| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 16.47 | 191509091_SFN_PHI |
| Ernie Shore | BOS | 2.01 | 191509090_OAK_BOS |
| Jeff Tesreau | SFN | 1.54 | 191509100_SFN_PHI |
| Gene Dale | CIN | 1.1 | 191509091_CIN_SLN |
| Dick Rudolph | ATL | 0.78 | 191509102_ATL_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Benton | SFN | -1.78 | 191509091_SFN_PHI |
| Bill James | DET | -1.59 | 191509100_DET_CLE |
| Boardwalk Brown | NYA | -1.53 | 191509091_MIN_NYA |
| Jack Nabors | OAK | -1.49 | 191509111_BAL_OAK |
| Rip Hagerman | CLE | -1.37 | 191509090_DET_CLE |
Based on accumulated WAA for this season up to 1915-09-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.68 | Pete Alexander | 326.3 | PHI |
| +003+ | 8.44 | Walter Johnson | 291.7 | MIN |
| +010+ | 4.8 | Ernie Shore | 208 | BOS |
| +013+ | 4.34 | Al Mamaux | 228.7 | PIT |
| +020+ | 3.86 | Fred Toney | 176 | CIN |
| +021+ | 3.74 | Guy Morton | 238 | CLE |
| +023+ | 3.71 | Rube Foster | 223.7 | BOS |
| +026+ | 3.45 | Harry Coveleski | 277 | DET |
| +027+ | 3.3 | Gene Dale | 249.7 | CIN |
| +030+ | 3.12 | Dick Rudolph | 292.3 | ATL |
| +031+ | 3.04 | Jeff Pfeffer | 224.7 | LAN |
| +032+ | 2.91 | Jeff Tesreau | 258.7 | SFN |
| +035+ | 2.81 | Pete Schneider | 235.3 | CIN |
| +036+ | 2.81 | Bob Harmon | 246.7 | PIT |
| +039+ | 2.76 | Tom Hughes | 234.7 | ATL |
| +042+ | 2.66 | Bert Gallia | 226 | MIN |
| +045+ | 2.52 | Doc Ayers | 182.3 | MIN |
| +048+ | 2.4 | Joe Benz | 198.7 | CHA |
| +053+ | 2.31 | Jimmy Lavender | 180.3 | CHN |
| +056+ | 2.25 | Hooks Dauss | 274.7 | DET |
| +060+ | 2.11 | Harry Harper | 57.7 | MIN |
| +062+ | 1.97 | Erskine Mayer | 243 | PHI |
| +063+ | 1.96 | Dutch Leonard | 144.3 | BOS |
| +067+ | 1.79 | Red Faber | 267 | CHA |
| +069+ | 1.74 | Ernie Koob | 108.3 | BAL |
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