| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 13.38 | 191508020_BAL_MIN |
| Pete Alexander | PHI | 12.82 | 191508010_PHI_CHN |
| Al Mamaux | PIT | 2.08 | 191507311_LAN_PIT |
| Red Faber | CHA | 1.1 | 191508020_CHA_NYA |
| Dick Rudolph | ATL | 0.73 | 191507310_ATL_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Weldon Wyckoff | OAK | -2.34 | 191507310_CLE_OAK |
| Hub Perdue | SLN | -2.17 | 191507312_PHI_SLN |
| Rube Marquard | SFN | -1.82 | 191508011_SFN_SLN |
| Phil Douglas | LAN | -1.51 | 191508011_LAN_CIN |
| Ray Collins | BOS | -1.38 | 191508020_DET_BOS |
Based on accumulated WAA for this season up to 1915-08-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.17 | Pete Alexander | 238.3 | PHI |
| +003+ | 8.48 | Walter Johnson | 221.7 | MIN |
| +007+ | 4.61 | Al Mamaux | 168.7 | PIT |
| +008+ | 4.51 | Jim Scott | 174 | CHA |
| +013+ | 3.87 | Smoky Joe Wood | 116.3 | BOS |
| +015+ | 3.63 | Red Faber | 211 | CHA |
| +017+ | 3.07 | Bob Harmon | 164.7 | PIT |
| +020+ | 2.8 | Guy Morton | 191 | CLE |
| +022+ | 2.76 | Gene Dale | 174 | CIN |
| +025+ | 2.55 | Bert Humphries | 97.7 | CHN |
| +026+ | 2.49 | Erskine Mayer | 195.3 | PHI |
| +027+ | 2.47 | Ray Fisher | 159.7 | NYA |
| +031+ | 2.39 | Eppa Rixey | 128.7 | PHI |
| +033+ | 2.29 | Ernie Shore | 137 | BOS |
| +038+ | 2.18 | Pat Ragan | 156.7 | TOT |
| +043+ | 1.92 | Joe Benz | 129 | CHA |
| +044+ | 1.91 | Sherry Smith | 115 | LAN |
| +046+ | 1.88 | Bert Gallia | 153 | MIN |
| +047+ | 1.88 | Rube Foster | 162.7 | BOS |
| +049+ | 1.82 | Sailor Stroud | 111 | SFN |
| +052+ | 1.72 | Ernie Koob | 45 | BAL |
| +057+ | 1.58 | Harry Coveleski | 191.3 | DET |
| +059+ | 1.58 | Pete Schneider | 168.7 | CIN |
| +061+ | 1.55 | Carl Weilman | 204.3 | BAL |
| +063+ | 1.54 | Reb Russell | 123.3 | CHA |
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