| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 13.37 | 191508050_PHI_PIT |
| Walter Johnson | MIN | 13.34 | 191508061_CHA_MIN |
| Jim Scott | CHA | 3.54 | 191508041_CHA_MIN |
| Al Mamaux | PIT | 2.64 | 191508040_ATL_PIT |
| Ray Fisher | NYA | 0.69 | 191508052_BAL_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Bressler | OAK | -5.36 | 191508051_DET_OAK |
| Rube Benton | CIN | -1.69 | 191508051_SFN_CIN |
| Red Ames | SLN | -1.61 | 191508041_SFN_SLN |
| Grover Lowdermilk | BAL | -1.37 | 191508052_BAL_NYA |
| Joe Boehling | MIN | -1.37 | 191508041_CHA_MIN |
Based on accumulated WAA for this season up to 1915-08-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.65 | Pete Alexander | 246.7 | PHI |
| +003+ | 8.37 | Walter Johnson | 230.7 | MIN |
| +007+ | 5.03 | Jim Scott | 182 | CHA |
| +012+ | 3.88 | Al Mamaux | 171.3 | PIT |
| +013+ | 3.83 | Smoky Joe Wood | 116.3 | BOS |
| +016+ | 3.08 | Gene Dale | 183 | CIN |
| +017+ | 3.01 | Ray Fisher | 168.7 | NYA |
| +021+ | 2.73 | Guy Morton | 191 | CLE |
| +023+ | 2.63 | Red Faber | 212 | CHA |
| +025+ | 2.62 | Ernie Shore | 146 | BOS |
| +027+ | 2.48 | Bert Humphries | 100.3 | CHN |
| +029+ | 2.46 | Erskine Mayer | 196 | PHI |
| +032+ | 2.35 | Eppa Rixey | 128.7 | PHI |
| +035+ | 2.22 | Ernie Koob | 52.7 | BAL |
| +034+ | 2.22 | Bert Gallia | 162 | MIN |
| +045+ | 1.97 | Sailor Stroud | 120 | SFN |
| +046+ | 1.96 | Joe Benz | 136 | CHA |
| +047+ | 1.88 | Jeff Tesreau | 195.7 | SFN |
| +049+ | 1.86 | Harry Coveleski | 199.3 | DET |
| +051+ | 1.82 | Rube Foster | 162.7 | BOS |
| +052+ | 1.8 | Bob Harmon | 168.7 | PIT |
| +055+ | 1.7 | Jack Coombs | 128 | LAN |
| +056+ | 1.65 | Sherry Smith | 117.7 | LAN |
| +061+ | 1.54 | Pat Ragan | 169.7 | TOT |
| +062+ | 1.54 | Pete Schneider | 168.7 | CIN |
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