| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 16.47 | 191509091_SFN_PHI |
| Walter Johnson | MIN | 7.81 | 191509080_MIN_NYA |
| Ernie Shore | BOS | 2.16 | 191509070_NYA_BOS |
| Harry Coveleski | DET | 1.74 | 191509080_DET_CHA |
| Fred Toney | CIN | 1.53 | 191509070_CIN_PIT |
| 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 |
| Hippo Vaughn | CHN | -1.38 | 191509070_CHN_SLN |
Based on accumulated WAA for this season up to 1915-09-09.
| 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+ | 4.33 | Al Mamaux | 228.7 | PIT |
| +016+ | 4.14 | Rube Foster | 220.7 | BOS |
| +017+ | 4.09 | Ray Fisher | 230 | NYA |
| +020+ | 3.84 | Fred Toney | 176 | CIN |
| +021+ | 3.8 | Jeff Tesreau | 250.7 | SFN |
| +024+ | 3.7 | Guy Morton | 238 | CLE |
| +025+ | 3.69 | Harry Coveleski | 275 | DET |
| +029+ | 3.27 | Gene Dale | 249.7 | CIN |
| +031+ | 3.01 | Jeff Pfeffer | 224.7 | LAN |
| +033+ | 2.85 | Dick Rudolph | 282.3 | ATL |
| +034+ | 2.83 | Bob Harmon | 237.7 | PIT |
| +037+ | 2.78 | Pete Schneider | 235.3 | CIN |
| +040+ | 2.64 | Bert Gallia | 226 | MIN |
| +047+ | 2.39 | Joe Benz | 198.7 | CHA |
| +049+ | 2.36 | Ernie Koob | 108.3 | BAL |
| +052+ | 2.33 | Doc Ayers | 179.7 | MIN |
| +055+ | 2.28 | Jimmy Lavender | 180.3 | CHN |
| +056+ | 2.25 | Hooks Dauss | 265.7 | DET |
| +057+ | 2.16 | Eppa Rixey | 166.7 | PHI |
| +059+ | 2.1 | Harry Harper | 57.7 | MIN |
| +061+ | 2.09 | Pat Ragan | 228 | TOT |
| +067+ | 1.82 | Dutch Leonard | 142.3 | BOS |
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