| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 8.64 | 191508140_MIN_BOS |
| Jim Scott | CHA | 3.6 | 191508140_DET_CHA |
| Smoky Joe Wood | BOS | 2.39 | 191508160_MIN_BOS |
| Ray Fisher | NYA | 1.24 | 191508140_OAK_NYA |
| Harry Coveleski | DET | 0.75 | 191508161_DET_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Bressler | OAK | -9.23 | 191508160_OAK_NYA |
| Red Ames | SLN | -2.87 | 191508140_CHN_SLN |
| Phil Douglas | LAN | -2.64 | 191508160_SFN_LAN |
| Grover Lowdermilk | BAL | -1.88 | 191508142_BAL_CLE |
| Roy Walker | CLE | -1.8 | 191508161_DET_CLE |
Based on accumulated WAA for this season up to 1915-08-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.81 | Pete Alexander | 262.7 | PHI |
| +003+ | 6.7 | Walter Johnson | 244.7 | MIN |
| +008+ | 4.84 | Smoky Joe Wood | 141.3 | BOS |
| +012+ | 4.24 | Jim Scott | 211.7 | CHA |
| +015+ | 3.57 | Guy Morton | 214 | CLE |
| +016+ | 3.5 | Ray Fisher | 186.7 | NYA |
| +019+ | 3.02 | Joe Benz | 158.7 | CHA |
| +020+ | 2.97 | Eppa Rixey | 141.7 | PHI |
| +022+ | 2.94 | Rube Foster | 179.7 | BOS |
| +021+ | 2.94 | Bert Humphries | 114.3 | CHN |
| +023+ | 2.9 | Ernie Shore | 163 | BOS |
| +025+ | 2.83 | Gene Dale | 203 | CIN |
| +028+ | 2.79 | Harry Coveleski | 224.3 | DET |
| +036+ | 2.31 | Bert Gallia | 183 | MIN |
| +039+ | 2.26 | Jack Coombs | 137 | LAN |
| +041+ | 2.24 | Jeff Pfeffer | 178.3 | LAN |
| +045+ | 2.05 | Red Faber | 226 | CHA |
| +046+ | 2.04 | Bob Harmon | 194.7 | PIT |
| +049+ | 2.03 | Sherry Smith | 127 | LAN |
| +047+ | 2.03 | Ernie Koob | 75.7 | BAL |
| +050+ | 2.02 | Sailor Stroud | 127 | SFN |
| +054+ | 1.9 | Jeff Tesreau | 208.7 | SFN |
| +056+ | 1.87 | Erskine Mayer | 203.7 | PHI |
| +058+ | 1.84 | Hooks Dauss | 216.3 | DET |
| +062+ | 1.65 | Reb Russell | 135 | CHA |
_