| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 13.38 | 191508020_BAL_MIN |
| Jim Scott | CHA | 3.54 | 191508041_CHA_MIN |
| Al Mamaux | PIT | 2.64 | 191508040_ATL_PIT |
| Erskine Mayer | PHI | 1.01 | 191508020_PHI_CHN |
| Gene Dale | CIN | 0.61 | 191508040_LAN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Ames | SLN | -1.61 | 191508041_SFN_SLN |
| Weldon Wyckoff | OAK | -1.6 | 191508040_DET_OAK |
| Ray Collins | BOS | -1.38 | 191508020_DET_BOS |
| Joe Boehling | MIN | -1.37 | 191508041_CHA_MIN |
| Larry Cheney | CHN | -1.14 | 191508020_PHI_CHN |
Based on accumulated WAA for this season up to 1915-08-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.13 | Pete Alexander | 238.3 | PHI |
| +003+ | 8.43 | Walter Johnson | 221.7 | MIN |
| +007+ | 5.04 | Jim Scott | 182 | CHA |
| +012+ | 3.91 | Al Mamaux | 171.3 | PIT |
| +013+ | 3.85 | Smoky Joe Wood | 116.3 | BOS |
| +015+ | 3.62 | Red Faber | 211 | CHA |
| +017+ | 3.1 | Gene Dale | 183 | CIN |
| +020+ | 2.77 | Guy Morton | 191 | CLE |
| +024+ | 2.65 | Ernie Shore | 146 | BOS |
| +025+ | 2.53 | Bert Humphries | 97.7 | CHN |
| +028+ | 2.45 | Erskine Mayer | 195.3 | PHI |
| +030+ | 2.43 | Ray Fisher | 159.7 | NYA |
| +032+ | 2.37 | Eppa Rixey | 128.7 | PHI |
| +033+ | 2.25 | Bert Gallia | 162 | MIN |
| +036+ | 2.22 | Ernie Koob | 52.7 | BAL |
| +043+ | 1.91 | Joe Benz | 129 | CHA |
| +044+ | 1.9 | Sherry Smith | 115 | LAN |
| +046+ | 1.89 | Jeff Tesreau | 195.7 | SFN |
| +047+ | 1.88 | Harry Coveleski | 199.3 | DET |
| +049+ | 1.85 | Rube Foster | 162.7 | BOS |
| +050+ | 1.84 | Bob Harmon | 168.7 | PIT |
| +051+ | 1.81 | Sailor Stroud | 111 | SFN |
| +052+ | 1.8 | Pat Ragan | 164 | TOT |
| +060+ | 1.55 | Pete Schneider | 168.7 | CIN |
| +062+ | 1.54 | Reb Russell | 123.3 | CHA |
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