| 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 |
| Hooks Dauss | DET | 1.59 | 191507110_BOS_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bullet Joe Bush | OAK | -3.21 | 191507090_OAK_BAL |
| Phil Douglas | LAN | -1.66 | 191507101_CHN_LAN |
| Boardwalk Brown | NYA | -1.56 | 191507110_NYA_CLE |
| 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 1915-07-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.82 | Pete Alexander | 189 | PHI |
| +003+ | 6.2 | Walter Johnson | 168.3 | MIN |
| +008+ | 3.79 | Al Mamaux | 126.7 | PIT |
| +010+ | 3.72 | Bob Harmon | 131.7 | PIT |
| +013+ | 3.21 | Smoky Joe Wood | 85.7 | BOS |
| +015+ | 2.99 | Red Faber | 174 | CHA |
| +016+ | 2.87 | Erskine Mayer | 149.7 | PHI |
| +018+ | 2.77 | Jim Scott | 136.7 | CHA |
| +021+ | 2.65 | Hooks Dauss | 158.3 | DET |
| +024+ | 2.26 | Bert Humphries | 65 | CHN |
| +028+ | 2.03 | Wheezer Dell | 147.7 | LAN |
| +029+ | 1.99 | Sherry Smith | 87 | LAN |
| +030+ | 1.98 | Sailor Stroud | 92.7 | SFN |
| +031+ | 1.93 | Jack Coombs | 86 | LAN |
| +040+ | 1.7 | Guy Morton | 149 | CLE |
| +041+ | 1.69 | Ernie Shore | 103.7 | BOS |
| +042+ | 1.66 | Dan Griner | 111 | SLN |
| +043+ | 1.65 | Ray Fisher | 139.7 | NYA |
| +048+ | 1.54 | Jeff Pfeffer | 121.3 | LAN |
| +050+ | 1.5 | Harry Coveleski | 150.7 | DET |
| +051+ | 1.49 | Rube Foster | 129 | BOS |
| +053+ | 1.48 | Hank Robinson | 78.3 | SLN |
| +054+ | 1.46 | Bill Doak | 150.3 | SLN |
| +055+ | 1.46 | Joe Benz | 114.3 | CHA |
| +060+ | 1.42 | Reb Russell | 101.3 | CHA |
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