| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 14.35 | 191507100_MIN_CHA |
| Al Mamaux | PIT | 2.34 | 191507122_PIT_PHI |
| Red Faber | CHA | 1.88 | 191507111_MIN_CHA |
| Hooks Dauss | DET | 1.59 | 191507110_BOS_DET |
| Erskine Mayer | PHI | 1.29 | 191507121_PIT_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Weldon Wyckoff | OAK | -1.82 | 191507110_OAK_BAL |
| Phil Douglas | LAN | -1.66 | 191507101_CHN_LAN |
| Boardwalk Brown | NYA | -1.56 | 191507110_NYA_CLE |
| Larry Cheney | CHN | -0.8 | 191507102_CHN_LAN |
| Oscar Harstad | CLE | -0.6 | 191507120_NYA_CLE |
Based on accumulated WAA for this season up to 1915-07-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.83 | Pete Alexander | 189 | PHI |
| +003+ | 6.3 | Walter Johnson | 169.7 | MIN |
| +007+ | 4 | Al Mamaux | 135.7 | PIT |
| +010+ | 3.72 | Bob Harmon | 131.7 | PIT |
| +012+ | 3.21 | Smoky Joe Wood | 85.7 | BOS |
| +015+ | 3.01 | Erskine Mayer | 157.7 | PHI |
| +016+ | 3 | Red Faber | 174 | CHA |
| +017+ | 2.77 | Jim Scott | 136.7 | CHA |
| +021+ | 2.64 | Hooks Dauss | 158.3 | DET |
| +025+ | 2.39 | Sherry Smith | 96 | LAN |
| +026+ | 2.27 | Bert Humphries | 65 | CHN |
| +030+ | 2.07 | Ray Fisher | 145.7 | NYA |
| +031+ | 2.04 | Wheezer Dell | 147.7 | LAN |
| +032+ | 1.99 | Sailor Stroud | 92.7 | SFN |
| +033+ | 1.98 | Gene Dale | 133.7 | CIN |
| +034+ | 1.93 | Jack Coombs | 86 | LAN |
| +035+ | 1.92 | Bill Doak | 157.3 | SLN |
| +040+ | 1.71 | Guy Morton | 149 | CLE |
| +045+ | 1.64 | Dan Griner | 111 | SLN |
| +046+ | 1.62 | Eppa Rixey | 91.3 | PHI |
| +048+ | 1.61 | Rube Foster | 134 | BOS |
| +050+ | 1.55 | Jeff Pfeffer | 121.3 | LAN |
| +055+ | 1.47 | Joe Benz | 114.3 | CHA |
| +054+ | 1.47 | Ernie Shore | 103.7 | BOS |
| +056+ | 1.46 | Hank Robinson | 78.3 | SLN |
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