| West | W | L | Pct | GB |
| Minnesota | 85 | 77 | .525 | -- |
| KC Royals | 83 | 79 | .512 | 2.0 |
| Oakland | 81 | 81 | .500 | 4.0 |
| Seattle | 78 | 84 | .481 | 7.0 |
| Chi White Sox | 77 | 85 | .475 | 8.0 |
| Texas | 75 | 87 | .463 | 10.0 |
| California | 75 | 87 | .463 | 10.0 |
| 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 |
| 1987-04-07 | Mike Witt | R | 27 | L 7-1 | vs SEA | 1 | 170 | W | 9.0 | 5 | 1 | 1 | 0 | 4 | 8 | 0 | 0 | 0 | -- | 1-0 | 1.00 | 1.00 |
| 1987-04-08 | John Candelaria | L | 33 | L 7-1 | vs SEA | 1 | 301 | W | 6.2 | 4 | 1 | 1 | 0 | 1 | 4 | 0 | 0 | 0 | -- | 1-0 | 1.29 | 0.71 |
| 1987-04-09 | Don Sutton | R | 42 | W 2-7 | vs SEA | 1 | 707 | L | 6.1 | 5 | 3 | 3 | 2 | 1 | 3 | 0 | 0 | 0 | -- | 0-1 | 4.50 | 1.00 |
| 1987-04-10 | Kirk McCaskill | R | 26 | W 6-4 | @ OAK | 1 | 63 | W | 6.0 | 4 | 3 | 3 | 2 | 2 | 7 | 0 | 0 | 0 | -- | 1-0 | 4.50 | 1.00 |
| 1987-04-11 | Urbano Lugo | R | 25 | W 6-3 | @ OAK | 1 | 14 | - | 4.0 | 6 | 3 | 3 | 0 | 3 | 1 | 0 | 0 | 0 | -- | 0-0 | 6.75 | 2.25 |
| 1987-04-12 | Mike Witt | R | 27 | L 1-7 | @ OAK | 2 | 171 | L | 4.0 | 8 | 7 | 6 | 1 | 0 | 8 | 0 | 0 | 0 | -- | 1-1 | 4.85 | 1.31 |
| 1987-04-13 | John Candelaria | L | 33 | W 5-3 | @ SEA | 2 | 302 | - | 6.0 | 10 | 2 | 2 | 1 | 1 | 4 | 0 | 0 | 0 | -- | 1-0 | 2.08 | 1.23 |
| 1987-04-14 | Don Sutton | R | 42 | L 4-6 | @ SEA | 2 | 708 | L | 2.2 | 7 | 4 | 4 | 2 | 2 | 1 | 0 | 0 | 0 | -- | 0-2 | 7.00 | 1.67 |
| 1987-04-15 | Kirk McCaskill | R | 26 | W 4-0 | @ SEA | 2 | 64 | W | 9.0 | 4 | 0 | 0 | 0 | 1 | 9 | 0 | 0 | 0 | -- | 2-0 | 1.80 | 0.73 |
| 1987-04-17 | Mike Witt | R | 27 | L 2-1 | vs MIN | 3 | 172 | W | 9.0 | 3 | 1 | 1 | 0 | 1 | 7 | 0 | 0 | 0 | -- | 2-1 | 3.27 | 0.95 |
| 1987-04-18 | John Candelaria | L | 33 | L 1-0 | vs MIN | 3 | 303 | W | 7.1 | 4 | 0 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | -- | 2-0 | 1.35 | 1.10 |
| 1987-04-19 | Don Sutton | R | 42 | W 5-6 | vs MIN | 3 | 709 | L | 5.0 | 7 | 4 | 4 | 1 | 1 | 4 | 0 | 0 | 0 | -- | 0-3 | 7.07 | 1.64 |
| 1987-04-20 | Kirk McCaskill | R | 26 | W 5-10 | vs OAK | 3 | 65 | - | 6.0 | 5 | 3 | 3 | 1 | 0 | 6 | 0 | 0 | 0 | -- | 2-0 | 2.57 | 0.76 |
| 1987-04-21 | Urbano Lugo | R | 25 | L 8-5 | vs OAK | 2 | 15 | - | 5.0 | 8 | 5 | 5 | 1 | 2 | 4 | 0 | 0 | 0 | -- | 0-0 | 7.50 | 2.00 |
| 1987-04-22 | Mike Witt | R | 27 | W 6-7 | vs OAK | 4 | 173 | L | 3.0 | 6 | 7 | 6 | 1 | 5 | 3 | 0 | 0 | 0 | -- | 2-2 | 5.04 | 1.28 |
| 1987-04-23 | John Candelaria | L | 33 | W 7-3 | @ MIN | 4 | 304 | W | 7.0 | 4 | 3 | 1 | 1 | 1 | 6 | 0 | 0 | 0 | -- | 3-0 | 1.33 | 1.00 |
| 1987-04-24 | Don Sutton | R | 42 | W 8-1 | @ MIN | 4 | 710 | W | 6.2 | 9 | 1 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | -- | 1-3 | 5.14 | 1.57 |
| 1987-04-25 | Willie Fraser | R | 23 | L 7-8 | @ MIN | 1 | 2 | - | 4.0 | 5 | 5 | 3 | 3 | 2 | 3 | 0 | 0 | 0 | -- | 1-0 | 2.81 | 1.25 |
| 1987-04-26 | Urbano Lugo | R | 25 | L 5-10 | @ MIN | 3 | 16 | - | 5.0 | 6 | 5 | 5 | 2 | 4 | 7 | 0 | 0 | 0 | -- | 0-0 | 7.94 | 2.00 |
| 1987-04-27 | Mike Witt | R | 27 | W 7-10 | vs MIL | 5 | 174 | - | 8.0 | 7 | 6 | 5 | 2 | 1 | 5 | 0 | 0 | 0 | -- | 2-2 | 5.18 | 1.21 |
| 1987-04-28 | John Candelaria | L | 33 | L 10-5 | vs MIL | 5 | 305 | - | 5.1 | 11 | 5 | 5 | 0 | 1 | 4 | 0 | 0 | 0 | -- | 3-0 | 2.53 | 1.22 |
| 1987-04-29 | Don Sutton | R | 42 | W 1-2 | vs DET | 5 | 711 | - | 7.0 | 5 | 1 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | -- | 1-3 | 4.18 | 1.39 |
| 1987-04-30 | Willie Fraser | R | 23 | W 4-12 | vs DET | 2 | 3 | L | 5.0 | 5 | 4 | 3 | 1 | 5 | 1 | 0 | 0 | 0 | -- | 1-1 | 3.43 | 1.43 |
| 1987-05-01 | Urbano Lugo | R | 25 | W 3-12 | vs BOS | 4 | 17 | L | 5.0 | 6 | 8 | 8 | 2 | 5 | 5 | 0 | 0 | 0 | -- | 0-1 | 9.41 | 2.05 |
| 1987-05-02 | Mike Witt | R | 27 | L 4-2 | vs BOS | 6 | 175 | W | 9.0 | 4 | 2 | 2 | 1 | 4 | 5 | 0 | 0 | 0 | -- | 3-2 | 4.50 | 1.14 |
| 1987-05-03 | John Candelaria | L | 33 | L 11-4 | vs BOS | 6 | 306 | W | 7.1 | 7 | 4 | 4 | 2 | 2 | 3 | 0 | 0 | 0 | -- | 4-0 | 2.93 | 1.20 |
| 1987-05-05 | Don Sutton | R | 42 | W 2-0 | @ MIL | 6 | 712 | W | 7.0 | 2 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | -- | 2-3 | 3.34 | 1.20 |
| 1987-05-06 | Mike Witt | R | 27 | W 3-0 | @ MIL | 7 | 176 | W | 7.0 | 4 | 0 | 0 | 0 | 4 | 9 | 0 | 0 | 0 | -- | 4-2 | 3.86 | 1.14 |
| 1987-05-08 | John Candelaria | L | 34 | L 4-6 | @ BOS | 7 | 307 | - | 5.0 | 7 | 2 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | -- | 4-0 | 2.80 | 1.22 |
| 1987-05-09 | Willie Fraser | R | 23 | W 8-1 | @ BOS | 3 | 4 | W | 9.0 | 5 | 1 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | -- | 2-1 | 2.70 | 1.20 |
| 1987-05-10 | Don Sutton | R | 42 | L 0-7 | @ BOS | 7 | 713 | L | 5.0 | 7 | 5 | 5 | 2 | 0 | 1 | 0 | 0 | 0 | -- | 2-4 | 4.05 | 1.23 |
| 1987-05-11 | Mike Witt | R | 27 | W 5-1 | @ DET | 8 | 177 | W | 6.1 | 7 | 1 | 1 | 1 | 4 | 7 | 0 | 0 | 0 | -- | 5-2 | 3.60 | 1.22 |
| 1987-05-12 | Urbano Lugo | R | 25 | L 2-15 | @ DET | 5 | 18 | L | 2.1 | 8 | 8 | 3 | 1 | 1 | 2 | 0 | 0 | 0 | -- | 0-2 | 9.36 | 2.16 |
| 1987-05-13 | John Candelaria | L | 34 | L 7-10 | @ DET | 8 | 308 | L | 2.2 | 5 | 7 | 7 | 1 | 3 | 1 | 0 | 0 | 0 | -- | 4-1 | 4.02 | 1.34 |
| 1987-05-15 | Don Sutton | R | 42 | L 7-6 | vs BAL | 8 | 714 | - | 4.0 | 6 | 6 | 6 | 3 | 3 | 3 | 0 | 0 | 0 | -- | 2-4 | 4.91 | 1.32 |
| 1987-05-16 | Mike Witt | R | 27 | W 2-4 | vs BAL | 9 | 178 | L | 6.2 | 10 | 4 | 4 | 2 | 1 | 1 | 0 | 0 | 0 | -- | 5-3 | 3.77 | 1.26 |
| 1987-05-17 | Willie Fraser | R | 23 | W 2-3 | vs BAL | 4 | 5 | - | 8.0 | 5 | 1 | 1 | 1 | 2 | 6 | 0 | 0 | 0 | -- | 2-1 | 2.37 | 1.13 |
| 1987-05-18 | Mike Cook | R | 24 | W 0-12 | vs TOR | 1 | 2 | L | 5.0 | 7 | 5 | 5 | 2 | 2 | 3 | 0 | 0 | 0 | -- | 1-2 | 6.26 | 1.48 |
| 1987-05-19 | Don Sutton | R | 42 | L 2-1 | vs TOR | 9 | 715 | - | 7.0 | 4 | 1 | 1 | 0 | 3 | 2 | 0 | 0 | 0 | -- | 2-4 | 4.41 | 1.27 |
| 1987-05-20 | Jack Lazorko | R | 31 | L 5-4 | vs TOR | 1 | 2 | - | 8.1 | 5 | 3 | 2 | 2 | 1 | 5 | 0 | 0 | 0 | -- | 0-0 | 2.25 | 0.75 |
| 1987-05-22 | Mike Witt | R | 27 | W 2-7 | vs NYA | 10 | 179 | L | 3.0 | 7 | 6 | 6 | 2 | 2 | 3 | 0 | 0 | 0 | -- | 5-4 | 4.43 | 1.34 |
| 1987-05-23 | Willie Fraser | R | 23 | W 0-3 | vs NYA | 5 | 6 | L | 8.1 | 8 | 3 | 3 | 0 | 6 | 2 | 0 | 0 | 0 | -- | 2-2 | 2.49 | 1.21 |
| 1987-05-24 | Don Sutton | R | 42 | W 8-10 | vs NYA | 10 | 716 | - | 2.2 | 9 | 5 | 5 | 1 | 2 | 2 | 0 | 0 | 0 | -- | 2-4 | 5.09 | 1.43 |
| 1987-05-25 | Jack Lazorko | R | 31 | W 3-6 | vs NYA | 2 | 3 | L | 8.0 | 6 | 6 | 5 | 2 | 6 | 5 | 0 | 0 | 0 | -- | 0-1 | 3.94 | 1.13 |
| 1987-05-27 | Mike Witt | R | 27 | L 6-8 | @ BAL | 11 | 180 | - | 4.2 | 6 | 5 | 3 | 0 | 6 | 4 | 0 | 0 | 0 | -- | 5-4 | 4.50 | 1.41 |
| 1987-05-28 | Willie Fraser | R | 23 | L 7-8 | @ BAL | 6 | 7 | - | 4.0 | 6 | 5 | 5 | 4 | 1 | 3 | 0 | 0 | 0 | -- | 2-2 | 3.18 | 1.25 |
| 1987-05-29 | Don Sutton | R | 42 | L 1-3 | @ TOR | 11 | 717 | L | 8.0 | 11 | 3 | 3 | 0 | 2 | 3 | 0 | 0 | 0 | -- | 2-5 | 4.87 | 1.46 |
| 1987-05-30 | Jack Lazorko | R | 31 | L 3-4 | @ TOR | 3 | 4 | L | 9.0 | 7 | 4 | 4 | 1 | 1 | 2 | 0 | 0 | 0 | -- | 0-2 | 3.96 | 1.04 |
| 1987-05-31 | John Candelaria | L | 34 | L 2-7 | @ TOR | 9 | 309 | L | 4.2 | 7 | 6 | 3 | 1 | 0 | 4 | 0 | 0 | 0 | -- | 4-2 | 4.15 | 1.35 |
| 1987-06-01 | Mike Witt | R | 27 | W 9-2 | @ NYA | 12 | 181 | W | 9.0 | 5 | 2 | 1 | 0 | 2 | 11 | 0 | 0 | 0 | -- | 6-4 | 4.10 | 1.34 |
| 1987-06-02 | Willie Fraser | R | 23 | L 2-3 | @ NYA | 7 | 8 | L | 7.1 | 8 | 3 | 3 | 2 | 4 | 2 | 0 | 0 | 0 | -- | 2-3 | 3.26 | 1.31 |
| 1987-06-03 | Don Sutton | R | 42 | L 3-9 | @ NYA | 12 | 718 | L | 2.1 | 8 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | -- | 2-6 | 5.34 | 1.52 |
| 1987-06-04 | Jack Lazorko | R | 31 | L 3-2 | vs CHA | 4 | 5 | W | 9.0 | 6 | 2 | 2 | 1 | 3 | 4 | 0 | 0 | 0 | -- | 1-2 | 3.44 | 1.03 |
| 1987-06-05 | John Candelaria | L | 34 | L 6-4 | vs CHA | 10 | 310 | W | 7.0 | 5 | 4 | 3 | 2 | 1 | 4 | 0 | 0 | 0 | -- | 5-2 | 4.12 | 1.29 |
| 1987-06-06 | Mike Witt | R | 27 | L 2-1 | vs CHA | 13 | 182 | W | 10.0 | 7 | 1 | 1 | 1 | 1 | 8 | 0 | 0 | 0 | -- | 7-4 | 3.74 | 1.28 |
| 1987-06-07 | Willie Fraser | R | 23 | W 0-4 | vs CHA | 8 | 9 | L | 9.0 | 7 | 4 | 4 | 2 | 0 | 4 | 0 | 0 | 0 | -- | 2-4 | 3.36 | 1.24 |
| 1987-06-08 | Don Sutton | R | 42 | W 0-2 | vs CLE | 13 | 719 | L | 8.0 | 6 | 2 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | -- | 2-7 | 5.00 | 1.43 |
| 1987-06-09 | Jack Lazorko | R | 31 | L 6-5 | vs CLE | 5 | 6 | W | 7.0 | 6 | 4 | 3 | 1 | 4 | 4 | 0 | 0 | 0 | -- | 2-2 | 3.51 | 1.10 |
| 1987-06-10 | John Candelaria | L | 34 | L 10-7 | vs CLE | 11 | 311 | - | 5.0 | 11 | 7 | 7 | 2 | 1 | 2 | 0 | 0 | 0 | -- | 5-2 | 4.78 | 1.38 |
| 1987-06-12 | Mike Witt | R | 27 | L 0-1 | @ KCA | 14 | 183 | L | 8.0 | 3 | 1 | 1 | 0 | 1 | 6 | 0 | 0 | 0 | -- | 7-5 | 3.53 | 1.22 |
| 1987-06-13 | Willie Fraser | R | 23 | W 4-0 | @ KCA | 9 | 10 | W | 9.0 | 4 | 0 | 0 | 0 | 2 | 5 | 0 | 0 | 0 | -- | 3-4 | 2.96 | 1.17 |
| 1987-06-14 | Don Sutton | R | 42 | W 12-0 | @ KCA | 14 | 720 | W | 7.0 | 6 | 0 | 0 | 0 | 1 | 5 | 0 | 0 | 0 | -- | 3-7 | 4.56 | 1.39 |
| 1987-06-15 | Jack Lazorko | R | 31 | W 7-9 | vs TEX | 6 | 7 | - | 2.2 | 5 | 6 | 6 | 2 | 1 | 1 | 0 | 0 | 0 | -- | 2-2 | 4.50 | 1.16 |
| 1987-06-16 | John Candelaria | L | 34 | W 4-5 | vs TEX | 12 | 312 | L | 5.2 | 9 | 5 | 3 | 0 | 2 | 7 | 0 | 0 | 0 | -- | 5-3 | 4.76 | 1.41 |
| 1987-06-17 | Mike Witt | R | 27 | L 6-1 | vs TEX | 15 | 184 | W | 8.0 | 4 | 1 | 1 | 1 | 5 | 6 | 0 | 0 | 0 | -- | 8-5 | 3.34 | 1.21 |
| 1987-06-18 | Willie Fraser | R | 23 | W 4-10 | vs KCA | 10 | 11 | L | 6.0 | 5 | 7 | 7 | 1 | 4 | 6 | 0 | 0 | 0 | -- | 3-5 | 3.51 | 1.20 |
| 1987-06-19 | Don Sutton | R | 42 | W 0-2 | vs KCA | 15 | 721 | L | 6.0 | 9 | 2 | 2 | 0 | 0 | 7 | 0 | 0 | 0 | -- | 3-8 | 4.45 | 1.40 |
| 1987-06-20 | Jack Lazorko | R | 31 | W 4-8 | vs KCA | 7 | 8 | L | 4.0 | 5 | 5 | 5 | 3 | 3 | 4 | 0 | 0 | 0 | -- | 2-3 | 5.06 | 1.23 |
| 1987-06-21 | Jerry Reuss | L | 38 | L 8-0 | vs KCA | 8 | 475 | W | 9.0 | 8 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | -- | 1-5 | 6.07 | 1.61 |
| 1987-06-22 | Mike Witt | R | 27 | W 7-3 | @ TEX | 16 | 185 | - | 2.1 | 4 | 3 | 3 | 1 | 3 | 1 | 0 | 0 | 0 | -- | 8-5 | 3.53 | 1.25 |
| 1987-06-23 | Willie Fraser | R | 23 | W 8-6 | @ TEX | 11 | 12 | W | 6.0 | 9 | 4 | 3 | 1 | 1 | 3 | 0 | 0 | 0 | -- | 4-5 | 3.58 | 1.23 |
| 1987-06-24 | Don Sutton | R | 42 | W 4-1 | @ TEX | 16 | 722 | W | 7.0 | 3 | 1 | 1 | 0 | 1 | 4 | 0 | 0 | 0 | -- | 4-8 | 4.21 | 1.34 |
| 1987-06-26 | Jerry Reuss | L | 38 | W 3-1 | @ CHA | 9 | 476 | W | 8.1 | 6 | 1 | 1 | 0 | 2 | 3 | 0 | 0 | 0 | -- | 2-5 | 5.33 | 1.52 |
| 1987-06-27 | Mike Witt | R | 27 | W 3-1 | @ CHA | 17 | 186 | W | 7.2 | 8 | 1 | 1 | 0 | 3 | 8 | 0 | 0 | 0 | -- | 9-5 | 3.37 | 1.26 |
| 1987-06-28 | Willie Fraser | R | 23 | W 13-3 | @ CHA | 12 | 13 | W | 9.0 | 5 | 3 | 3 | 1 | 2 | 2 | 0 | 0 | 0 | -- | 5-5 | 3.53 | 1.19 |
| 1987-06-29 | Don Sutton | R | 42 | W 11-4 | @ CLE | 17 | 723 | W | 5.0 | 6 | 2 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | -- | 5-8 | 4.18 | 1.33 |
| 1987-06-30 | Jack Lazorko | R | 31 | L 1-2 | @ CLE | 8 | 9 | L | 8.0 | 7 | 2 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | -- | 2-4 | 4.66 | 1.18 |
| 1987-07-01 | Jerry Reuss | L | 38 | W 10-5 | @ CLE | 10 | 477 | W | 5.0 | 7 | 4 | 3 | 0 | 0 | 4 | 0 | 0 | 0 | -- | 3-5 | 5.34 | 1.51 |
| 1987-07-02 | Mike Witt | R | 27 | L 9-7 | vs MIL | 18 | 187 | - | 4.1 | 8 | 5 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | -- | 9-5 | 3.25 | 1.29 |
| 1987-07-03 | Willie Fraser | R | 23 | W 4-6 | vs MIL | 13 | 14 | L | 4.0 | 5 | 4 | 4 | 1 | 3 | 3 | 0 | 0 | 0 | -- | 5-6 | 3.74 | 1.22 |
| 1987-07-04 | Don Sutton | R | 42 | W 1-2 | vs MIL | 18 | 724 | L | 5.0 | 4 | 2 | 2 | 1 | 4 | 5 | 0 | 0 | 0 | -- | 5-9 | 4.15 | 1.34 |
| 1987-07-05 | Jack Lazorko | R | 31 | L 4-3 | vs MIL | 9 | 10 | - | 7.0 | 4 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | -- | 2-4 | 4.43 | 1.11 |
| 1987-07-06 | Jerry Reuss | L | 38 | L 10-7 | vs BOS | 11 | 478 | - | 5.1 | 11 | 7 | 6 | 3 | 1 | 0 | 0 | 0 | 0 | -- | 3-5 | 5.77 | 1.58 |
| 1987-07-07 | Mike Witt | R | 27 | L 9-4 | vs BOS | 19 | 188 | W | 7.1 | 11 | 4 | 4 | 1 | 1 | 4 | 0 | 0 | 0 | -- | 10-5 | 3.36 | 1.32 |
| 1987-07-08 | Willie Fraser | R | 23 | L 5-3 | vs BOS | 14 | 15 | W | 5.1 | 4 | 2 | 2 | 2 | 3 | 3 | 0 | 0 | 0 | -- | 6-6 | 3.74 | 1.23 |
| 1987-07-09 | Don Sutton | R | 42 | L 5-2 | vs DET | 19 | 725 | W | 7.0 | 3 | 2 | 2 | 2 | 0 | 3 | 0 | 0 | 0 | -- | 6-9 | 4.05 | 1.28 |
| 1987-07-10 | Jack Lazorko | R | 31 | W 4-9 | vs DET | 10 | 11 | L | 1.0 | 5 | 5 | 5 | 2 | 1 | 0 | 0 | 0 | 0 | -- | 2-5 | 5.06 | 1.19 |
| 1987-07-11 | Jerry Reuss | L | 38 | W 5-12 | vs DET | 12 | 479 | L | 2.0 | 7 | 6 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | -- | 3-6 | 5.73 | 1.65 |
| 1987-07-12 | Mike Witt | R | 27 | L 5-4 | vs DET | 20 | 189 | W | 7.0 | 4 | 3 | 2 | 1 | 5 | 9 | 0 | 0 | 0 | -- | 11-5 | 3.32 | 1.32 |
| 1987-07-16 | Kirk McCaskill | R | 26 | L 4-6 | @ MIL | 4 | 66 | L | 3.1 | 7 | 5 | 5 | 1 | 4 | 4 | 0 | 0 | 0 | -- | 2-1 | 4.50 | 1.21 |
| 1987-07-17 | Mike Witt | R | 27 | L 2-12 | @ MIL | 21 | 190 | L | 3.1 | 9 | 6 | 6 | 3 | 0 | 1 | 0 | 0 | 0 | -- | 11-6 | 3.61 | 1.34 |
| 1987-07-18 | Don Sutton | R | 42 | W 12-6 | @ MIL | 20 | 726 | - | 5.2 | 6 | 6 | 6 | 3 | 2 | 1 | 0 | 0 | 0 | -- | 6-9 | 4.34 | 1.30 |
| 1987-07-19 | Jerry Reuss | L | 38 | W 8-5 | @ MIL | 13 | 480 | - | 4.1 | 8 | 5 | 5 | 2 | 0 | 3 | 0 | 0 | 0 | -- | 3-6 | 5.96 | 1.65 |
| 1987-07-20 | Willie Fraser | R | 23 | W 3-2 | @ BOS | 15 | 16 | - | 3.2 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | -- | 6-6 | 3.60 | 1.19 |
| 1987-07-21 | Kirk McCaskill | R | 26 | L 0-3 | @ BOS | 5 | 67 | L | 3.0 | 5 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | -- | 2-2 | 4.65 | 1.29 |
| 1987-07-22 | Mike Witt | R | 27 | W 6-5 | @ BOS | 22 | 191 | W | 6.1 | 9 | 4 | 4 | 1 | 1 | 5 | 0 | 0 | 0 | -- | 12-6 | 3.71 | 1.36 |
| 1987-07-24 | Don Sutton | R | 42 | L 3-6 | @ DET | 21 | 727 | - | 5.0 | 3 | 3 | 3 | 2 | 1 | 3 | 0 | 0 | 0 | -- | 6-9 | 4.39 | 1.28 |
| 1987-07-25 | Jerry Reuss | L | 38 | L 4-5 | @ DET | 14 | 481 | - | 5.1 | 6 | 4 | 4 | 3 | 1 | 2 | 0 | 0 | 0 | -- | 3-6 | 6.04 | 1.63 |
| 1987-07-26 | Willie Fraser | R | 23 | L 2-6 | @ DET | 16 | 17 | L | 6.0 | 5 | 4 | 4 | 1 | 5 | 4 | 0 | 0 | 0 | -- | 6-7 | 3.72 | 1.22 |
| 1987-07-27 | Kirk McCaskill | R | 26 | L 1-6 | @ OAK | 6 | 68 | L | 3.2 | 9 | 5 | 5 | 0 | 4 | 5 | 0 | 0 | 0 | -- | 2-3 | 5.40 | 1.51 |
| 1987-07-28 | Mike Witt | R | 27 | W 9-2 | @ OAK | 23 | 192 | W | 9.0 | 6 | 2 | 2 | 1 | 0 | 11 | 0 | 0 | 0 | -- | 13-6 | 3.61 | 1.32 |
| 1987-07-29 | Don Sutton | R | 42 | W 5-4 | @ OAK | 22 | 728 | W | 5.0 | 3 | 2 | 2 | 2 | 1 | 3 | 0 | 0 | 0 | -- | 7-9 | 4.35 | 1.26 |
| 1987-07-31 | Jerry Reuss | L | 38 | L 8-2 | vs SEA | 15 | 482 | - | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 3-6 | 5.96 | 1.62 |
| 1987-08-01 | Willie Fraser | R | 23 | L 4-3 | vs SEA | 17 | 18 | W | 6.0 | 6 | 3 | 3 | 2 | 2 | 3 | 0 | 0 | 0 | -- | 7-7 | 3.76 | 1.22 |
| 1987-08-02 | Kirk McCaskill | R | 26 | W 4-5 | vs SEA | 7 | 69 | - | 7.2 | 5 | 4 | 4 | 1 | 5 | 5 | 0 | 0 | 0 | -- | 2-3 | 5.23 | 1.47 |
| 1987-08-03 | Mike Witt | R | 27 | W 3-11 | vs MIN | 24 | 193 | L | 6.2 | 8 | 7 | 5 | 0 | 4 | 2 | 0 | 0 | 0 | -- | 13-7 | 3.74 | 1.33 |
| 1987-08-04 | Don Sutton | R | 42 | L 12-3 | vs MIN | 23 | 729 | W | 6.0 | 4 | 3 | 3 | 1 | 4 | 3 | 0 | 0 | 0 | -- | 8-9 | 4.36 | 1.26 |
| 1987-08-05 | John Candelaria | L | 34 | L 6-1 | vs MIN | 13 | 313 | W | 6.0 | 2 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | -- | 6-3 | 4.38 | 1.33 |
| 1987-08-06 | Willie Fraser | R | 23 | L 4-15 | @ SEA | 18 | 19 | L | 2.2 | 4 | 4 | 4 | 1 | 3 | 3 | 0 | 0 | 0 | -- | 7-8 | 3.96 | 1.25 |
| 1987-08-07 | Kirk McCaskill | R | 26 | L 0-14 | @ SEA | 8 | 70 | L | 5.0 | 7 | 9 | 5 | 2 | 3 | 1 | 0 | 0 | 0 | -- | 2-4 | 5.63 | 1.52 |
| 1987-08-08 | Mike Witt | R | 27 | L 3-5 | @ SEA | 25 | 194 | L | 6.1 | 11 | 5 | 5 | 1 | 5 | 5 | 0 | 0 | 0 | -- | 13-8 | 3.87 | 1.38 |
| 1987-08-09 | Don Sutton | R | 42 | W 7-5 | @ SEA | 24 | 730 | - | 6.0 | 6 | 3 | 3 | 1 | 1 | 3 | 0 | 0 | 0 | -- | 8-9 | 4.37 | 1.26 |
| 1987-08-11 | John Candelaria | L | 34 | L 2-7 | @ MIN | 14 | 314 | L | 5.0 | 6 | 4 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | -- | 6-4 | 4.56 | 1.32 |
| 1987-08-12 | Kirk McCaskill | R | 26 | W 8-2 | @ MIN | 9 | 71 | W | 7.1 | 4 | 2 | 2 | 2 | 4 | 7 | 0 | 0 | 0 | -- | 3-4 | 5.24 | 1.47 |
| 1987-08-13 | Mike Witt | R | 27 | W 5-1 | @ MIN | 26 | 195 | W | 8.0 | 9 | 1 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | -- | 14-8 | 3.75 | 1.38 |
| 1987-08-14 | Don Sutton | R | 42 | W 6-7 | vs OAK | 25 | 731 | - | 5.2 | 5 | 5 | 5 | 2 | 1 | 3 | 0 | 0 | 0 | -- | 8-9 | 4.50 | 1.25 |
| 1987-08-15 | John Candelaria | L | 34 | W 3-13 | vs OAK | 15 | 315 | L | 4.0 | 7 | 8 | 8 | 2 | 3 | 4 | 0 | 0 | 0 | -- | 6-5 | 5.19 | 1.38 |
| 1987-08-16 | Willie Fraser | R | 23 | W 6-9 | vs OAK | 19 | 20 | - | 5.0 | 7 | 4 | 4 | 1 | 2 | 3 | 0 | 0 | 0 | -- | 7-8 | 4.16 | 1.27 |
| 1987-08-17 | Mike Witt | R | 27 | L 6-4 | vs OAK | 27 | 196 | W | 7.0 | 5 | 4 | 4 | 1 | 3 | 3 | 0 | 0 | 0 | -- | 15-8 | 3.80 | 1.37 |
| 1987-08-18 | Kirk McCaskill | R | 26 | W 1-4 | vs BAL | 10 | 72 | L | 4.1 | 8 | 4 | 4 | 1 | 3 | 3 | 0 | 0 | 0 | -- | 3-5 | 5.49 | 1.56 |
| 1987-08-19 | Don Sutton | R | 42 | W 1-2 | vs BAL | 26 | 732 | L | 6.0 | 7 | 2 | 2 | 2 | 1 | 2 | 0 | 0 | 0 | -- | 8-10 | 4.44 | 1.25 |
| 1987-08-20 | John Candelaria | L | 34 | W 2-4 | vs BAL | 16 | 316 | - | 8.0 | 5 | 2 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | -- | 6-5 | 4.94 | 1.31 |
| 1987-08-21 | Jerry Reuss | L | 38 | L 3-1 | vs TOR | 16 | 483 | W | 6.2 | 8 | 1 | 1 | 0 | 1 | 6 | 0 | 0 | 0 | -- | 4-6 | 5.57 | 1.60 |
| 1987-08-22 | Mike Witt | R | 27 | W 0-2 | vs TOR | 28 | 197 | L | 9.0 | 6 | 2 | 2 | 1 | 4 | 4 | 0 | 0 | 0 | -- | 15-9 | 3.71 | 1.35 |
| 1987-08-23 | Kirk McCaskill | R | 26 | L 5-2 | vs TOR | 11 | 73 | W | 6.2 | 7 | 2 | 2 | 1 | 3 | 4 | 0 | 0 | 0 | -- | 4-5 | 5.18 | 1.55 |
| 1987-08-24 | Don Sutton | R | 42 | W 2-3 | vs NYA | 27 | 733 | - | 7.0 | 3 | 2 | 2 | 1 | 1 | 5 | 0 | 0 | 0 | -- | 8-10 | 4.35 | 1.22 |
| 1987-08-25 | John Candelaria | L | 34 | L 5-1 | vs NYA | 17 | 317 | W | 8.0 | 6 | 0 | 0 | 0 | 1 | 6 | 0 | 0 | 0 | -- | 7-5 | 4.54 | 1.28 |
| 1987-08-27 | Jerry Reuss | L | 38 | L 5-9 | @ BAL | 17 | 484 | L | 5.0 | 6 | 5 | 4 | 2 | 0 | 1 | 0 | 0 | 0 | -- | 4-7 | 5.66 | 1.57 |
| 1987-08-28 | Mike Witt | R | 27 | L 5-6 | @ BAL | 29 | 198 | - | 3.0 | 7 | 5 | 4 | 1 | 0 | 2 | 0 | 0 | 0 | -- | 15-9 | 3.84 | 1.37 |
| 1987-08-29 | Kirk McCaskill | R | 26 | W 6-5 | @ BAL | 12 | 74 | - | 5.2 | 8 | 5 | 4 | 0 | 2 | 2 | 0 | 0 | 0 | -- | 4-5 | 5.25 | 1.56 |
| 1987-08-30 | Don Sutton | R | 42 | W 6-2 | @ BAL | 28 | 734 | W | 7.0 | 6 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | -- | 9-10 | 4.17 | 1.21 |
| 1987-08-31 | John Candelaria | L | 34 | W 8-7 | @ TOR | 18 | 318 | - | 6.1 | 5 | 3 | 3 | 0 | 0 | 5 | 0 | 0 | 0 | -- | 7-5 | 4.54 | 1.25 |
| 1987-09-01 | Mike Witt | R | 27 | L 3-4 | @ TOR | 30 | 199 | L | 9.1 | 11 | 4 | 3 | 0 | 4 | 4 | 0 | 0 | 0 | -- | 15-10 | 3.81 | 1.38 |
| 1987-09-02 | Jerry Reuss | L | 38 | L 6-7 | @ TOR | 18 | 485 | - | 2.0 | 4 | 5 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | -- | 4-7 | 5.93 | 1.59 |
| 1987-09-04 | Kirk McCaskill | R | 26 | L 4-8 | @ NYA | 13 | 75 | L | 3.0 | 5 | 5 | 5 | 2 | 1 | 2 | 0 | 0 | 0 | -- | 4-6 | 5.64 | 1.57 |
| 1987-09-05 | Don Sutton | R | 42 | L 6-7 | @ NYA | 29 | 735 | L | 2.1 | 6 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | -- | 9-11 | 4.39 | 1.23 |
| 1987-09-06 | John Candelaria | L | 34 | W 3-1 | @ NYA | 19 | 319 | W | 5.2 | 5 | 1 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | -- | 8-5 | 4.38 | 1.23 |
| 1987-09-07 | Mike Witt | R | 27 | W 2-5 | vs KCA | 31 | 200 | L | 8.0 | 7 | 5 | 5 | 2 | 4 | 11 | 0 | 0 | 0 | -- | 15-11 | 3.88 | 1.38 |
| 1987-09-08 | Jerry Reuss | L | 38 | W 2-4 | vs KCA | 19 | 486 | - | 4.1 | 6 | 2 | 2 | 1 | 3 | 1 | 0 | 0 | 0 | -- | 4-7 | 5.87 | 1.62 |
| 1987-09-10 | Don Sutton | R | 42 | L 8-7 | vs TEX | 30 | 736 | - | 7.0 | 7 | 2 | 2 | 1 | 1 | 5 | 0 | 0 | 0 | -- | 9-11 | 4.32 | 1.23 |
| 1987-09-11 | John Candelaria | L | 34 | W 2-7 | vs TEX | 20 | 320 | L | 4.0 | 7 | 6 | 6 | 2 | 1 | 2 | 0 | 0 | 0 | -- | 8-6 | 4.69 | 1.26 |
| 1987-09-12 | Mike Witt | R | 27 | W 3-4 | vs TEX | 32 | 201 | L | 8.1 | 8 | 4 | 3 | 2 | 1 | 4 | 0 | 0 | 0 | -- | 15-12 | 3.84 | 1.37 |
| 1987-09-13 | Jerry Reuss | L | 38 | W 2-8 | vs TEX | 20 | 487 | L | 7.2 | 9 | 5 | 3 | 1 | 0 | 5 | 0 | 0 | 0 | -- | 4-8 | 5.68 | 1.58 |
| 1987-09-14 | Don Sutton | R | 42 | L 5-8 | @ KCA | 31 | 737 | - | 1.0 | 4 | 5 | 5 | 1 | 1 | 1 | 0 | 0 | 0 | -- | 9-11 | 4.55 | 1.25 |
| 1987-09-15 | Willie Fraser | R | 23 | W 7-1 | @ KCA | 20 | 21 | W | 9.0 | 8 | 1 | 1 | 0 | 3 | 4 | 0 | 0 | 0 | -- | 10-9 | 3.72 | 1.23 |
| 1987-09-16 | Chuck Finley | L | 25 | W 6-4 | @ KCA | 1 | 1 | - | 4.1 | 8 | 3 | 3 | 0 | 1 | 1 | 0 | 0 | 0 | -- | 2-6 | 4.39 | 1.55 |
| 1987-09-17 | Mike Witt | R | 27 | L 6-7 | @ KCA | 33 | 202 | - | 7.0 | 10 | 6 | 6 | 1 | 0 | 5 | 0 | 0 | 0 | -- | 15-12 | 3.96 | 1.37 |
| 1987-09-18 | Jerry Reuss | L | 38 | L 1-5 | @ TEX | 21 | 488 | L | 5.1 | 8 | 5 | 4 | 0 | 3 | 2 | 0 | 0 | 0 | -- | 4-9 | 5.75 | 1.61 |
| 1987-09-19 | Don Sutton | R | 42 | L 3-4 | @ TEX | 32 | 738 | - | 5.0 | 5 | 3 | 3 | 1 | 2 | 2 | 0 | 0 | 0 | -- | 9-11 | 4.58 | 1.25 |
| 1987-09-20 | Willie Fraser | R | 23 | L 1-2 | @ TEX | 21 | 22 | - | 7.0 | 5 | 1 | 1 | 0 | 1 | 4 | 0 | 0 | 0 | -- | 10-9 | 3.62 | 1.22 |
| 1987-09-21 | Chuck Finley | L | 25 | W 3-5 | vs CHA | 2 | 2 | L | 5.0 | 6 | 4 | 4 | 1 | 1 | 3 | 0 | 0 | 0 | -- | 2-7 | 4.55 | 1.54 |
| 1987-09-22 | Mike Witt | R | 27 | L 5-3 | vs CHA | 34 | 203 | W | 8.0 | 9 | 3 | 3 | 1 | 1 | 3 | 0 | 0 | 0 | -- | 16-12 | 3.94 | 1.36 |
| 1987-09-23 | Jerry Reuss | L | 38 | L 10-6 | vs CHA | 22 | 489 | - | 6.0 | 6 | 4 | 4 | 3 | 1 | 1 | 0 | 0 | 0 | -- | 4-9 | 5.76 | 1.59 |
| 1987-09-25 | Don Sutton | R | 42 | L 5-7 | @ CLE | 33 | 739 | - | 5.0 | 5 | 4 | 4 | 0 | 1 | 1 | 0 | 0 | 0 | -- | 9-11 | 4.65 | 1.25 |
| 1987-09-26 | Willie Fraser | R | 23 | L 10-11 | @ CLE | 22 | 23 | - | 3.0 | 8 | 7 | 7 | 1 | 2 | 4 | 0 | 0 | 0 | -- | 10-9 | 3.92 | 1.26 |
| 1987-09-27 | Chuck Finley | L | 25 | W 11-8 | @ CLE | 3 | 3 | - | 3.2 | 3 | 3 | 3 | 0 | 8 | 2 | 0 | 0 | 0 | -- | 2-7 | 4.65 | 1.59 |
| 1987-09-29 | Mike Witt | R | 27 | L 0-1 | @ CHA | 35 | 204 | L | 8.0 | 7 | 1 | 1 | 0 | 2 | 4 | 0 | 0 | 0 | -- | 16-13 | 3.85 | 1.36 |
| 1987-09-30 | Jerry Reuss | L | 38 | L 2-5 | @ CHA | 23 | 490 | L | 2.1 | 6 | 4 | 4 | 0 | 2 | 1 | 0 | 0 | 0 | -- | 4-10 | 5.97 | 1.63 |
| 1987-10-01 | Willie Fraser | R | 23 | L 3-6 | @ CHA | 23 | 24 | L | 4.2 | 7 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 10-10 | 3.92 | 1.26 |
| 1987-10-02 | Don Sutton | R | 42 | L 10-4 | vs CLE | 34 | 740 | W | 5.0 | 8 | 4 | 3 | 0 | 0 | 5 | 0 | 0 | 0 | -- | 11-11 | 4.69 | 1.25 |
| 1987-10-03 | Jack Lazorko | R | 32 | L 12-5 | vs CLE | 11 | 12 | W | 7.1 | 9 | 5 | 5 | 1 | 1 | 7 | 0 | 0 | 0 | -- | 5-6 | 4.58 | 1.29 |
| 1987-10-04 | Mike Witt | R | 27 | W 6-10 | vs CLE | 36 | 205 | L | 6.1 | 9 | 8 | 7 | 4 | 0 | 8 | 0 | 0 | 0 | -- | 16-14 | 4.01 | 1.36 |