| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 9.94 | 191507090_PIT_PHI |
| Smoky Joe Wood | BOS | 2.4 | 191507071_MIN_BOS |
| 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 | -3.08 | 191507072_ATL_LAN |
| Bob Shawkey | NYA | -1.33 | 191507072_OAK_NYA |
| Bill James | BAL | -1.1 | 191507090_OAK_BAL |
| Pol Perritt | SFN | -0.81 | 191507092_CIN_SFN |
Based on accumulated WAA for this season up to 1915-07-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.78 | Pete Alexander | 189 | PHI |
| +003+ | 6.1 | Walter Johnson | 163.3 | MIN |
| +008+ | 3.84 | Red Faber | 170.3 | CHA |
| +009+ | 3.75 | Al Mamaux | 126.7 | PIT |
| +010+ | 3.68 | Bob Harmon | 131.7 | PIT |
| +013+ | 3.18 | Smoky Joe Wood | 85.7 | BOS |
| +016+ | 2.85 | Hooks Dauss | 149.3 | DET |
| +017+ | 2.84 | Erskine Mayer | 149.7 | PHI |
| +019+ | 2.8 | Jim Scott | 136.7 | CHA |
| +023+ | 2.23 | Bert Humphries | 65 | CHN |
| +028+ | 1.97 | Sherry Smith | 87 | LAN |
| +029+ | 1.96 | Sailor Stroud | 92.7 | SFN |
| +031+ | 1.91 | Jack Coombs | 86 | LAN |
| +040+ | 1.66 | Ray Fisher | 139.7 | NYA |
| +041+ | 1.62 | Dan Griner | 111 | SLN |
| +045+ | 1.51 | Jeff Pfeffer | 121.3 | LAN |
| +047+ | 1.49 | Ernie Shore | 98 | BOS |
| +048+ | 1.48 | Joe Benz | 108 | CHA |
| +051+ | 1.46 | Harry Coveleski | 150.7 | DET |
| +052+ | 1.42 | Bill Doak | 150.3 | SLN |
| +054+ | 1.4 | Wheezer Dell | 138.7 | LAN |
| +055+ | 1.39 | Fred Toney | 58.7 | CIN |
| +056+ | 1.38 | Reb Russell | 97.3 | CHA |
| +058+ | 1.35 | Gene Dale | 124.7 | CIN |
| +059+ | 1.33 | Jean Dubuc | 155 | DET |
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