| ERA* Wins Losses Saves Games Games Started Complete Games Shutouts Innings Pitched Hits Allowed Homeruns Allowed Strikeouts Walks Allowed |
| Boston Games - Single Season Leaders |
| Rank | Player | Year | Value |
| 1 | Harry Byrd | 2017 | 66 |
| 2 | Spud Chandler | 2016 | 48 |
| 3 | Guy Hecker | 2016 | 46 |
| Guy Hecker | 2017 | 46 | |
| 4 | Orval Overall | 2016 | 44 |
| Jack Coombs | 2016 | 44 | |
| Earl Moore | 2016 | 44 | |
| 5 | Pud Galvin | 2017 | 40 |
| Dolf Luque | 2016 | 40 | |
| 6 | Jack Coombs | 2017 | 38 |
| Earl Moore | 2017 | 38 | |
| 7 | Orval Overall | 2017 | 36 |
| Herb Score | 2017 | 36 | |
| 8 | Billy Pierce | 2017 | 34 |
| 9 | Dolf Luque | 2017 | 28 |
| Reb Russell | 2016 | 28 | |
| 10 | Pud Galvin | 2016 | 26 |
| 11 | John Clarkson | 2016 | 20 |