| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 12.82 | 191508010_PHI_CHN |
| Al Mamaux | PIT | 2.08 | 191507311_LAN_PIT |
| Dick Rudolph | ATL | 0.73 | 191507310_ATL_CIN |
| Dutch Leonard | BOS | 0.56 | 191507300_DET_BOS |
| Sherry Smith | LAN | 0.55 | 191507312_LAN_PIT |
| 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 |
| Bob Shawkey | NYA | -0.92 | 191507300_CHA_NYA |
Based on accumulated WAA for this season up to 1915-08-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.18 | Pete Alexander | 238.3 | PHI |
| +003+ | 7.89 | Walter Johnson | 212.7 | MIN |
| +007+ | 4.63 | Al Mamaux | 168.7 | PIT |
| +008+ | 4.53 | Jim Scott | 174 | CHA |
| +013+ | 3.87 | Smoky Joe Wood | 116.3 | BOS |
| +016+ | 3.27 | Red Faber | 202.3 | CHA |
| +017+ | 3.1 | Bob Harmon | 164.7 | PIT |
| +019+ | 3 | Erskine Mayer | 190.3 | PHI |
| +020+ | 2.83 | Guy Morton | 191 | CLE |
| +022+ | 2.77 | Gene Dale | 174 | CIN |
| +026+ | 2.56 | Bert Humphries | 97.7 | CHN |
| +028+ | 2.49 | Ray Fisher | 159.7 | NYA |
| +031+ | 2.4 | Eppa Rixey | 128.7 | PHI |
| +034+ | 2.29 | Ernie Shore | 137 | BOS |
| +038+ | 2.2 | Pat Ragan | 156.7 | TOT |
| +042+ | 1.93 | Joe Benz | 129 | CHA |
| +043+ | 1.93 | Sherry Smith | 115 | LAN |
| +044+ | 1.9 | Bert Gallia | 153 | MIN |
| +047+ | 1.87 | Rube Foster | 162.7 | BOS |
| +048+ | 1.84 | Sailor Stroud | 111 | SFN |
| +051+ | 1.72 | Ernie Koob | 45 | BAL |
| +054+ | 1.64 | Pete Schneider | 159.7 | CIN |
| +058+ | 1.57 | Harry Coveleski | 191.3 | DET |
| +060+ | 1.55 | Carl Weilman | 204.3 | BAL |
| +062+ | 1.55 | Reb Russell | 123.3 | CHA |
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