| Boston Red Sox - Pitching - ESPN Player Rating | ||||||||||||||
| RK | PLAYER | TEAM | IP | W | L | SV | BS | K | BB | HBP | BAA | HR | ERA | RAT |
| 1 | Sonny Gray | BOS | 95.0 | 11 | 1 | 0 | 0 | 85 | 24 | 3 | .229 | 10 | 2.54 | 37.7 |
| 2 | Ranger Suarez | BOS | 91.0 | 4 | 3 | 0 | 0 | 97 | 26 | 2 | .232 | 5 | 3.15 | 21.6 |
| 3 | Aroldis Chapman | BOS | 27.0 | 0 | 3 | 19 | 2 | 35 | 12 | 1 | .212 | 1 | 2.28 | 14.4 |
| 4 | Payton Tolle | BOS | 80.0 | 5 | 6 | 0 | 0 | 80 | 24 | 2 | .208 | 8 | 3.14 | 13.8 |
| 5 | Connelly Early | BOS | 91.0 | 7 | 5 | 0 | 0 | 93 | 34 | 9 | .235 | 15 | 3.44 | 9.5 |
| 6 | Jovani Moran | BOS | 38.0 | 2 | 2 | 0 | 1 | 46 | 18 | 1 | .152 | 5 | 2.82 | 9.0 |
| 7 | Garrett Whitlock | BOS | 32.0 | 4 | 1 | 1 | 1 | 36 | 6 | 0 | .212 | 3 | 2.25 | 7.8 |