| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 16.15 | 191509061_PHI_LAN |
| Jim Scott | CHA | 2.27 | 191509051_CLE_CHA |
| Al Mamaux | PIT | 1.86 | 191509061_CIN_PIT |
| Rube Foster | BOS | 1.41 | 191509061_NYA_BOS |
| Harry Coveleski | DET | 1.39 | 191509052_DET_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Ames | SLN | -2.26 | 191509040_SLN_CIN |
| Jack Nabors | OAK | -1.56 | 191509062_MIN_OAK |
| Fritz Coumbe | CLE | -1.41 | 191509051_CLE_CHA |
| Boardwalk Brown | NYA | -1.31 | 191509040_NYA_MIN |
| George Pierce | CHN | -1.25 | 191509061_CHN_SLN |
Based on accumulated WAA for this season up to 1915-09-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.01 | Pete Alexander | 317.3 | PHI |
| +004+ | 7.78 | Walter Johnson | 282.7 | MIN |
| +011+ | 4.55 | Jim Scott | 251.7 | CHA |
| +012+ | 4.31 | Al Mamaux | 228.7 | PIT |
| +016+ | 4.21 | Ernie Shore | 196 | BOS |
| +017+ | 4.12 | Rube Foster | 220.7 | BOS |
| +018+ | 4.08 | Ray Fisher | 230 | NYA |
| +019+ | 4.04 | Harry Coveleski | 271.3 | DET |
| +022+ | 3.73 | Jeff Tesreau | 250.7 | SFN |
| +023+ | 3.66 | Fred Toney | 160 | CIN |
| +028+ | 3.38 | Guy Morton | 233 | CLE |
| +029+ | 3.24 | Gene Dale | 242.7 | CIN |
| +032+ | 2.94 | Joe Benz | 197.7 | CHA |
| +035+ | 2.81 | Bob Harmon | 237.7 | PIT |
| +036+ | 2.81 | Dick Rudolph | 282.3 | ATL |
| +039+ | 2.7 | Hooks Dauss | 260.3 | DET |
| +043+ | 2.56 | Red Faber | 266.3 | CHA |
| +045+ | 2.41 | Jeff Pfeffer | 215.7 | LAN |
| +046+ | 2.4 | Pete Schneider | 229.3 | CIN |
| +048+ | 2.36 | Ernie Koob | 108.3 | BAL |
| +052+ | 2.26 | Bert Gallia | 211 | MIN |
| +053+ | 2.23 | Jimmy Lavender | 173.3 | CHN |
| +056+ | 2.15 | Eppa Rixey | 166.7 | PHI |
| +058+ | 2.12 | Harry Harper | 51.7 | MIN |
| +060+ | 2.11 | Doc Ayers | 176.7 | MIN |
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