| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 16.15 | 191509061_PHI_LAN |
| Walter Johnson | MIN | 7.81 | 191509080_MIN_NYA |
| Ernie Shore | BOS | 2.16 | 191509070_NYA_BOS |
| Al Mamaux | PIT | 1.86 | 191509061_CIN_PIT |
| Harry Coveleski | DET | 1.74 | 191509080_DET_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Shawkey | NYA | -4 | 191509080_MIN_NYA |
| Rube Marquard | LAN | -3.06 | 191509081_ATL_LAN |
| Red Ames | SLN | -2.97 | 191509080_CHN_SLN |
| Jack Nabors | OAK | -1.56 | 191509062_MIN_OAK |
| Hippo Vaughn | CHN | -1.38 | 191509070_CHN_SLN |
Based on accumulated WAA for this season up to 1915-09-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.07 | Pete Alexander | 317.3 | PHI |
| +003+ | 8.43 | Walter Johnson | 291.7 | MIN |
| +013+ | 4.34 | Al Mamaux | 228.7 | PIT |
| +014+ | 4.23 | Ernie Shore | 199 | BOS |
| +016+ | 4.16 | Rube Foster | 220.7 | BOS |
| +018+ | 4.11 | Ray Fisher | 230 | NYA |
| +020+ | 3.79 | Jeff Tesreau | 250.7 | SFN |
| +022+ | 3.72 | Guy Morton | 238 | CLE |
| +023+ | 3.71 | Harry Coveleski | 275 | DET |
| +025+ | 3.63 | Fred Toney | 169 | CIN |
| +029+ | 3.28 | Gene Dale | 242.7 | CIN |
| +032+ | 2.85 | Dick Rudolph | 282.3 | ATL |
| +033+ | 2.84 | Bob Harmon | 237.7 | PIT |
| +042+ | 2.44 | Jeff Pfeffer | 215.7 | LAN |
| +044+ | 2.43 | Pete Schneider | 229.3 | CIN |
| +046+ | 2.4 | Joe Benz | 198.7 | CHA |
| +047+ | 2.36 | Ernie Koob | 108.3 | BAL |
| +048+ | 2.35 | Tom Hughes | 225.7 | ATL |
| +051+ | 2.3 | Jimmy Lavender | 180.3 | CHN |
| +053+ | 2.27 | Bert Gallia | 217 | MIN |
| +056+ | 2.18 | Eppa Rixey | 166.7 | PHI |
| +055+ | 2.18 | Hooks Dauss | 264.3 | DET |
| +057+ | 2.14 | Doc Ayers | 176.7 | MIN |
| +058+ | 2.13 | Harry Harper | 51.7 | MIN |
| +059+ | 2.09 | Pat Ragan | 228 | TOT |
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