| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 14.8 | 191508211_CHN_PHI |
| Walter Johnson | MIN | 7.21 | 191508221_MIN_DET |
| Al Mamaux | PIT | 3 | 191508212_PIT_ATL |
| Jim Scott | CHA | 2.46 | 191508211_NYA_CHA |
| Ray Fisher | NYA | 1.36 | 191508212_NYA_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Bressler | OAK | -8.04 | 191508200_OAK_DET |
| Rube Marquard | SFN | -2.54 | 191508210_SLN_SFN |
| Bill James | DET | -2.32 | 191508200_OAK_DET |
| Phil Douglas | LAN | -2.21 | 191508200_CHN_LAN |
| Grover Lowdermilk | BAL | -1.56 | 191508222_BOS_BAL |
Based on accumulated WAA for this season up to 1915-08-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.94 | Pete Alexander | 282.3 | PHI |
| +003+ | 7.15 | Walter Johnson | 261.7 | MIN |
| +008+ | 5.09 | Al Mamaux | 197.3 | PIT |
| +009+ | 4.87 | Jim Scott | 222.7 | CHA |
| +010+ | 4.82 | Smoky Joe Wood | 141.3 | BOS |
| +016+ | 3.68 | Rube Foster | 194.7 | BOS |
| +017+ | 3.62 | Ray Fisher | 195.7 | NYA |
| +019+ | 3.25 | Ernie Shore | 172 | BOS |
| +021+ | 3.1 | Harry Coveleski | 233.3 | DET |
| +023+ | 3.01 | Red Faber | 245.3 | CHA |
| +024+ | 2.99 | Bert Humphries | 115.3 | CHN |
| +027+ | 2.83 | Gene Dale | 213 | CIN |
| +030+ | 2.76 | Eppa Rixey | 149 | PHI |
| +031+ | 2.75 | Hooks Dauss | 234.3 | DET |
| +032+ | 2.74 | Joe Benz | 168.3 | CHA |
| +038+ | 2.67 | Bert Gallia | 189 | MIN |
| +041+ | 2.49 | Fred Toney | 135 | CIN |
| +043+ | 2.42 | Jack Coombs | 153 | LAN |
| +044+ | 2.38 | Reb Russell | 153.3 | CHA |
| +046+ | 2.37 | Jeff Tesreau | 217.7 | SFN |
| +048+ | 2.29 | Wheezer Dell | 189.7 | LAN |
| +049+ | 2.15 | Bob Harmon | 203.7 | PIT |
| +050+ | 2.11 | Ernie Koob | 83.7 | BAL |
| +059+ | 1.8 | Dick Rudolph | 246.3 | ATL |
| +062+ | 1.66 | Tom Hughes | 196 | ATL |
_