| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 15.75 | 191507190_MIN_CLE |
| Pete Alexander | PHI | 12.81 | 191507170_CHN_PHI |
| Jim Scott | CHA | 3.47 | 191507171_BOS_CHA |
| Smoky Joe Wood | BOS | 2.25 | 191507180_BOS_CHA |
| Bill Doak | SLN | 1.36 | 191507172_SLN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bullet Joe Bush | OAK | -3.11 | 191507170_OAK_DET |
| Roy Walker | CLE | -2.38 | 191507171_MIN_CLE |
| Ray Collins | BOS | -1.52 | 191507190_BOS_CHA |
| Jack Warhop | NYA | -1.31 | 191507170_NYA_BAL |
| Bill James | BAL | -0.83 | 191507170_NYA_BAL |
Based on accumulated WAA for this season up to 1915-07-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.78 | Pete Alexander | 207.3 | PHI |
| +003+ | 7.18 | Walter Johnson | 193.7 | MIN |
| +009+ | 3.8 | Al Mamaux | 142.7 | PIT |
| +011+ | 3.51 | Smoky Joe Wood | 102.7 | BOS |
| +013+ | 3.34 | Jim Scott | 155 | CHA |
| +017+ | 2.89 | Erskine Mayer | 166.3 | PHI |
| +020+ | 2.66 | Ray Fisher | 154.7 | NYA |
| +022+ | 2.58 | Red Faber | 190.3 | CHA |
| +026+ | 2.34 | Gene Dale | 141.7 | CIN |
| +027+ | 2.32 | Guy Morton | 172 | CLE |
| +031+ | 2.22 | Hooks Dauss | 168.3 | DET |
| +033+ | 2.08 | Bill Doak | 164.3 | SLN |
| +037+ | 1.94 | Fred Toney | 76.3 | CIN |
| +038+ | 1.9 | Bert Humphries | 84.3 | CHN |
| +039+ | 1.89 | Sherry Smith | 101.3 | LAN |
| +041+ | 1.86 | Hank Robinson | 88 | SLN |
| +045+ | 1.81 | Rube Foster | 143 | BOS |
| +043+ | 1.81 | Sailor Stroud | 100.7 | SFN |
| +047+ | 1.74 | Pat Ragan | 129.7 | TOT |
| +048+ | 1.67 | Joe Benz | 121 | CHA |
| +054+ | 1.63 | Eppa Rixey | 101.3 | PHI |
| +055+ | 1.58 | Dick Rudolph | 177.3 | ATL |
| +059+ | 1.5 | Reb Russell | 115.3 | CHA |
| +062+ | 1.45 | Ernie Shore | 112.7 | BOS |
| XXXXX | 1.14 | Jeff Pfeffer | 134.3 | LAN |
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