| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 8.46 | 191508180_MIN_CLE |
| Joe Benz | CHA | 1.34 | 191508200_BOS_CHA |
| Rube Foster | BOS | 1.28 | 191508190_BOS_CHA |
| Harry Coveleski | DET | 0.95 | 191508190_OAK_DET |
| Gene Dale | CIN | 0.8 | 191508180_CIN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Bressler | OAK | -8.04 | 191508200_OAK_DET |
| Red Ames | SLN | -2.47 | 191508190_SLN_ATL |
| Bill James | DET | -2.32 | 191508200_OAK_DET |
| Phil Douglas | LAN | -2.21 | 191508200_CHN_LAN |
| Joe Boehling | MIN | -1.08 | 191508190_MIN_CLE |
Based on accumulated WAA for this season up to 1915-08-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.13 | Pete Alexander | 273.3 | PHI |
| +004+ | 6.89 | Walter Johnson | 252.7 | MIN |
| +009+ | 4.89 | Smoky Joe Wood | 141.3 | BOS |
| +011+ | 4.29 | Jim Scott | 211.7 | CHA |
| +017+ | 3.54 | Ray Fisher | 186.7 | NYA |
| +018+ | 3.4 | Rube Foster | 185.7 | BOS |
| +019+ | 3.34 | Ernie Shore | 172 | BOS |
| +020+ | 3.23 | Harry Coveleski | 233.3 | DET |
| +026+ | 2.86 | Gene Dale | 212 | CIN |
| +027+ | 2.85 | Eppa Rixey | 149 | PHI |
| +036+ | 2.55 | Jeff Tesreau | 217.7 | SFN |
| +037+ | 2.51 | Red Faber | 235.3 | CHA |
| +038+ | 2.46 | Jack Coombs | 146 | LAN |
| +039+ | 2.45 | Joe Benz | 159 | CHA |
| +040+ | 2.42 | Reb Russell | 152.3 | CHA |
| +042+ | 2.36 | Bert Gallia | 183 | MIN |
| +045+ | 2.29 | Hooks Dauss | 225.3 | DET |
| +046+ | 2.25 | Bob Harmon | 203.7 | PIT |
| +048+ | 2.18 | Fred Toney | 126 | CIN |
| +050+ | 2.05 | Ernie Koob | 75.7 | BAL |
| +058+ | 1.8 | Wheezer Dell | 180.7 | LAN |
| +059+ | 1.77 | Tom Hughes | 196 | ATL |
| +060+ | 1.72 | Jeff Pfeffer | 182.7 | LAN |
| +062+ | 1.69 | Sherry Smith | 134.3 | LAN |
| +065+ | 1.55 | Sailor Stroud | 129 | SFN |
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