| ERA* Wins Losses Saves Games Games Started Complete Games Shutouts Innings Pitched Hits Allowed Homeruns Allowed Strikeouts Walks Allowed |
| Boston Innings Pitched - Single Season Leaders |
| Rank | Player | Year | Value |
| 1 | Guy Hecker | 2017 | 184 |
| 2 | Guy Hecker | 2016 | 179.1 |
| 3 | Orval Overall | 2016 | 171.2 |
| 4 | Earl Moore | 2016 | 170 |
| 5 | Pud Galvin | 2017 | 153.1 |
| 6 | Jack Coombs | 2017 | 149 |
| 7 | Dolf Luque | 2016 | 140 |
| 8 | Earl Moore | 2017 | 137.2 |
| 9 | Orval Overall | 2017 | 111.2 |
| 10 | Spud Chandler | 2016 | 73.2 |
| 11 | John Clarkson | 2016 | 65.1 |
| 12 | Pud Galvin | 2016 | 54.2 |
| 13 | Herb Score | 2017 | 46.1 |
| 14 | Billy Pierce | 2017 | 45.1 |
| 15 | Dolf Luque | 2017 | 42 |
| 16 | Harry Byrd | 2017 | 35 |
| 17 | Reb Russell | 2016 | 27.2 |
| 18 | Jack Coombs | 2016 | 21.1 |