| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 14.89 | 191507280_PHI_SLN |
| Walter Johnson | MIN | 13.14 | 191507290_CLE_MIN |
| Jim Scott | CHA | 3.35 | 191507280_CHA_BOS |
| Smoky Joe Wood | BOS | 2.2 | 191507270_CHA_BOS |
| Al Mamaux | PIT | 1.86 | 191507270_SFN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Bressler | OAK | -5.03 | 191507290_BAL_OAK |
| Phil Douglas | LAN | -1.85 | 191507270_ATL_LAN |
| Rube Benton | CIN | -1.68 | 191507292_ATL_CIN |
| Grover Lowdermilk | BAL | -1.43 | 191507280_BAL_OAK |
| Sad Sam Jones | CLE | -1.33 | 191507280_CLE_MIN |
Based on accumulated WAA for this season up to 1915-07-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.81 | Pete Alexander | 228.7 | PHI |
| +003+ | 7.98 | Walter Johnson | 212.7 | MIN |
| +007+ | 4.5 | Jim Scott | 173 | CHA |
| +011+ | 4.09 | Al Mamaux | 159.7 | PIT |
| +012+ | 4 | Smoky Joe Wood | 114.7 | BOS |
| +016+ | 3.33 | Red Faber | 202.3 | CHA |
| +017+ | 3.06 | Erskine Mayer | 190.3 | PHI |
| +026+ | 2.54 | Ray Fisher | 159.7 | NYA |
| +027+ | 2.42 | Guy Morton | 181 | CLE |
| +029+ | 2.33 | Ernie Shore | 137 | BOS |
| +031+ | 2.22 | Gene Dale | 165 | CIN |
| +032+ | 2.22 | Pat Ragan | 156.7 | TOT |
| +037+ | 2.11 | Bert Gallia | 146 | MIN |
| +039+ | 2.06 | Dick Rudolph | 198.3 | ATL |
| +040+ | 2 | Bert Humphries | 88.7 | CHN |
| +044+ | 1.83 | Eppa Rixey | 119.7 | PHI |
| +047+ | 1.73 | Ernie Koob | 45 | BAL |
| +048+ | 1.72 | Pete Schneider | 150.7 | CIN |
| +050+ | 1.67 | Hank Robinson | 94.7 | SLN |
| +051+ | 1.63 | Joe Benz | 121 | CHA |
| +053+ | 1.6 | Jack Coombs | 110 | LAN |
| +055+ | 1.58 | Reb Russell | 123.3 | CHA |
| +058+ | 1.5 | Harry Coveleski | 183.3 | DET |
| +061+ | 1.49 | Fred Toney | 91.7 | CIN |
| +064+ | 1.46 | Sailor Stroud | 102 | SFN |
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