| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 14.35 | 191507100_MIN_CHA |
| Pete Alexander | PHI | 9.94 | 191507090_PIT_PHI |
| Jeff Pfeffer | LAN | 1.92 | 191507090_CHN_LAN |
| Jim Scott | CHA | 1.9 | 191507090_MIN_CHA |
| Al Mamaux | PIT | 1.5 | 191507080_PIT_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bullet Joe Bush | OAK | -3.21 | 191507090_OAK_BAL |
| Phil Douglas | LAN | -1.66 | 191507101_CHN_LAN |
| Bill James | BAL | -1.1 | 191507090_OAK_BAL |
| Pol Perritt | SFN | -0.81 | 191507092_CIN_SFN |
| Larry Cheney | CHN | -0.8 | 191507102_CHN_LAN |
Based on accumulated WAA for this season up to 1915-07-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.77 | Pete Alexander | 189 | PHI |
| +003+ | 6.14 | Walter Johnson | 168.3 | MIN |
| +008+ | 3.76 | Al Mamaux | 126.7 | PIT |
| +009+ | 3.75 | Red Faber | 170.3 | CHA |
| +010+ | 3.69 | Bob Harmon | 131.7 | PIT |
| +015+ | 3.18 | Smoky Joe Wood | 85.7 | BOS |
| +017+ | 2.84 | Hooks Dauss | 149.3 | DET |
| +018+ | 2.84 | Erskine Mayer | 149.7 | PHI |
| +020+ | 2.73 | Jim Scott | 136.7 | CHA |
| +024+ | 2.24 | Bert Humphries | 65 | CHN |
| +028+ | 2 | Wheezer Dell | 147.7 | LAN |
| +029+ | 1.97 | Sherry Smith | 87 | LAN |
| +030+ | 1.96 | Sailor Stroud | 92.7 | SFN |
| +031+ | 1.91 | Jack Coombs | 86 | LAN |
| +039+ | 1.72 | Guy Morton | 149 | CLE |
| +042+ | 1.66 | Ray Fisher | 139.7 | NYA |
| +043+ | 1.63 | Dan Griner | 111 | SLN |
| +046+ | 1.55 | Joe Benz | 113 | CHA |
| +047+ | 1.52 | Jeff Pfeffer | 121.3 | LAN |
| +053+ | 1.46 | Hank Robinson | 78.3 | SLN |
| +051+ | 1.46 | Harry Coveleski | 150.7 | DET |
| +054+ | 1.45 | Rube Foster | 129 | BOS |
| +055+ | 1.42 | Bill Doak | 150.3 | SLN |
| +057+ | 1.4 | Fred Toney | 58.7 | CIN |
| +059+ | 1.37 | Gene Dale | 124.7 | CIN |
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