| East | W | L | Pct | GB |
| Detroit | 104 | 58 | .642 | -- |
| Toronto | 89 | 73 | .549 | 15.0 |
| NY Yankees | 87 | 75 | .537 | 17.0 |
| Boston | 86 | 76 | .531 | 18.0 |
| Baltimore | 85 | 77 | .525 | 19.0 |
| Cleveland | 75 | 87 | .463 | 29.0 |
| Milwaukee | 67 | 94 | .416 | 36.5 |
| 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 |
| 1984-04-03 | Jack Morris | R | 29 | W 8-1 | @ MIN | 1 | 176 | W | 7.0 | 5 | 1 | 1 | 0 | 0 | 8 | 0 | 0 | 0 | -- | 1-0 | 1.29 | 0.71 |
| 1984-04-05 | Dan Petry | R | 25 | W 7-3 | @ MIN | 1 | 136 | W | 7.0 | 5 | 3 | 2 | 0 | 4 | 1 | 0 | 0 | 0 | -- | 1-0 | 2.57 | 1.29 |
| 1984-04-06 | Milt Wilcox | R | 34 | W 3-2 | @ CHA | 1 | 233 | W | 7.0 | 4 | 1 | 1 | 0 | 4 | 2 | 0 | 0 | 0 | -- | 1-0 | 1.29 | 1.14 |
| 1984-04-07 | Jack Morris | R | 29 | W 4-0 | @ CHA | 2 | 177 | W | 9.0 | 0 | 0 | 0 | 0 | 6 | 8 | 0 | 0 | 0 | -- | 2-0 | 0.56 | 0.69 |
| 1984-04-08 | Dave Rozema | R | 28 | W 7-3 | @ CHA | 1 | 113 | - | 4.0 | 5 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | -- | 0-0 | 4.50 | 1.50 |
| 1984-04-10 | Dan Petry | R | 25 | L 5-1 | vs TEX | 2 | 137 | W | 9.0 | 4 | 1 | 1 | 0 | 3 | 7 | 0 | 0 | 0 | -- | 2-0 | 1.69 | 1.00 |
| 1984-04-12 | Jack Morris | R | 29 | L 9-4 | vs TEX | 3 | 178 | W | 7.0 | 7 | 2 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | -- | 3-0 | 0.39 | 0.83 |
| 1984-04-13 | Milt Wilcox | R | 34 | W 13-9 | @ BOS | 2 | 234 | - | 0.2 | 4 | 5 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | -- | 1-0 | 6.75 | 1.63 |
| 1984-04-18 | Jack Morris | R | 29 | L 4-3 | vs KCA | 4 | 179 | - | 9.0 | 9 | 3 | 3 | 1 | 0 | 3 | 0 | 0 | 0 | -- | 3-0 | 1.13 | 0.88 |
| 1984-04-19 | Dan Petry | R | 25 | W 2-5 | vs KCA | 3 | 138 | L | 8.0 | 8 | 5 | 4 | 1 | 2 | 4 | 0 | 0 | 0 | -- | 2-1 | 2.63 | 1.08 |
| 1984-04-20 | Milt Wilcox | R | 34 | L 3-2 | vs CHA | 3 | 235 | - | 8.0 | 8 | 2 | 2 | 1 | 3 | 3 | 0 | 0 | 0 | -- | 1-0 | 4.50 | 1.50 |
| 1984-04-21 | Dave Rozema | R | 28 | L 4-1 | vs CHA | 2 | 114 | W | 6.0 | 2 | 0 | 0 | 0 | 2 | 7 | 0 | 0 | 0 | -- | 1-0 | 1.80 | 1.00 |
| 1984-04-22 | Juan Berenguer | R | 29 | L 9-1 | vs CHA | 1 | 43 | W | 7.0 | 2 | 0 | 0 | 0 | 1 | 7 | 0 | 0 | 0 | -- | 1-0 | 0.00 | 0.43 |
| 1984-04-24 | Jack Morris | R | 29 | L 6-5 | vs MIN | 5 | 180 | W | 9.0 | 7 | 5 | 5 | 1 | 5 | 1 | 0 | 0 | 0 | -- | 4-0 | 1.98 | 0.98 |
| 1984-04-24 | Dan Petry | R | 25 | L 4-3 | vs MIN | 4 | 139 | - | 3.0 | 2 | 1 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | -- | 2-1 | 2.67 | 1.11 |
| 1984-04-25 | Milt Wilcox | R | 34 | W 9-4 | @ TEX | 4 | 236 | W | 6.0 | 6 | 2 | 2 | 1 | 2 | 2 | 0 | 0 | 0 | -- | 2-0 | 4.09 | 1.45 |
| 1984-04-26 | Dave Rozema | R | 28 | W 7-5 | @ TEX | 3 | 115 | - | 4.1 | 7 | 5 | 5 | 3 | 0 | 1 | 0 | 0 | 0 | -- | 1-0 | 4.50 | 1.21 |
| 1984-04-27 | Juan Berenguer | R | 29 | W 4-8 | vs CLE | 2 | 44 | - | 7.2 | 7 | 3 | 1 | 0 | 3 | 6 | 0 | 0 | 0 | -- | 1-0 | 0.60 | 0.87 |
| 1984-04-28 | Jack Morris | R | 29 | L 6-2 | vs CLE | 6 | 181 | W | 9.0 | 3 | 2 | 2 | 0 | 3 | 5 | 0 | 0 | 0 | -- | 5-0 | 1.98 | 0.92 |
| 1984-04-29 | Dan Petry | R | 25 | L 6-1 | vs CLE | 5 | 140 | W | 8.0 | 1 | 0 | 0 | 0 | 2 | 7 | 0 | 0 | 0 | -- | 3-1 | 2.06 | 0.94 |
| 1984-05-01 | Milt Wilcox | R | 34 | L 11-2 | vs BOS | 5 | 237 | W | 8.0 | 7 | 2 | 1 | 0 | 1 | 5 | 0 | 0 | 0 | -- | 3-0 | 3.30 | 1.33 |
| 1984-05-02 | Juan Berenguer | R | 29 | W 4-5 | vs BOS | 3 | 45 | L | 6.0 | 5 | 5 | 5 | 2 | 5 | 3 | 0 | 0 | 0 | -- | 1-1 | 2.57 | 1.10 |
| 1984-05-03 | Jack Morris | R | 29 | W 0-1 | vs BOS | 7 | 182 | L | 9.0 | 5 | 1 | 1 | 1 | 3 | 8 | 0 | 0 | 0 | -- | 5-1 | 1.83 | 0.92 |
| 1984-05-04 | Dan Petry | R | 25 | W 9-2 | @ CLE | 6 | 141 | W | 5.0 | 6 | 2 | 2 | 0 | 6 | 5 | 0 | 0 | 0 | -- | 4-1 | 2.25 | 1.13 |
| 1984-05-05 | Glenn Abbott | R | 33 | W 6-5 | @ CLE | 1 | 199 | W | 5.1 | 6 | 4 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | -- | 2-1 | 3.60 | 1.20 |
| 1984-05-06 | Milt Wilcox | R | 34 | W 6-5 | @ CLE | 6 | 238 | - | 5.0 | 8 | 5 | 4 | 0 | 3 | 5 | 0 | 0 | 0 | -- | 3-0 | 3.86 | 1.46 |
| 1984-05-07 | Juan Berenguer | R | 29 | W 10-3 | @ KCA | 4 | 46 | W | 6.2 | 6 | 3 | 3 | 0 | 4 | 2 | 0 | 0 | 0 | -- | 2-1 | 3.00 | 1.22 |
| 1984-05-08 | Jack Morris | R | 29 | W 5-2 | @ KCA | 8 | 183 | W | 9.0 | 7 | 2 | 2 | 1 | 2 | 5 | 0 | 0 | 0 | -- | 6-1 | 1.85 | 0.93 |
| 1984-05-09 | Dan Petry | R | 25 | W 3-1 | @ KCA | 7 | 142 | W | 6.2 | 7 | 1 | 1 | 0 | 4 | 5 | 0 | 0 | 0 | -- | 5-1 | 2.11 | 1.19 |
| 1984-05-11 | Milt Wilcox | R | 34 | L 8-2 | vs CAL | 7 | 239 | W | 6.0 | 6 | 0 | 0 | 0 | 1 | 5 | 0 | 0 | 0 | -- | 4-0 | 3.29 | 1.41 |
| 1984-05-12 | Juan Berenguer | R | 29 | W 2-4 | vs CAL | 5 | 47 | L | 6.2 | 10 | 3 | 3 | 1 | 3 | 6 | 0 | 0 | 0 | -- | 2-2 | 3.18 | 1.35 |
| 1984-05-14 | Dan Petry | R | 26 | L 7-5 | vs SEA | 8 | 143 | - | 5.0 | 6 | 3 | 3 | 1 | 2 | 1 | 0 | 0 | 0 | -- | 5-1 | 2.42 | 1.23 |
| 1984-05-15 | Jack Morris | R | 29 | L 6-4 | vs SEA | 9 | 184 | W | 7.0 | 3 | 4 | 3 | 1 | 5 | 4 | 0 | 0 | 0 | -- | 7-1 | 2.04 | 0.95 |
| 1984-05-16 | Milt Wilcox | R | 34 | L 10-1 | vs SEA | 8 | 240 | W | 6.0 | 4 | 1 | 1 | 0 | 2 | 5 | 0 | 0 | 0 | -- | 5-0 | 3.06 | 1.36 |
| 1984-05-18 | Dan Petry | R | 26 | L 8-4 | vs OAK | 9 | 144 | W | 5.1 | 7 | 4 | 4 | 2 | 2 | 4 | 0 | 0 | 0 | -- | 6-1 | 2.84 | 1.28 |
| 1984-05-19 | Jack Morris | R | 29 | L 5-4 | vs OAK | 10 | 185 | W | 7.1 | 8 | 3 | 3 | 0 | 6 | 6 | 0 | 0 | 0 | -- | 8-1 | 2.20 | 1.04 |
| 1984-05-20 | Milt Wilcox | R | 34 | L 4-3 | vs OAK | 9 | 241 | W | 6.0 | 3 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | -- | 6-0 | 3.06 | 1.28 |
| 1984-05-22 | Juan Berenguer | R | 29 | W 3-1 | @ CAL | 6 | 48 | W | 6.0 | 3 | 1 | 1 | 1 | 3 | 9 | 0 | 0 | 0 | -- | 3-2 | 2.93 | 1.30 |
| 1984-05-23 | Dan Petry | R | 26 | W 4-2 | @ CAL | 10 | 145 | W | 7.0 | 5 | 2 | 2 | 1 | 2 | 5 | 0 | 0 | 0 | -- | 7-1 | 2.81 | 1.25 |
| 1984-05-24 | Jack Morris | R | 29 | W 5-1 | @ CAL | 11 | 186 | W | 9.0 | 4 | 1 | 0 | 0 | 1 | 10 | 0 | 0 | 0 | -- | 9-1 | 1.98 | 0.99 |
| 1984-05-25 | Milt Wilcox | R | 34 | L 3-7 | @ SEA | 10 | 242 | L | 4.2 | 9 | 6 | 5 | 1 | 1 | 2 | 0 | 0 | 0 | -- | 6-1 | 3.63 | 1.37 |
| 1984-05-26 | Juan Berenguer | R | 29 | L 5-9 | @ SEA | 7 | 49 | L | 0.1 | 5 | 4 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | -- | 3-3 | 3.83 | 1.45 |
| 1984-05-27 | Dan Petry | R | 26 | L 1-6 | @ SEA | 11 | 146 | L | 4.0 | 9 | 4 | 2 | 0 | 1 | 4 | 0 | 0 | 0 | -- | 7-2 | 2.91 | 1.32 |
| 1984-05-28 | Jack Morris | R | 29 | W 6-2 | @ OAK | 12 | 187 | W | 9.0 | 7 | 2 | 1 | 0 | 0 | 8 | 0 | 0 | 0 | -- | 10-1 | 1.89 | 0.97 |
| 1984-05-29 | Milt Wilcox | R | 34 | L 5-8 | @ OAK | 11 | 243 | L | 3.1 | 7 | 7 | 7 | 1 | 3 | 1 | 0 | 0 | 0 | -- | 6-2 | 4.43 | 1.44 |
| 1984-05-30 | Juan Berenguer | R | 29 | W 2-1 | @ OAK | 8 | 50 | - | 4.2 | 2 | 1 | 0 | 0 | 4 | 2 | 0 | 0 | 0 | -- | 3-3 | 3.40 | 1.42 |
| 1984-06-01 | Dan Petry | R | 26 | L 14-2 | vs BAL | 12 | 147 | W | 6.0 | 3 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | -- | 8-2 | 2.68 | 1.27 |
| 1984-06-02 | Jack Morris | R | 29 | W 0-5 | vs BAL | 13 | 188 | L | 6.0 | 7 | 5 | 5 | 2 | 1 | 1 | 0 | 0 | 0 | -- | 10-2 | 2.21 | 0.99 |
| 1984-06-03 | Milt Wilcox | R | 34 | W 1-2 | vs BAL | 12 | 244 | L | 5.2 | 4 | 2 | 1 | 0 | 6 | 4 | 0 | 0 | 0 | -- | 6-3 | 4.23 | 1.48 |
| 1984-06-04 | Juan Berenguer | R | 30 | L 6-3 | vs TOR | 9 | 51 | - | 6.2 | 8 | 3 | 3 | 2 | 2 | 7 | 0 | 0 | 0 | -- | 3-3 | 3.46 | 1.42 |
| 1984-06-05 | Glenn Abbott | R | 33 | W 4-8 | vs TOR | 2 | 200 | L | 3.1 | 6 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | -- | 2-2 | 5.57 | 1.29 |
| 1984-06-06 | Dan Petry | R | 26 | W 3-6 | vs TOR | 13 | 148 | L | 4.0 | 10 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | -- | 8-3 | 3.12 | 1.33 |
| 1984-06-07 | Jack Morris | R | 29 | L 5-3 | vs TOR | 14 | 189 | W | 9.0 | 7 | 3 | 1 | 0 | 1 | 4 | 0 | 0 | 0 | -- | 11-2 | 2.11 | 0.98 |
| 1984-06-08 | Milt Wilcox | R | 34 | W 3-2 | @ BAL | 13 | 245 | W | 6.0 | 4 | 2 | 2 | 0 | 2 | 1 | 0 | 0 | 0 | -- | 7-3 | 4.13 | 1.44 |
| 1984-06-09 | Juan Berenguer | R | 30 | L 0-4 | @ BAL | 10 | 52 | L | 5.1 | 3 | 2 | 2 | 0 | 4 | 6 | 0 | 0 | 0 | -- | 3-4 | 3.47 | 1.42 |
| 1984-06-10 | Glenn Abbott | R | 33 | W 10-4 | @ BAL | 3 | 201 | - | 2.2 | 7 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | -- | 2-2 | 6.26 | 1.52 |
| 1984-06-10 | Dan Petry | R | 26 | W 8-0 | @ BAL | 14 | 149 | W | 9.0 | 3 | 0 | 0 | 0 | 1 | 5 | 0 | 0 | 0 | -- | 9-3 | 2.79 | 1.24 |
| 1984-06-11 | Dave Rozema | R | 28 | W 5-4 | @ TOR | 4 | 116 | W | 5.0 | 4 | 3 | 3 | 1 | 0 | 2 | 0 | 0 | 0 | -- | 2-0 | 3.09 | 1.03 |
| 1984-06-12 | Jack Morris | R | 29 | L 3-12 | @ TOR | 15 | 190 | L | 3.0 | 8 | 6 | 6 | 0 | 2 | 3 | 0 | 0 | 0 | -- | 11-3 | 2.52 | 1.04 |
| 1984-06-13 | Milt Wilcox | R | 34 | L 3-7 | @ TOR | 14 | 246 | L | 5.0 | 6 | 4 | 4 | 0 | 1 | 2 | 0 | 0 | 0 | -- | 7-4 | 4.32 | 1.44 |
| 1984-06-15 | Dan Petry | R | 26 | W 3-2 | @ MIL | 15 | 150 | W | 7.0 | 7 | 2 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | -- | 10-3 | 2.78 | 1.22 |
| 1984-06-16 | Juan Berenguer | R | 30 | W 6-0 | @ MIL | 11 | 53 | W | 9.0 | 5 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | -- | 4-4 | 3.00 | 1.35 |
| 1984-06-17 | Dave Rozema | R | 28 | W 7-4 | @ MIL | 5 | 117 | W | 5.0 | 4 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | -- | 3-0 | 2.92 | 1.03 |
| 1984-06-18 | Milt Wilcox | R | 34 | W 1-2 | vs NYA | 15 | 247 | L | 7.0 | 7 | 2 | 2 | 0 | 3 | 7 | 0 | 0 | 0 | -- | 7-5 | 4.18 | 1.44 |
| 1984-06-19 | Carl Willis | R | 23 | L 7-6 | vs NYA | 1 | 1 | - | 4.1 | 9 | 4 | 4 | 1 | 0 | 3 | 0 | 0 | 0 | -- | 0-0 | 5.00 | 1.67 |
| 1984-06-20 | Dan Petry | R | 26 | L 9-6 | vs NYA | 16 | 151 | - | 6.0 | 9 | 4 | 4 | 0 | 2 | 1 | 0 | 0 | 0 | -- | 10-3 | 2.97 | 1.26 |
| 1984-06-21 | Juan Berenguer | R | 30 | W 3-4 | vs MIL | 12 | 54 | L | 5.1 | 7 | 4 | 4 | 1 | 2 | 1 | 0 | 0 | 0 | -- | 4-5 | 3.30 | 1.38 |
| 1984-06-22 | Dave Rozema | R | 28 | L 7-3 | vs MIL | 6 | 118 | W | 6.0 | 5 | 3 | 3 | 2 | 1 | 1 | 0 | 0 | 0 | -- | 4-0 | 3.14 | 1.02 |
| 1984-06-23 | Milt Wilcox | R | 34 | L 5-1 | vs MIL | 16 | 248 | W | 8.0 | 4 | 1 | 1 | 0 | 2 | 4 | 0 | 0 | 0 | -- | 8-5 | 3.91 | 1.38 |
| 1984-06-24 | Jack Morris | R | 29 | L 7-1 | vs MIL | 16 | 191 | W | 6.0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | -- | 12-3 | 2.40 | 1.00 |
| 1984-06-25 | Dan Petry | R | 26 | L 3-7 | @ NYA | 17 | 152 | - | 6.1 | 11 | 3 | 3 | 0 | 2 | 2 | 0 | 0 | 0 | -- | 10-3 | 3.06 | 1.31 |
| 1984-06-26 | Juan Berenguer | R | 30 | W 9-7 | @ NYA | 13 | 55 | - | 2.1 | 5 | 3 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | -- | 4-5 | 3.53 | 1.41 |
| 1984-06-27 | Dave Rozema | R | 28 | L 4-5 | @ NYA | 7 | 119 | - | 6.0 | 5 | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | -- | 4-0 | 3.12 | 1.04 |
| 1984-06-29 | Jack Morris | R | 29 | W 3-5 | vs MIN | 17 | 192 | L | 5.2 | 10 | 5 | 5 | 1 | 3 | 2 | 0 | 0 | 0 | -- | 12-4 | 2.63 | 1.05 |
| 1984-06-29 | Milt Wilcox | R | 34 | L 7-5 | vs MIN | 17 | 249 | - | 5.0 | 5 | 5 | 5 | 2 | 1 | 4 | 0 | 0 | 0 | -- | 8-5 | 4.18 | 1.37 |
| 1984-06-30 | Dan Petry | R | 26 | L 4-3 | vs MIN | 18 | 153 | W | 8.1 | 7 | 3 | 3 | 1 | 3 | 10 | 0 | 0 | 0 | -- | 11-3 | 3.05 | 1.30 |
| 1984-07-01 | Juan Berenguer | R | 30 | W 0-9 | vs MIN | 14 | 56 | L | 5.0 | 7 | 6 | 5 | 1 | 1 | 2 | 0 | 0 | 0 | -- | 4-6 | 3.87 | 1.42 |
| 1984-07-02 | Dave Rozema | R | 28 | L 1-7 | @ CHA | 8 | 120 | L | 4.0 | 5 | 4 | 4 | 2 | 2 | 2 | 0 | 0 | 0 | -- | 4-1 | 3.57 | 1.09 |
| 1984-07-03 | Jack Morris | R | 29 | L 5-9 | @ CHA | 18 | 193 | L | 4.1 | 9 | 8 | 8 | 1 | 2 | 1 | 0 | 0 | 0 | -- | 12-5 | 3.09 | 1.10 |
| 1984-07-04 | Milt Wilcox | R | 34 | L 2-8 | @ CHA | 18 | 250 | L | 5.2 | 5 | 6 | 6 | 0 | 7 | 2 | 0 | 0 | 0 | -- | 8-6 | 4.46 | 1.41 |
| 1984-07-05 | Dan Petry | R | 26 | W 7-4 | @ TEX | 19 | 154 | - | 5.2 | 8 | 4 | 4 | 0 | 2 | 6 | 0 | 0 | 0 | -- | 11-3 | 3.23 | 1.33 |
| 1984-07-06 | Juan Berenguer | R | 30 | L 3-5 | @ TEX | 15 | 57 | L | 2.2 | 5 | 3 | 3 | 0 | 2 | 2 | 0 | 0 | 0 | -- | 4-7 | 4.11 | 1.47 |
| 1984-07-07 | Dave Rozema | R | 28 | W 5-2 | @ TEX | 9 | 121 | W | 6.0 | 9 | 2 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | -- | 5-1 | 3.36 | 1.15 |
| 1984-07-08 | Doug Bair | R | 35 | L 7-9 | @ TEX | 1 | 2 | L | 2.2 | 8 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 4-2 | 3.50 | 1.20 |
| 1984-07-12 | Dan Petry | R | 26 | L 2-4 | @ MIN | 20 | 155 | L | 7.1 | 9 | 4 | 3 | 0 | 0 | 2 | 0 | 0 | 0 | -- | 11-4 | 3.23 | 1.31 |
| 1984-07-13 | Jack Morris | R | 29 | W 5-3 | @ MIN | 19 | 194 | - | 7.1 | 8 | 3 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | -- | 12-5 | 2.98 | 1.10 |
| 1984-07-14 | Milt Wilcox | R | 34 | W 6-5 | @ MIN | 19 | 251 | - | 5.2 | 8 | 4 | 4 | 1 | 0 | 2 | 0 | 0 | 0 | -- | 8-6 | 4.54 | 1.40 |
| 1984-07-15 | Dave Rozema | R | 28 | W 6-2 | @ MIN | 10 | 122 | W | 5.1 | 8 | 2 | 1 | 0 | 1 | 5 | 0 | 0 | 0 | -- | 6-1 | 3.18 | 1.18 |
| 1984-07-16 | Glenn Abbott | R | 33 | L 7-1 | vs CHA | 4 | 202 | W | 9.0 | 5 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | -- | 3-2 | 4.78 | 1.28 |
| 1984-07-17 | Dan Petry | R | 26 | L 3-2 | vs CHA | 21 | 156 | W | 7.2 | 5 | 2 | 2 | 1 | 1 | 5 | 0 | 0 | 0 | -- | 12-4 | 3.20 | 1.29 |
| 1984-07-18 | Jack Morris | R | 29 | W 6-10 | vs CHA | 20 | 195 | L | 4.0 | 10 | 7 | 7 | 0 | 2 | 1 | 0 | 0 | 0 | -- | 12-6 | 3.33 | 1.15 |
| 1984-07-19 | Milt Wilcox | R | 34 | L 9-2 | vs TEX | 20 | 252 | W | 7.1 | 8 | 2 | 2 | 0 | 0 | 7 | 0 | 0 | 0 | -- | 9-6 | 4.42 | 1.39 |
| 1984-07-20 | Dave Rozema | R | 28 | L 3-1 | vs TEX | 11 | 123 | W | 8.0 | 6 | 1 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | -- | 7-1 | 2.96 | 1.14 |
| 1984-07-21 | Glenn Abbott | R | 33 | L 7-6 | vs TEX | 5 | 203 | - | 2.1 | 5 | 5 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | -- | 3-2 | 5.40 | 1.31 |
| 1984-07-22 | Dan Petry | R | 26 | L 2-0 | vs TEX | 22 | 157 | W | 8.2 | 4 | 0 | 0 | 0 | 1 | 8 | 0 | 0 | 0 | -- | 13-4 | 3.00 | 1.24 |
| 1984-07-23 | Jack Morris | R | 29 | W 4-1 | @ CLE | 21 | 196 | W | 6.0 | 5 | 0 | 0 | 0 | 5 | 5 | 0 | 0 | 0 | -- | 13-6 | 3.20 | 1.17 |
| 1984-07-24 | Milt Wilcox | R | 34 | W 9-5 | @ CLE | 21 | 253 | W | 6.2 | 6 | 4 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | -- | 10-6 | 4.17 | 1.37 |
| 1984-07-25 | Dave Rozema | R | 28 | L 1-4 | @ CLE | 12 | 124 | L | 6.1 | 7 | 4 | 3 | 1 | 0 | 4 | 0 | 0 | 0 | -- | 7-2 | 3.08 | 1.14 |
| 1984-07-27 | Dan Petry | R | 26 | L 9-1 | vs BOS | 23 | 158 | W | 9.0 | 6 | 1 | 1 | 1 | 3 | 4 | 0 | 0 | 0 | -- | 14-4 | 2.88 | 1.23 |
| 1984-07-27 | Glenn Abbott | R | 33 | W 0-4 | vs BOS | 6 | 204 | L | 3.1 | 10 | 4 | 4 | 0 | 1 | 1 | 0 | 0 | 0 | -- | 3-3 | 5.92 | 1.50 |
| 1984-07-28 | Jack Morris | R | 29 | W 2-3 | vs BOS | 22 | 197 | L | 7.0 | 8 | 3 | 2 | 1 | 3 | 7 | 0 | 0 | 0 | -- | 13-7 | 3.17 | 1.19 |
| 1984-07-29 | Milt Wilcox | R | 34 | L 3-0 | vs BOS | 22 | 254 | W | 8.0 | 3 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | -- | 11-6 | 3.92 | 1.31 |
| 1984-07-31 | Juan Berenguer | R | 30 | L 5-1 | vs CLE | 16 | 58 | W | 6.1 | 4 | 1 | 1 | 0 | 2 | 4 | 0 | 0 | 0 | -- | 5-7 | 3.98 | 1.44 |
| 1984-07-31 | Dave Rozema | R | 28 | W 4-6 | vs CLE | 13 | 125 | L | 2.1 | 7 | 6 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | -- | 7-3 | 3.44 | 1.20 |
| 1984-08-01 | Dan Petry | R | 26 | W 2-4 | vs CLE | 24 | 159 | L | 7.1 | 6 | 3 | 2 | 2 | 1 | 5 | 0 | 0 | 0 | -- | 14-5 | 2.87 | 1.22 |
| 1984-08-02 | Jack Morris | R | 29 | L 2-1 | vs CLE | 23 | 198 | W | 8.0 | 7 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | -- | 14-7 | 3.07 | 1.17 |
| 1984-08-03 | Milt Wilcox | R | 34 | W 6-9 | vs KCA | 23 | 255 | L | 3.0 | 6 | 6 | 6 | 1 | 1 | 5 | 0 | 0 | 0 | -- | 11-7 | 4.23 | 1.33 |
| 1984-08-04 | Glenn Abbott | R | 33 | W 5-9 | vs KCA | 7 | 205 | - | 5.1 | 8 | 4 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | -- | 3-3 | 6.07 | 1.51 |
| 1984-08-05 | Dave Rozema | R | 28 | W 4-5 | vs KCA | 14 | 126 | - | 6.0 | 10 | 3 | 3 | 1 | 1 | 2 | 0 | 0 | 0 | -- | 7-3 | 3.52 | 1.24 |
| 1984-08-05 | Juan Berenguer | R | 30 | W 0-4 | vs KCA | 17 | 59 | L | 9.0 | 8 | 4 | 4 | 1 | 2 | 8 | 0 | 0 | 0 | -- | 5-8 | 3.98 | 1.41 |
| 1984-08-06 | Dan Petry | R | 26 | W 9-7 | @ BOS | 25 | 160 | - | 4.2 | 11 | 6 | 4 | 2 | 2 | 2 | 0 | 0 | 0 | -- | 14-5 | 3.00 | 1.26 |
| 1984-08-06 | Carl Willis | R | 24 | L 2-10 | @ BOS | 2 | 2 | L | 0.1 | 5 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0-2 | 8.36 | 2.00 |
| 1984-08-07 | Jack Morris | R | 29 | L 7-12 | @ BOS | 24 | 199 | L | 1.1 | 6 | 9 | 8 | 2 | 2 | 2 | 0 | 0 | 0 | -- | 14-8 | 3.48 | 1.21 |
| 1984-08-07 | Milt Wilcox | R | 34 | W 7-5 | @ BOS | 24 | 256 | - | 6.2 | 10 | 5 | 5 | 2 | 1 | 5 | 0 | 0 | 0 | -- | 11-7 | 4.37 | 1.35 |
| 1984-08-08 | Glenn Abbott | R | 33 | L 0-8 | @ BOS | 8 | 206 | L | 0.2 | 5 | 5 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | -- | 3-4 | 5.93 | 1.59 |
| 1984-08-10 | Dan Petry | R | 26 | W 5-4 | @ KCA | 26 | 161 | - | 6.2 | 7 | 4 | 4 | 1 | 2 | 5 | 0 | 0 | 0 | -- | 14-5 | 3.09 | 1.26 |
| 1984-08-11 | Jack Morris | R | 29 | W 9-5 | @ KCA | 25 | 200 | W | 8.2 | 11 | 5 | 5 | 1 | 0 | 4 | 0 | 0 | 0 | -- | 15-8 | 3.56 | 1.21 |
| 1984-08-12 | Milt Wilcox | R | 34 | W 8-4 | @ KCA | 25 | 257 | W | 6.1 | 3 | 3 | 3 | 0 | 2 | 2 | 0 | 0 | 0 | -- | 12-7 | 4.35 | 1.32 |
| 1984-08-14 | Juan Berenguer | R | 30 | W 4-6 | vs CAL | 18 | 60 | - | 6.0 | 5 | 3 | 3 | 0 | 3 | 6 | 0 | 0 | 0 | -- | 5-8 | 3.91 | 1.40 |
| 1984-08-14 | Dave Rozema | R | 28 | W 1-12 | vs CAL | 15 | 127 | L | 2.0 | 7 | 5 | 5 | 0 | 0 | 2 | 0 | 0 | 0 | -- | 7-4 | 3.96 | 1.31 |
| 1984-08-15 | Dan Petry | R | 26 | L 8-3 | vs CAL | 27 | 162 | W | 8.0 | 8 | 3 | 3 | 2 | 1 | 5 | 0 | 0 | 0 | -- | 15-5 | 3.10 | 1.26 |
| 1984-08-16 | Jack Morris | R | 29 | L 8-7 | vs CAL | 26 | 201 | - | 3.2 | 9 | 7 | 7 | 1 | 4 | 4 | 0 | 0 | 0 | -- | 15-8 | 3.85 | 1.27 |
| 1984-08-17 | Milt Wilcox | R | 34 | L 6-2 | vs SEA | 26 | 258 | W | 8.0 | 7 | 1 | 1 | 0 | 3 | 5 | 0 | 0 | 0 | -- | 13-7 | 4.18 | 1.32 |
| 1984-08-18 | Juan Berenguer | R | 30 | L 4-3 | vs SEA | 19 | 61 | W | 8.1 | 3 | 3 | 2 | 0 | 4 | 12 | 0 | 0 | 0 | -- | 6-8 | 3.77 | 1.35 |
| 1984-08-19 | Dan Petry | R | 26 | W 1-4 | vs SEA | 28 | 163 | L | 9.0 | 10 | 4 | 4 | 0 | 3 | 11 | 0 | 0 | 0 | -- | 15-6 | 3.14 | 1.26 |
| 1984-08-20 | Jack Morris | R | 29 | L 14-1 | vs OAK | 27 | 202 | W | 7.0 | 3 | 1 | 1 | 0 | 3 | 6 | 0 | 0 | 0 | -- | 16-8 | 3.75 | 1.25 |
| 1984-08-21 | Milt Wilcox | R | 34 | L 12-6 | vs OAK | 27 | 259 | W | 6.0 | 4 | 2 | 2 | 1 | 0 | 7 | 0 | 0 | 0 | -- | 14-7 | 4.14 | 1.29 |
| 1984-08-22 | Juan Berenguer | R | 30 | L 11-4 | vs OAK | 20 | 62 | W | 7.0 | 5 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | -- | 7-8 | 3.64 | 1.34 |
| 1984-08-24 | Dan Petry | R | 26 | L 3-5 | @ CAL | 29 | 164 | L | 8.0 | 6 | 5 | 5 | 0 | 3 | 3 | 0 | 0 | 0 | -- | 15-7 | 3.24 | 1.26 |
| 1984-08-25 | Jack Morris | R | 29 | W 5-1 | @ CAL | 28 | 203 | W | 8.0 | 9 | 1 | 1 | 0 | 5 | 4 | 0 | 0 | 0 | -- | 17-8 | 3.65 | 1.27 |
| 1984-08-26 | Milt Wilcox | R | 34 | W 12-6 | @ CAL | 28 | 260 | W | 6.0 | 5 | 3 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | -- | 15-7 | 3.99 | 1.28 |
| 1984-08-28 | Juan Berenguer | R | 30 | W 5-4 | @ SEA | 21 | 63 | - | 6.2 | 5 | 4 | 1 | 0 | 4 | 5 | 0 | 0 | 0 | -- | 7-8 | 3.55 | 1.34 |
| 1984-08-29 | Dan Petry | R | 26 | L 1-5 | @ SEA | 30 | 165 | L | 4.1 | 10 | 5 | 5 | 1 | 0 | 1 | 0 | 0 | 0 | -- | 15-8 | 3.40 | 1.28 |
| 1984-08-30 | Jack Morris | R | 29 | L 1-2 | @ SEA | 29 | 204 | L | 8.0 | 4 | 1 | 1 | 0 | 3 | 8 | 4 | 4 | 0 | 0% | 17-9 | 3.55 | 1.26 |
| 1984-08-31 | Milt Wilcox | R | 34 | L 6-7 | @ OAK | 29 | 261 | - | 3.2 | 4 | 5 | 4 | 0 | 5 | 1 | 0 | 0 | 0 | -- | 15-7 | 4.13 | 1.31 |
| 1984-09-01 | Juan Berenguer | R | 30 | L 5-7 | @ OAK | 22 | 64 | L | 0.2 | 3 | 6 | 6 | 1 | 3 | 1 | 0 | 0 | 0 | -- | 7-9 | 3.91 | 1.38 |
| 1984-09-02 | Dan Petry | R | 26 | W 6-3 | @ OAK | 31 | 166 | W | 5.1 | 11 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | -- | 16-8 | 3.45 | 1.31 |
| 1984-09-03 | Jack Morris | R | 29 | W 4-7 | vs BAL | 30 | 205 | L | 7.2 | 9 | 6 | 6 | 0 | 4 | 6 | 0 | 0 | 0 | -- | 17-10 | 3.67 | 1.27 |
| 1984-09-04 | Dave Rozema | R | 28 | W 1-4 | vs BAL | 16 | 128 | L | 0.1 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 7-6 | 3.90 | 1.31 |
| 1984-09-05 | Juan Berenguer | R | 30 | L 1-0 | vs BAL | 23 | 65 | W | 7.1 | 2 | 0 | 0 | 0 | 3 | 7 | 0 | 0 | 0 | -- | 8-9 | 3.72 | 1.34 |
| 1984-09-07 | Dan Petry | R | 26 | W 7-4 | @ TOR | 32 | 167 | - | 5.1 | 6 | 4 | 2 | 1 | 1 | 3 | 0 | 0 | 0 | -- | 16-8 | 3.44 | 1.30 |
| 1984-09-08 | Jack Morris | R | 29 | W 10-4 | @ TOR | 31 | 206 | - | 4.1 | 5 | 2 | 2 | 1 | 1 | 2 | 0 | 0 | 0 | -- | 17-10 | 3.68 | 1.27 |
| 1984-09-09 | Milt Wilcox | R | 34 | W 7-2 | @ TOR | 30 | 262 | W | 6.0 | 8 | 2 | 2 | 0 | 0 | 5 | 0 | 0 | 0 | -- | 16-7 | 4.09 | 1.31 |
| 1984-09-10 | Juan Berenguer | R | 30 | L 1-3 | @ BAL | 24 | 66 | L | 7.0 | 5 | 2 | 2 | 1 | 4 | 3 | 0 | 0 | 0 | -- | 8-10 | 3.67 | 1.34 |
| 1984-09-11 | Dan Petry | R | 26 | W 9-2 | @ BAL | 33 | 168 | W | 6.2 | 5 | 2 | 2 | 1 | 4 | 6 | 0 | 0 | 0 | -- | 17-8 | 3.43 | 1.31 |
| 1984-09-12 | Roger Mason | R | 26 | L 1-3 | @ BAL | 1 | 1 | L | 4.0 | 6 | 3 | 3 | 0 | 2 | 3 | 0 | 0 | 0 | -- | 0-1 | 3.75 | 1.33 |
| 1984-09-14 | Jack Morris | R | 29 | W 2-7 | vs TOR | 32 | 207 | L | 6.0 | 7 | 5 | 5 | 3 | 3 | 1 | 0 | 0 | 0 | -- | 17-11 | 3.79 | 1.29 |
| 1984-09-15 | Milt Wilcox | R | 34 | L 2-1 | vs TOR | 31 | 263 | W | 7.0 | 1 | 1 | 1 | 1 | 1 | 8 | 0 | 0 | 0 | -- | 17-7 | 3.98 | 1.27 |
| 1984-09-16 | Juan Berenguer | R | 30 | L 8-3 | vs TOR | 25 | 67 | W | 5.0 | 3 | 2 | 1 | 1 | 3 | 4 | 0 | 0 | 0 | -- | 9-10 | 3.61 | 1.34 |
| 1984-09-17 | Roger Mason | R | 26 | L 7-3 | vs MIL | 2 | 2 | W | 6.0 | 6 | 2 | 2 | 0 | 2 | 4 | 0 | 0 | 0 | -- | 1-1 | 3.50 | 1.33 |
| 1984-09-18 | Randy O'Neal | R | 24 | L 3-0 | vs MIL | 1 | 1 | W | 7.0 | 4 | 0 | 0 | 0 | 1 | 6 | 0 | 0 | 0 | -- | 1-0 | 0.00 | 0.70 |
| 1984-09-19 | Jack Morris | R | 29 | L 4-2 | vs MIL | 33 | 208 | W | 6.0 | 9 | 2 | 2 | 1 | 1 | 3 | 0 | 0 | 0 | -- | 18-11 | 3.77 | 1.30 |
| 1984-09-21 | Milt Wilcox | R | 34 | W 3-5 | vs NYA | 32 | 264 | L | 5.1 | 5 | 5 | 4 | 0 | 5 | 3 | 0 | 0 | 0 | -- | 17-8 | 4.05 | 1.28 |
| 1984-09-22 | Dan Petry | R | 26 | L 6-0 | vs NYA | 34 | 169 | W | 9.0 | 4 | 0 | 0 | 0 | 2 | 9 | 0 | 0 | 0 | -- | 18-8 | 3.29 | 1.28 |
| 1984-09-23 | Jack Morris | R | 29 | L 4-1 | vs NYA | 34 | 209 | W | 6.0 | 2 | 0 | 0 | 0 | 4 | 4 | 0 | 0 | 0 | -- | 19-11 | 3.67 | 1.29 |
| 1984-09-24 | Juan Berenguer | R | 30 | W 7-3 | @ MIL | 26 | 68 | W | 5.0 | 5 | 1 | 1 | 0 | 2 | 3 | 0 | 0 | 0 | -- | 10-10 | 3.56 | 1.34 |
| 1984-09-25 | Randy O'Neal | R | 24 | W 9-1 | @ MIL | 2 | 2 | W | 5.0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | -- | 2-0 | 0.00 | 0.60 |
| 1984-09-26 | Milt Wilcox | R | 34 | L 5-7 | @ MIL | 33 | 265 | - | 5.0 | 4 | 1 | 1 | 0 | 3 | 2 | 0 | 0 | 0 | -- | 17-8 | 3.99 | 1.28 |
| 1984-09-27 | Jack Morris | R | 29 | L 1-2 | @ NYA | 35 | 210 | - | 7.0 | 2 | 1 | 1 | 0 | 6 | 3 | 0 | 0 | 0 | -- | 19-11 | 3.60 | 1.28 |
| 1984-09-28 | Dan Petry | R | 26 | W 4-2 | @ NYA | 35 | 170 | - | 6.0 | 5 | 1 | 1 | 0 | 1 | 4 | 0 | 0 | 0 | -- | 18-8 | 3.24 | 1.27 |
| 1984-09-29 | Juan Berenguer | R | 30 | W 11-3 | @ NYA | 27 | 69 | W | 6.0 | 2 | 1 | 1 | 0 | 6 | 1 | 0 | 0 | 0 | -- | 11-10 | 3.48 | 1.34 |
| 1984-09-30 | Randy O'Neal | R | 24 | L 2-9 | @ NYA | 3 | 3 | L | 3.2 | 9 | 7 | 7 | 0 | 4 | 1 | 0 | 0 | 0 | -- | 2-1 | 3.32 | 1.16 |