| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 17.77 | 191509231_PHI_CHN |
| Walter Johnson | MIN | 7.76 | 191509240_DET_MIN |
| Ernie Shore | BOS | 3.32 | 191509232_CLE_BOS |
| Fred Toney | CIN | 2.71 | 191509230_LAN_CIN |
| Al Mamaux | PIT | 1.82 | 191509230_ATL_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Karl Adams | CHN | -4 | 191509231_PHI_CHN |
| Bill James | DET | -2.4 | 191509252_DET_MIN |
| Dazzy Vance | NYA | -0.58 | 191509240_CLE_NYA |
| Lefty Tyler | ATL | -0.58 | 191509250_ATL_PIT |
| Tom Sheehan | OAK | -0.47 | 191509230_DET_OAK |
Based on accumulated WAA for this season up to 1915-09-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 13.33 | Pete Alexander | 366.3 | PHI |
| +004+ | 8.88 | Walter Johnson | 318.7 | MIN |
| +008+ | 6.41 | Ernie Shore | 237 | BOS |
| +010+ | 5.85 | Fred Toney | 211 | CIN |
| +013+ | 5.11 | Jim Scott | 278.3 | CHA |
| +015+ | 4.52 | Al Mamaux | 246 | PIT |
| +016+ | 4.49 | Smoky Joe Wood | 148.3 | BOS |
| +017+ | 4.41 | Jeff Pfeffer | 262.3 | LAN |
| +025+ | 3.71 | Rube Foster | 247.3 | BOS |
| +031+ | 3.18 | Joe Benz | 229.3 | CHA |
| +033+ | 3.16 | Harry Coveleski | 295.7 | DET |
| +035+ | 3.08 | Dick Rudolph | 319.3 | ATL |
| +036+ | 3.06 | Hooks Dauss | 300.7 | DET |
| +038+ | 2.96 | Tom Hughes | 262 | ATL |
| +039+ | 2.88 | Gene Dale | 276.7 | CIN |
| +045+ | 2.6 | Jeff Tesreau | 289 | SFN |
| +048+ | 2.48 | Dutch Leonard | 169.3 | BOS |
| +051+ | 2.41 | Bert Gallia | 248.7 | MIN |
| +053+ | 2.29 | Eppa Rixey | 175.7 | PHI |
| +054+ | 2.29 | Wheezer Dell | 207 | LAN |
| +055+ | 2.24 | Erskine Mayer | 261.3 | PHI |
| +061+ | 1.93 | Erv Kantlehner | 153 | PIT |
| +066+ | 1.81 | Bob Harmon | 265.3 | PIT |
| +067+ | 1.81 | Harry Harper | 69.3 | MIN |
| +071+ | 1.73 | Pete Schneider | 252 | CIN |
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