| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 10.49 | 191510021_BOS_MIN |
| Ernie Shore | BOS | 4.51 | 191510022_BOS_MIN |
| Jim Scott | CHA | 2.12 | 191510022_BAL_CHA |
| Al Mamaux | PIT | 1.74 | 191510020_PIT_SLN |
| Jeff Pfeffer | LAN | 1.58 | 191510040_LAN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Nabors | OAK | -2.66 | 191510040_OAK_MIN |
| Rube Benton | SFN | -2.17 | 191510042_SFN_ATL |
| Red Ames | SLN | -1.82 | 191510020_PIT_SLN |
| Phil Douglas | CHN | -1.21 | 191510021_CHN_CIN |
| Bernie Boland | DET | -0.74 | 191510020_CLE_DET |
Based on accumulated WAA for this season up to 1915-10-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.96 | Pete Alexander | 375.3 | PHI |
| +003+ | 9.71 | Walter Johnson | 336.7 | MIN |
| +009+ | 6.3 | Ernie Shore | 246 | BOS |
| +013+ | 5.25 | Jim Scott | 296.3 | CHA |
| +015+ | 4.73 | Al Mamaux | 252 | PIT |
| +016+ | 4.57 | Jeff Pfeffer | 290.7 | LAN |
| +017+ | 4.42 | Smoky Joe Wood | 154.3 | BOS |
| +024+ | 3.78 | Joe Benz | 238.3 | CHA |
| +025+ | 3.75 | Rube Foster | 255.3 | BOS |
| +030+ | 3.53 | Tom Hughes | 271 | ATL |
| +031+ | 3.39 | Doc Ayers | 204 | MIN |
| +036+ | 3.19 | Jeff Tesreau | 298 | SFN |
| +039+ | 2.94 | Dick Rudolph | 340.3 | ATL |
| +040+ | 2.89 | Bert Gallia | 257.7 | MIN |
| +045+ | 2.65 | Erskine Mayer | 270.3 | PHI |
| +047+ | 2.57 | Carl Weilman | 294.3 | BAL |
| +049+ | 2.42 | Wheezer Dell | 209 | LAN |
| +051+ | 2.25 | Harry Coveleski | 310.7 | DET |
| +054+ | 2.12 | Erv Kantlehner | 162 | PIT |
| +057+ | 2.04 | Harry Harper | 86.3 | MIN |
| +058+ | 2.03 | Bob Harmon | 268.3 | PIT |
| +061+ | 1.97 | Hooks Dauss | 309.7 | DET |
| +063+ | 1.91 | Gene Dale | 296.7 | CIN |
| +064+ | 1.86 | Bert Humphries | 171 | CHN |
| +065+ | 1.85 | Carmen Hill | 47 | PIT |
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