1.52 |
| 1989-04-29 | Charlie Hough | R | 41 | W 5-8 | vs BOS | 5 | 272 | L | 8.1 | 9 | 7 | 7 | 2 | 4 | 5 | 135 | 50 | 85 | 63% | 2-2 | 4.94 | 1.48 |
| 1989-04-30 | Nolan Ryan | R | 42 | L 2-1 | vs BOS | 5 | 649 | W | 8.0 | 3 | 1 | 1 | 0 | 4 | 11 | 136 | 58 | 78 | 57% | 3-1 | 2.06 | 1.06 |
| 1989-05-01 | Bobby Witt | R | 25 | W 1-11 | vs CLE | 5 | 83 | L | 6.0 | 6 | 6 | 4 | 0 | 4 | 3 | 93 | 36 | 57 | 61% | 3-1 | 4.80 | 1.53 |
| 1989-05-02 | Jamie Moyer | L | 26 | W 3-8 | vs CLE | 5 | 84 | L | 5.1 | 7 | 4 | 4 | 1 | 3 | 5 | 103 | 45 | 58 | 56% | 3-1 | 3.00 | 1.30 |
| 1989-05-03 | Kevin Brown | R | 24 | L 4-1 | vs NYA | 5 | 10 | W | 9.0 | 2 | 1 | 0 | 0 | 3 | 2 | 105 | 44 | 61 | 58% | 2-1 | 3.38 | 1.25 |
| 1989-05-04 | Charlie Hough | R | 41 | W 7-11 | vs NYA | 6 | 273 | L | 0.2 | 4 | 4 | 4 | 0 | 2 | 0 | 35 | 17 | 18 | 51% | 2-3 | 5.91 | 1.63 |
| 1989-05-05 | Nolan Ryan | R | 42 | L 6-7 | @ BOS | 6 | 650 | L | 6.1 | 8 | 5 | 4 | 2 | 3 | 3 | 130 | 52 | 78 | 60% | 3-2 | 2.63 | 1.17 |
| 1989-05-06 | Bobby Witt | R | 25 | L 0-7 | @ BOS | 6 | 84 | L | 7.0 | 13 | 7 | 7 | 0 | 5 | 6 | 149 | 63 | 86 | 58% | 3-2 | 5.59 | 1.73 |
| 1989-05-07 | Jamie Moyer | L | 26 | L 5-9 | @ BOS | 6 | 85 | L | 2.2 | 4 | 5 | 3 | 0 | 4 | 0 | 84 | 40 | 44 | 52% | 3-2 | 3.50 | 1.42 |
| 1989-05-08 | Kevin Brown | R | 24 | W 13-2 | @ NYA | 6 | 11 | W | 7.0 | 7 | 2 | 2 | 0 | 1 | 3 | 98 | 36 | 62 | 63% | 3-1 | 3.23 | 1.23 |
| 1989-05-09 | Charlie Hough | R | 41 | L 3-5 | @ NYA | 7 | 274 | L | 4.1 | 6 | 5 | 5 | 1 | 9 | 3 | 115 | 62 | 53 | 46% | 2-4 | 6.50 | 1.86 |
| 1989-05-11 | Nolan Ryan | R | 42 | W 6-3 | @ KCA | 7 | 651 | W | 9.0 | 5 | 3 | 3 | 0 | 2 | 11 | 145 | 48 | 97 | 67% | 4-2 | 2.70 | 1.10 |
| 1989-05-12 | Bobby Witt | R | 25 | L 3-4 | @ KCA | 7 | 85 | L | 8.0 | 9 | 4 | 4 | 0 | 2 | 5 | 114 | 44 | 70 | 61% | 3-3 | 5.40 | 1.67 |
| 1989-05-13 | Jamie Moyer | L | 27 | L 1-4 | @ KCA | 7 | 86 | L | 5.2 | 9 | 4 | 4 | 1 | 2 | 1 | 88 | 32 | 56 | 64% | 3-3 | 3.95 | 1.51 |
| 1989-05-14 | Kevin Brown | R | 24 | L 2-3 | @ KCA | 7 | 12 | - | 6.0 | 5 | 2 | 2 | 0 | 2 | 4 | 84 | 35 | 49 | 58% | 3-1 | 3.20 | 1.22 |
| 1989-05-17 | Charlie Hough | R | 41 | W 2-8 | vs BAL | 8 | 275 | L | 4.1 | 9 | 4 | 4 | 0 | 1 | 3 | 83 | 33 | 50 | 60% | 2-5 | 6.59 | 1.88 |
| 1989-05-18 | Nolan Ryan | R | 42 | L 6-5 | vs MIN | 8 | 652 | - | 9.0 | 6 | 5 | 4 | 1 | 3 | 10 | 134 | 55 | 79 | 59% | 4-2 | 2.90 | 1.08 |
| 1989-05-19 | Jamie Moyer | L | 27 | L 4-2 | vs MIN | 8 | 87 | - | 5.0 | 5 | 2 | 2 | 0 | 1 | 4 | 102 | 40 | 62 | 61% | 3-3 | 3.91 | 1.48 |
| 1989-05-20 | Bobby Witt | R | 25 | W 3-19 | vs MIN | 8 | 86 | L | 6.1 | 8 | 8 | 8 | 2 | 3 | 6 | 102 | 31 | 71 | 70% | 3-4 | 6.18 | 1.69 |
| 1989-05-21 | Kevin Brown | R | 24 | W 1-6 | vs MIN | 8 | 13 | - | 7.1 | 5 | 1 | 1 | 0 | 8 | 1 | 123 | 63 | 60 | 49% | 3-1 | 2.94 | 1.31 |
| 1989-05-22 | Charlie Hough | R | 41 | L 4-1 | vs KCA | 9 | 276 | W | 5.2 | 4 | 1 | 0 | 0 | 2 | 4 | 84 | 32 | 52 | 62% | 3-5 | 5.87 | 1.80 |
| 1989-05-23 | Nolan Ryan | R | 42 | L 10-8 | vs KCA | 9 | 653 | W | 6.0 | 7 | 5 | 5 | 1 | 4 | 6 | 110 | 43 | 67 | 61% | 5-2 | 3.32 | 1.15 |
| 1989-05-24 | Jamie Moyer | L | 27 | W 4-6 | vs KCA | 9 | 88 | L | 3.2 | 4 | 4 | 4 | 0 | 3 | 2 | 64 | 32 | 32 | 50% | 3-4 | 4.32 | 1.50 |
| 1989-05-26 | Bobby Witt | R | 25 | W 5-3 | @ MIN | 9 | 87 | W | 5.2 | 4 | 3 | 2 | 0 | 4 | 5 | 103 | 43 | 60 | 58% | 4-4 | 5.84 | 1.65 |
| 1989-05-27 | Kevin Brown | R | 24 | W 5-3 | @ MIN | 9 | 14 | W | 9.0 | 6 | 3 | 3 | 0 | 1 | 7 | 129 | 46 | 83 | 64% | 4-1 | 2.95 | 1.23 |
| 1989-05-28 | Charlie Hough | R | 41 | W 8-6 | @ MIN | 10 | 277 | - | 6.0 | 7 | 5 | 4 | 0 | 4 | 5 | 114 | 52 | 62 | 54% | 3-5 | 5.88 | 1.81 |
| 1989-05-29 | Nolan Ryan | R | 42 | L 1-6 | @ BAL | 10 | 654 | L | 6.0 | 8 | 5 | 4 | 3 | 3 | 10 | 127 | 46 | 81 | 64% | 5-3 | 3.55 | 1.21 |
| 1989-05-30 | Jamie Moyer | L | 27 | L 2-6 | @ BAL | 10 | 89 | L | 3.1 | 3 | 3 | 2 | 0 | 0 | 2 | 40 | 17 | 23 | 58% | 3-5 | 4.42 | 1.47 |
| 1989-05-31 | Bobby Witt | R | 25 | L 5-8 | @ BAL | 10 | 88 | L | 5.0 | 7 | 6 | 6 | 0 | 5 | 4 | 116 | 52 | 64 | 55% | 4-5 | 6.24 | 1.71 |
| 1989-06-01 | Kevin Brown | R | 24 | L 2-3 | @ SEA | 10 | 15 | L | 8.1 | 7 | 3 | 3 | 2 | 2 | 4 | 125 | 46 | 79 | 63% | 4-2 | 2.96 | 1.20 |
| 1989-06-02 | Mike Jeffcoat | L | 30 | W 9-5 | @ SEA | 1 | 9 | W | 5.1 | 7 | 3 | 3 | 0 | 1 | 2 | 80 | 27 | 53 | 66% | 1-0 | 5.40 | 1.60 |
| 1989-06-03 | Nolan Ryan | R | 42 | W 6-1 | @ SEA | 11 | 655 | W | 9.0 | 1 | 1 | 0 | 0 | 2 | 11 | 115 | 42 | 73 | 63% | 6-3 | 3.15 | 1.11 |
| 1989-06-04 | Charlie Hough | R | 41 | L 1-2 | @ SEA | 11 | 278 | L | 7.0 | 7 | 2 | 2 | 2 | 3 | 2 | 124 | 50 | 74 | 60% | 3-6 | 5.49 | 1.76 |
| 1989-06-05 | Bobby Witt | R | 25 | L 4-2 | vs CHA | 11 | 89 | W | 7.0 | 7 | 2 | 1 | 1 | 1 | 5 | 103 | 40 | 63 | 61% | 5-5 | 5.74 | 1.65 |
| 1989-06-06 | Kevin Brown | R | 24 | L 3-1 | vs CHA | 11 | 16 | W | 8.2 | 3 | 1 | 1 | 0 | 3 | 6 | 126 | 50 | 76 | 60% | 5-2 | 2.77 | 1.15 |
| 1989-06-07 | Mike Jeffcoat | L | 30 | W 4-6 | vs CHA | 2 | 10 | - | 3.2 | 6 | 2 | 2 | 0 | 1 | 4 | 66 | 22 | 44 | 67% | 1-0 | 5.00 | 1.67 |
| 1989-06-08 | Nolan Ryan | R | 42 | L 11-7 | vs CHA | 12 | 656 | W | 8.0 | 6 | 6 | 6 | 4 | 1 | 7 | 113 | 39 | 74 | 65% | 7-3 | 3.48 | 1.09 |
| 1989-06-09 | Charlie Hough | R | 41 | L 11-8 | vs OAK | 12 | 279 | - | 3.0 | 5 | 6 | 6 | 1 | 4 | 1 | 68 | 33 | 35 | 51% | 3-6 | 6.10 | 1.82 |
| 1989-06-10 | Bobby Witt | R | 25 | W 1-5 | vs OAK | 12 | 90 | L | 7.1 | 7 | 5 | 5 | 0 | 7 | 4 | 134 | 59 | 75 | 56% | 5-6 | 5.80 | 1.68 |
| 1989-06-11 | Kevin Brown | R | 24 | W 1-5 | vs OAK | 12 | 17 | L | 7.0 | 7 | 4 | 4 | 2 | 2 | 4 | 113 | 42 | 71 | 63% | 5-3 | 2.96 | 1.16 |
| 1989-06-12 | Mike Jeffcoat | L | 30 | L 4-0 | vs CAL | 3 | 11 | W | 9.0 | 5 | 0 | 0 | 0 | 2 | 5 | 127 | 49 | 78 | 61% | 2-0 | 2.50 | 1.22 |
| 1989-06-14 | Nolan Ryan | R | 42 | L 5-1 | vs CAL | 13 | 657 | W | 8.2 | 7 | 1 | 1 | 0 | 2 | 8 | 141 | 58 | 83 | 59% | 8-3 | 3.25 | 1.08 |
| 1989-06-14 | Charlie Hough | R | 41 | L 6-3 | vs CAL | 13 | 280 | W | 7.0 | 3 | 0 | 0 | 0 | 1 | 4 | 80 | 23 | 57 | 71% | 4-6 | 5.48 | 1.70 |
| 1989-06-16 | Bobby Witt | R | 25 | L 3-8 | @ NYA | 13 | 91 | L | 5.2 | 7 | 6 | 6 | 1 | 5 | 2 | 97 | 46 | 51 | 53% | 5-7 | 6.04 | 1.71 |
| 1989-06-16 | Kevin Brown | R | 24 | L 1-6 | @ NYA | 13 | 18 | L | 5.2 | 9 | 4 | 4 | 0 | 1 | 2 | 91 | 37 | 54 | 59% | 5-4 | 3.16 | 1.20 |
| 1989-06-17 | Mike Jeffcoat | L | 30 | L 3-5 | @ NYA | 4 | 12 | L | 5.1 | 10 | 4 | 4 | 1 | 1 | 1 | 90 | 31 | 59 | 66% | 2-1 | 3.52 | 1.43 |
| 1989-06-18 | Charlie Hough | R | 41 | W 5-2 | @ NYA | 14 | 281 | W | 8.0 | 4 | 1 | 1 | 1 | 1 | 1 | 115 | 43 | 72 | 63% | 5-6 | 5.03 | 1.58 |
| 1989-06-20 | Nolan Ryan | R | 42 | L 3-6 | @ BOS | 14 | 658 | - | 7.0 | 4 | 0 | 0 | 0 | 3 | 6 | 115 | 50 | 65 | 57% | 8-3 | 3.03 | 1.08 |
| 1989-06-21 | Bobby Witt | R | 25 | W 10-3 | @ BOS | 14 | 92 | - | 4.0 | 7 | 3 | 3 | 0 | 2 | 5 | 85 | 35 | 50 | 59% | 5-7 | 6.07 | 1.73 |
| 1989-06-22 | Kevin Brown | R | 24 | W 9-1 | @ BOS | 14 | 19 | W | 9.0 | 5 | 1 | 1 | 0 | 2 | 3 | 130 | 54 | 76 | 58% | 6-4 | 2.97 | 1.16 |
| 1989-06-23 | Mike Jeffcoat | L | 30 | L 4-0 | vs CLE | 5 | 13 | W | 9.0 | 4 | 0 | 0 | 0 | 2 | 3 | 126 | 42 | 84 | 67% | 3-1 | 2.53 | 1.22 |
| 1989-06-24 | Charlie Hough | R | 41 | W 3-7 | vs CLE | 15 | 282 | L | 7.2 | 5 | 6 | 6 | 5 | 2 | 9 | 138 | 52 | 86 | 62% | 5-7 | 5.19 | 1.52 |
| 1989-06-25 | Nolan Ryan | R | 42 | L 4-2 | vs CLE | 15 | 659 | W | 8.1 | 3 | 2 | 2 | 1 | 1 | 7 | 99 | 32 | 67 | 68% | 9-3 | 2.97 | 1.04 |
| 1989-06-26 | Bobby Witt | R | 25 | W 3-4 | vs CLE | 15 | 93 | L | 0.2 | 3 | 2 | 2 | 0 | 1 | 1 | 25 | 12 | 13 | 52% | 5-8 | 6.21 | 1.76 |
| 1989-06-27 | Kevin Brown | R | 24 | W 5-1 | @ CHA | 15 | 20 | W | 8.1 | 6 | 1 | 1 | 0 | 1 | 3 | 121 | 45 | 76 | 63% | 7-4 | 2.83 | 1.14 |
| 1989-06-28 | Mike Jeffcoat | L | 30 | W 10-5 | @ CHA | 6 | 14 | W | 7.0 | 8 | 5 | 3 | 0 | 3 | 5 | 118 | 51 | 67 | 57% | 4-1 | 2.77 | 1.28 |
| 1989-06-29 | Charlie Hough | R | 41 | W 0-2 | vs SEA | 16 | 283 | L | 9.0 | 11 | 2 | 2 | 0 | 2 | 2 | 130 | 50 | 80 | 62% | 5-8 | 4.88 | 1.51 |
| 1989-06-30 | Nolan Ryan | R | 42 | W 3-4 | vs SEA | 16 | 660 | L | 5.1 | 5 | 4 | 4 | 1 | 3 | 8 | 100 | 42 | 58 | 58% | 9-4 | 3.13 | 1.05 |
| 1989-07-01 | Bobby Witt | R | 25 | L 1-0 | vs SEA | 16 | 94 | W | 7.2 | 2 | 0 | 0 | 0 | 3 | 7 | 130 | 53 | 77 | 59% | 6-8 | 5.74 | 1.68 |
| 1989-07-03 | Mike Jeffcoat | L | 30 | L 2-5 | @ CAL | 7 | 15 | L | 2.2 | 4 | 3 | 3 | 0 | 3 | 2 | 60 | 29 | 31 | 52% | 4-2 | 3.21 | 1.36 |
| 1989-07-04 | Kevin Brown | R | 24 | L 2-5 | @ CAL | 16 | 21 | L | 8.2 | 6 | 5 | 5 | 2 | 1 | 7 | 127 | 48 | 79 | 62% | 7-5 | 3.00 | 1.11 |
| 1989-07-05 | Charlie Hough | R | 41 | L 1-2 | @ CAL | 17 | 284 | L | 7.1 | 5 | 2 | 2 | 0 | 2 | 5 | 110 | 43 | 67 | 61% | 5-9 | 4.72 | 1.48 |
| 1989-07-06 | Nolan Ryan | R | 42 | W 3-0 | @ CAL | 17 | 661 | W | 9.0 | 3 | 0 | 0 | 0 | 2 | 12 | 126 | 43 | 83 | 66% | 10-4 | 2.91 | 1.02 |
| 1989-07-07 | Bobby Witt | R | 25 | W 6-3 | @ OAK | 17 | 95 | W | 7.0 | 4 | 3 | 3 | 1 | 4 | 3 | 109 | 46 | 63 | 58% | 7-8 | 5.61 | 1.64 |
| 1989-07-08 | Kevin Brown | R | 24 | W 5-4 | @ OAK | 17 | 22 | - | 7.0 | 4 | 1 | 1 | 0 | 3 | 2 | 104 | 46 | 58 | 56% | 7-5 | 2.90 | 1.10 |
| 1989-07-09 | Charlie Hough | R | 42 | L 1-7 | @ OAK | 18 | 285 | L | 6.1 | 5 | 7 | 5 | 1 | 5 | 6 | 121 | 53 | 68 | 56% | 5-10 | 4.83 | 1.47 |
| 1989-07-13 | Bobby Witt | R | 25 | W 9-3 | @ CLE | 18 | 96 | - | 8.2 | 6 | 3 | 3 | 0 | 5 | 6 | 142 | 57 | 85 | 60% | 7-8 | 5.40 | 1.61 |
| 1989-07-14 | Charlie Hough | R | 42 | L 5-11 | @ CLE | 19 | 286 | - | 5.0 | 5 | 5 | 4 | 3 | 4 | 7 | 110 | 49 | 61 | 55% | 5-10 | 4.94 | 1.49 |
| 1989-07-15 | Nolan Ryan | R | 42 | L 1-7 | @ CLE | 18 | 662 | L | 5.1 | 7 | 7 | 7 | 0 | 6 | 7 | 131 | 59 | 72 | 55% | 10-5 | 3.27 | 1.08 |
| 1989-07-16 | Kevin Brown | R | 24 | L 5-11 | @ CLE | 18 | 23 | L | 5.0 | 9 | 8 | 5 | 0 | 4 | 3 | 111 | 46 | 65 | 59% | 7-6 | 3.14 | 1.16 |
| 1989-07-17 | Mike Jeffcoat | L | 30 | L 12-6 | vs BOS | 8 | 16 | - | 4.0 | 9 | 6 | 6 | 0 | 2 | 1 | 75 | 26 | 49 | 65% | 4-2 | 4.11 | 1.48 |
| 1989-07-18 | Bobby Witt | R | 25 | L 8-1 | vs BOS | 19 | 97 | W | 9.0 | 2 | 1 | 1 | 0 | 6 | 8 | 136 | 55 | 81 | 60% | 8-8 | 5.07 | 1.55 |
| 1989-07-19 | Charlie Hough | R | 42 | W 0-4 | vs BOS | 20 | 287 | L | 4.2 | 9 | 4 | 4 | 1 | 2 | 1 | 86 | 34 | 52 | 60% | 5-11 | 5.08 | 1.53 |
| 1989-07-20 | Nolan Ryan | R | 42 | L 6-2 | vs NYA | 19 | 663 | W | 7.1 | 5 | 2 | 2 | 0 | 0 | 11 | 101 | 32 | 69 | 68% | 11-5 | 3.24 | 1.06 |
| 1989-07-21 | Kevin Brown | R | 24 | L 5-2 | vs NYA | 19 | 24 | W | 9.0 | 4 | 2 | 1 | 0 | 3 | 4 | 104 | 41 | 63 | 61% | 8-6 | 3.00 | 1.14 |
| 1989-07-22 | Mike Jeffcoat | L | 30 | L 2-1 | vs NYA | 9 | 17 | W | 6.0 | 6 | 1 | 1 | 0 | 1 | 5 | 97 | 27 | 70 | 72% | 5-2 | 3.81 | 1.44 |
| 1989-07-23 | Bobby Witt | R | 25 | L 5-4 | vs NYA | 20 | 98 | W | 10.0 | 4 | 4 | 4 | 1 | 2 | 11 | 131 | 47 | 84 | 64% | 9-8 | 4.95 | 1.48 |
| 1989-07-24 | Wilson Alvarez | L | 19 | W 3-6 | vs TOR | 1 | 1 | L | 0.0 | 3 | 3 | 3 | 2 | 2 | 0 | 26 | 12 | 14 | 54% | 0-1 | -- | -- |
| 1989-07-25 | Nolan Ryan | R | 42 | W 0-4 | vs TOR | 20 | 664 | L | 6.0 | 6 | 3 | 2 | 0 | 3 | 14 | 132 | 52 | 80 | 61% | 11-6 | 3.23 | 1.08 |
| 1989-07-26 | Kevin Brown | R | 24 | L 11-1 | vs TOR | 20 | 25 | W | 8.0 | 7 | 1 | 1 | 0 | 0 | 4 | 96 | 27 | 69 | 72% | 9-6 | 2.90 | 1.12 |
| 1989-07-28 | Mike Jeffcoat | L | 30 | W 3-15 | vs MIL | 10 | 18 | L | 4.1 | 6 | 6 | 6 | 0 | 1 | 0 | 89 | 37 | 52 | 58% | 5-3 | 4.50 | 1.46 |
| 1989-07-29 | Bobby Witt | R | 25 | W 2-8 | vs MIL | 21 | 99 | L | 4.0 | 6 | 5 | 5 | 0 | 3 | 4 | 88 | 32 | 56 | 64% | 9-9 | 5.14 | 1.50 |
| 1989-07-30 | Nolan Ryan | R | 42 | L 9-3 | vs MIL | 21 | 665 | W | 7.1 | 4 | 3 | 3 | 1 | 0 | 10 | 130 | 43 | 87 | 67% | 12-6 | 3.24 | 1.05 |
| 1989-08-01 | Kevin Brown | R | 24 | W 4-3 | @ DET | 21 | 26 | W | 8.0 | 5 | 3 | 3 | 2 | 3 | 6 | 107 | 42 | 65 | 61% | 10-6 | 2.92 | 1.12 |
| 1989-08-02 | Mike Jeffcoat | L | 30 | L 4-6 | @ DET | 11 | 19 | L | 7.1 | 9 | 6 | 6 | 2 | 1 | 5 | 107 | 35 | 72 | 67% | 5-4 | 4.78 | 1.44 |
| 1989-08-03 | Bobby Witt | R | 25 | L 6-9 | @ DET | 22 | 100 | - | 5.0 | 2 | 3 | 3 | 1 | 4 | 7 | 88 | 42 | 46 | 52% | 9-9 | 5.15 | 1.49 |
| 1989-08-04 | Charlie Hough | R | 42 | W 6-4 | @ BAL | 21 | 288 | W | 7.2 | 4 | 2 | 2 | 1 | 5 | 1 | 150 | 67 | 83 | 55% | 6-11 | 4.90 | 1.50 |
| 1989-08-05 | Nolan Ryan | R | 43 | L 2-5 | @ BAL | 22 | 666 | L | 7.0 | 6 | 5 | 5 | 1 | 6 | 8 | 150 | 61 | 89 | 59% | 12-7 | 3.38 | 1.08 |
| 1989-08-06 | Kevin Brown | R | 24 | L 2-3 | @ BAL | 22 | 27 | - | 8.1 | 7 | 2 | 2 | 0 | 1 | 5 | 119 | 40 | 79 | 66% | 10-6 | 2.89 | 1.11 |
| 1989-08-07 | Mike Jeffcoat | L | 30 | L 1-2 | @ TOR | 12 | 20 | L | 7.1 | 4 | 2 | 0 | 0 | 2 | 4 | 94 | 40 | 54 | 57% | 5-5 | 4.31 | 1.38 |
| 1989-08-08 | Bobby Witt | R | 25 | L 0-7 | @ TOR | 23 | 101 | L | 4.2 | 5 | 6 | 6 | 2 | 3 | 5 | 95 | 36 | 59 | 62% | 9-10 | 5.35 | 1.50 |
| 1989-08-09 | Charlie Hough | R | 42 | W 4-3 | @ TOR | 22 | 289 | W | 6.0 | 5 | 3 | 3 | 1 | 4 | 3 | 119 | 55 | 64 | 54% | 7-11 | 4.88 | 1.50 |
| 1989-08-10 | Nolan Ryan | R | 43 | L 4-1 | vs DET | 23 | 667 | W | 8.1 | 2 | 1 | 1 | 0 | 6 | 13 | 148 | 55 | 93 | 63% | 13-7 | 3.27 | 1.07 |
| 1989-08-11 | Kevin Brown | R | 24 | L 7-3 | vs DET | 23 | 28 | W | 8.0 | 10 | 3 | 2 | 0 | 2 | 4 | 122 | 52 | 70 | 57% | 11-6 | 2.86 | 1.13 |
| 1989-08-12 | Mike Jeffcoat | L | 30 | W 5-6 | vs DET | 13 | 21 | - | 2.1 | 6 | 2 | 2 | 0 | 0 | 1 | 35 | 9 | 26 | 74% | 5-5 | 4.44 | 1.42 |
| 1989-08-13 | Bobby Witt | R | 25 | W 2-4 | vs DET | 24 | 102 | - | 7.0 | 6 | 2 | 2 | 0 | 4 | 6 | 109 | 46 | 63 | 58% | 9-10 | 5.22 | 1.49 |
| 1989-08-15 | Charlie Hough | R | 42 | L 0-2 | @ SEA | 23 | 290 | L | 8.0 | 1 | 2 | 1 | 0 | 5 | 3 | 130 | 60 | 70 | 54% | 7-12 | 4.66 | 1.46 |
| 1989-08-16 | Nolan Ryan | R | 43 | W 3-1 | @ SEA | 24 | 668 | W | 7.1 | 3 | 1 | 1 | 0 | 4 | 8 | 119 | 54 | 65 | 55% | 14-7 | 3.19 | 1.07 |
| 1989-08-17 | Kevin Brown | R | 24 | L 1-6 | @ CHA | 24 | 29 | L | 4.1 | 9 | 4 | 4 | 0 | 1 | 2 | 75 | 25 | 50 | 67% | 11-7 | 2.98 | 1.15 |
| 1989-08-18 | Mike Jeffcoat | L | 30 | W 6-5 | @ CHA | 14 | 22 | W | 6.2 | 4 | 3 | 0 | 0 | 3 | 5 | 89 | 30 | 59 | 66% | 6-5 | 4.05 | 1.39 |
| 1989-08-19 | Bobby Witt | R | 25 | W 7-6 | @ CHA | 25 | 103 | W | 7.1 | 8 | 6 | 5 | 0 | 4 | 10 | 147 | 55 | 92 | 63% | 10-10 | 5.27 | 1.50 |
| 1989-08-20 | Charlie Hough | R | 42 | W 7-1 | @ CHA | 24 | 291 | W | 9.0 | 5 | 1 | 1 | 1 | 4 | 5 | 134 | 56 | 78 | 58% | 8-12 | 4.44 | 1.43 |
| 1989-08-22 | Nolan Ryan | R | 43 | W 0-2 | vs OAK | 25 | 669 | L | 9.0 | 5 | 2 | 1 | 0 | 2 | 13 | 135 | 47 | 88 | 65% | 14-8 | 3.08 | 1.05 |
| 1989-08-23 | Kevin Brown | R | 24 | W 4-5 | vs OAK | 25 | 30 | L | 6.0 | 10 | 5 | 5 | 0 | 4 | 5 | 122 | 49 | 73 | 60% | 11-8 | 3.13 | 1.19 |
| 1989-08-24 | Mike Jeffcoat | L | 30 | L 6-2 | vs OAK | 15 | 23 | W | 6.1 | 6 | 2 | 2 | 1 | 3 | 3 | 92 | 35 | 57 | 62% | 7-5 | 3.98 | 1.40 |
| 1989-08-25 | Bobby Witt | R | 25 | W 1-4 | vs CAL | 26 | 104 | L | 7.0 | 5 | 4 | 3 | 0 | 4 | 6 | 130 | 59 | 71 | 55% | 10-11 | 5.21 | 1.49 |
| 1989-08-26 | Charlie Hough | R | 42 | L 3-2 | vs CAL | 25 | 292 | W | 5.1 | 5 | 2 | 2 | 0 | 3 | 2 | 101 | 43 | 58 | 57% | 9-12 | 4.41 | 1.44 |
| 1989-08-27 | Nolan Ryan | R | 43 | W 4-5 | vs CAL | 26 | 670 | L | 8.1 | 7 | 5 | 5 | 0 | 2 | 11 | 147 | 52 | 95 | 65% | 14-9 | 3.17 | 1.05 |
| 1989-08-29 | Kevin Brown | R | 24 | W 4-2 | @ MIN | 26 | 31 | - | 2.2 | 4 | 2 | 1 | 0 | 3 | 0 | 53 | 28 | 25 | 47% | 11-8 | 3.15 | 1.22 |
| 1989-08-30 | Mike Jeffcoat | L | 30 | L 3-7 | @ MIN | 16 | 24 | - | 7.0 | 7 | 3 | 3 | 0 | 0 | 2 | 75 | 23 | 52 | 69% | 7-5 | 3.97 | 1.37 |
| 1989-08-31 | Bobby Witt | R | 25 | L 6-8 | @ MIN | 27 | 105 | L | 7.0 | 9 | 6 | 6 | 1 | 6 | 3 | 113 | 50 | 63 | 56% | 10-12 | 5.32 | 1.52 |
| 1989-09-01 | Charlie Hough | R | 42 | W 3-5 | vs KCA | 26 | 293 | - | 8.0 | 5 | 3 | 3 | 3 | 4 | 5 | 123 | 51 | 72 | 59% | 9-12 | 4.36 | 1.42 |
| 1989-09-02 | Nolan Ryan | R | 43 | L 6-3 | vs KCA | 27 | 671 | W | 8.0 | 8 | 3 | 3 | 1 | 4 | 11 | 146 | 58 | 88 | 60% | 15-9 | 3.18 | 1.07 |
| 1989-09-03 | Kevin Brown | R | 24 | W 2-13 | vs KCA | 27 | 32 | L | 1.0 | 4 | 6 | 6 | 0 | 1 | 1 | 50 | 23 | 27 | 54% | 11-9 | 3.42 | 1.24 |
| 1989-09-04 | Mike Jeffcoat | L | 30 | L 8-5 | vs MIN | 17 | 25 | - | 2.0 | 5 | 5 | 2 | 1 | 1 | 0 | 51 | 15 | 36 | 71% | 7-5 | 4.07 | 1.40 |
| 1989-09-05 | Jamie Moyer | L | 27 | W 4-8 | vs MIN | 11 | 90 | L | 6.2 | 10 | 6 | 3 | 2 | 1 | 4 | 88 | 39 | 49 | 56% | 3-6 | 4.35 | 1.48 |
| 1989-09-06 | Charlie Hough | R | 42 | L 3-2 | vs MIN | 27 | 294 | W | 6.0 | 7 | 2 | 2 | 0 | 2 | 3 | 96 | 39 | 57 | 59% | 10-12 | 4.31 | 1.43 |
| 1989-09-07 | Nolan Ryan | R | 43 | W 3-8 | vs BAL | 28 | 672 | L | 6.1 | 9 | 7 | 7 | 1 | 4 | 10 | 149 | 65 | 84 | 56% | 15-10 | 3.39 | 1.10 |
| 1989-09-07 | Bobby Witt | R | 25 | W 6-9 | vs BAL | 28 | 106 | L | 1.2 | 7 | 5 | 5 | 0 | 0 | 3 | 0 | 0 | 0 | -- | 10-13 | 5.51 | 1.54 |
| 1989-09-08 | Kevin Brown | R | 24 | L 3-1 | vs BAL | 28 | 33 | W | 6.2 | 6 | 1 | 1 | 0 | 3 | 8 | 111 | 49 | 62 | 56% | 12-9 | 3.35 | 1.24 |
| 1989-09-09 | Mike Jeffcoat | L | 30 | W 2-4 | vs BAL | 18 | 26 | - | 6.1 | 5 | 2 | 1 | 0 | 2 | 4 | 0 | 0 | 0 | -- | 7-5 | 3.88 | 1.37 |
| 1989-09-10 | Jamie Moyer | L | 27 | L 8-1 | vs BAL | 12 | 91 | W | 9.0 | 6 | 1 | 1 | 1 | 2 | 3 | 0 | 0 | 0 | -- | 4-6 | 3.91 | 1.41 |
| 1989-09-12 | Nolan Ryan | R | 43 | L 5-6 | @ KCA | 29 | 673 | - | 8.0 | 8 | 5 | 3 | 0 | 3 | 13 | 176 | 69 | 107 | 61% | 15-10 | 3.39 | 1.11 |
| 1989-09-13 | Charlie Hough | R | 42 | L 2-3 | @ KCA | 28 | 295 | L | 8.0 | 8 | 3 | 3 | 1 | 2 | 2 | 112 | 49 | 63 | 56% | 10-13 | 4.27 | 1.42 |
| 1989-09-14 | Mike Jeffcoat | L | 30 | W 10-4 | @ KCA | 19 | 27 | W | 8.0 | 7 | 3 | 3 | 0 | 1 | 4 | 99 | 37 | 62 | 63% | 8-5 | 3.85 | 1.35 |
| 1989-09-15 | Jamie Moyer | L | 27 | L 2-6 | @ MIL | 13 | 92 | L | 2.1 | 4 | 6 | 4 | 1 | 3 | 0 | 0 | 0 | 0 | -- | 4-7 | 4.31 | 1.46 |
| 1989-09-16 | John Barfield | L | 25 | L 3-5 | @ MIL | 1 | 1 | L | 4.1 | 6 | 4 | 3 | 0 | 2 | 4 | 0 | 0 | 0 | -- | 0-1 | 4.00 | 1.33 |
| 1989-09-17 | Bobby Witt | R | 25 | W 4-2 | @ MIL | 29 | 107 | W | 8.0 | 6 | 2 | 2 | 1 | 5 | 7 | 0 | 0 | 0 | -- | 11-13 | 5.37 | 1.54 |
| 1989-09-18 | Nolan Ryan | R | 43 | L 5-2 | vs SEA | 30 | 674 | - | 7.1 | 3 | 2 | 2 | 0 | 5 | 2 | 0 | 0 | 0 | -- | 15-10 | 3.36 | 1.11 |
| 1989-09-19 | Charlie Hough | R | 42 | L 5-3 | vs SEA | 29 | 296 | - | 0.2 | 2 | 3 | 3 | 0 | 2 | 0 | 20 | 13 | 7 | 35% | 10-13 | 4.40 | 1.43 |
| 1989-09-20 | Mike Jeffcoat | L | 30 | L 3-2 | vs SEA | 20 | 28 | W | 7.0 | 8 | 2 | 2 | 2 | 1 | 3 | 95 | 32 | 63 | 66% | 9-5 | 3.77 | 1.34 |
| 1989-09-21 | Jamie Moyer | L | 27 | W 3-8 | vs SEA | 14 | 93 | L | 3.2 | 5 | 5 | 4 | 0 | 1 | 0 | 55 | 24 | 31 | 56% | 4-8 | 4.56 | 1.47 |
| 1989-09-22 | John Barfield | L | 25 | W 6-9 | vs CHA | 2 | 2 | - | 2.2 | 7 | 4 | 4 | 0 | 0 | 2 | 49 | 12 | 37 | 76% | 0-1 | 6.00 | 1.58 |
| 1989-09-23 | Bobby Witt | R | 25 | L 6-4 | vs CHA | 30 | 108 | - | 4.2 | 7 | 4 | 3 | 0 | 6 | 5 | 0 | 0 | 0 | -- | 11-13 | 5.40 | 1.57 |
| 1989-09-24 | Nolan Ryan | R | 43 | L 5-4 | vs CHA | 31 | 675 | - | 8.0 | 4 | 4 | 2 | 0 | 6 | 9 | 140 | 61 | 79 | 56% | 15-10 | 3.33 | 1.12 |
| 1989-09-25 | Charlie Hough | R | 42 | W 3-2 | @ OAK | 30 | 297 | - | 6.0 | 7 | 2 | 2 | 1 | 3 | 2 | 106 | 44 | 62 | 58% | 10-13 | 4.35 | 1.44 |
| 1989-09-26 | Mike Jeffcoat | L | 30 | L 3-4 | @ OAK | 21 | 29 | L | 7.0 | 6 | 3 | 2 | 0 | 1 | 2 | 86 | 31 | 55 | 64% | 9-6 | 3.70 | 1.32 |
| 1989-09-27 | Jamie Moyer | L | 27 | L 0-5 | @ OAK | 15 | 94 | L | 1.0 | 6 | 4 | 3 | 1 | 0 | 0 | 46 | 20 | 26 | 57% | 4-9 | 4.86 | 1.53 |
| 1989-09-28 | Brad Arnsberg | R | 26 | L 3-5 | @ OAK | 1 | 4 | L | 4.2 | 8 | 5 | 5 | 1 | 1 | 1 | 88 | 38 | 50 | 57% | 2-1 | 4.13 | 1.40 |
| 1989-09-29 | Bobby Witt | R | 25 | W 5-0 | @ CAL | 31 | 109 | W | 9.0 | 2 | 0 | 0 | 0 | 3 | 10 | 134 | 49 | 85 | 63% | 12-13 | 5.15 | 1.53 |
| 1989-09-30 | Nolan Ryan | R | 43 | W 2-0 | @ CAL | 32 | 676 | W | 9.0 | 3 | 0 | 0 | 0 | 0 | 13 | 120 | 41 | 79 | 66% | 16-10 | 3.20 | 1.09 |
| 1989-10-01 | Mike Jeffcoat | L | 30 | L 3-4 | @ CAL | 22 | 30 | - | 7.0 | 7 | 2 | 1 | 0 | 1 | 3 | 98 | 31 | 67 | 68% | 9-6 | 3.57 | 1.31 |