| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 16.47 | 191509091_SFN_PHI |
| Walter Johnson | MIN | 7.81 | 191509080_MIN_NYA |
| Ernie Shore | BOS | 2.01 | 191509090_OAK_BOS |
| Harry Coveleski | DET | 1.74 | 191509080_DET_CHA |
| Jeff Tesreau | SFN | 1.54 | 191509100_SFN_PHI |
| 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 |
| Rube Benton | SFN | -1.78 | 191509091_SFN_PHI |
| Bill James | DET | -1.59 | 191509100_DET_CLE |
Based on accumulated WAA for this season up to 1915-09-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.64 | Pete Alexander | 326.3 | PHI |
| +003+ | 8.41 | Walter Johnson | 291.7 | MIN |
| +010+ | 4.8 | Ernie Shore | 208 | BOS |
| +014+ | 4.31 | Al Mamaux | 228.7 | PIT |
| +017+ | 4.15 | Rube Foster | 220.7 | BOS |
| +020+ | 3.84 | Fred Toney | 176 | CIN |
| +023+ | 3.7 | Guy Morton | 238 | CLE |
| +026+ | 3.42 | Harry Coveleski | 277 | DET |
| +028+ | 3.28 | Gene Dale | 249.7 | CIN |
| +030+ | 3.09 | Dick Rudolph | 292.3 | ATL |
| +031+ | 3.01 | Jeff Pfeffer | 224.7 | LAN |
| +033+ | 2.87 | Jeff Tesreau | 258.7 | SFN |
| +037+ | 2.81 | Bob Harmon | 237.7 | PIT |
| +038+ | 2.78 | Pete Schneider | 235.3 | CIN |
| +041+ | 2.64 | Bert Gallia | 226 | MIN |
| +046+ | 2.39 | Joe Benz | 198.7 | CHA |
| +051+ | 2.33 | Doc Ayers | 179.7 | MIN |
| +055+ | 2.29 | Jimmy Lavender | 180.3 | CHN |
| +056+ | 2.27 | Hooks Dauss | 265.7 | DET |
| +058+ | 2.17 | Eppa Rixey | 166.7 | PHI |
| +059+ | 2.1 | Harry Harper | 57.7 | MIN |
| +060+ | 2.1 | Pat Ragan | 228 | TOT |
| +066+ | 1.83 | Dutch Leonard | 142.3 | BOS |
| +070+ | 1.76 | Red Faber | 266.7 | CHA |
| +074+ | 1.52 | Bert Humphries | 133 | CHN |
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