| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 16.75 | 191509130_PHI_PIT |
| Ernie Shore | BOS | 2.35 | 191509132_CHA_BOS |
| Jim Scott | CHA | 1.84 | 191509131_CHA_BOS |
| Ray Fisher | NYA | 1.64 | 191509130_DET_NYA |
| Fred Toney | CIN | 1.5 | 191509122_SFN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill James | DET | -1.78 | 191509130_DET_NYA |
| Red Ames | SLN | -1.77 | 191509120_LAN_SLN |
| George Pierce | CHN | -1.52 | 191509130_ATL_CHN |
| Jack Nabors | OAK | -1.49 | 191509111_BAL_OAK |
| Christy Mathewson | SFN | -0.87 | 191509110_SFN_CIN |
Based on accumulated WAA for this season up to 1915-09-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.05 | Pete Alexander | 339.3 | PHI |
| +003+ | 8.46 | Walter Johnson | 291.7 | MIN |
| +010+ | 5.34 | Ernie Shore | 216 | BOS |
| +012+ | 4.62 | Jim Scott | 261.3 | CHA |
| +015+ | 4.43 | Fred Toney | 185 | CIN |
| +016+ | 4.29 | Al Mamaux | 228.7 | PIT |
| +017+ | 4.24 | Ray Fisher | 238 | NYA |
| +022+ | 3.76 | Guy Morton | 238 | CLE |
| +023+ | 3.74 | Rube Foster | 223.7 | BOS |
| +026+ | 3.47 | Harry Coveleski | 277 | DET |
| +027+ | 3.37 | Gene Dale | 260.7 | CIN |
| +029+ | 3.22 | Jeff Pfeffer | 233.7 | LAN |
| +030+ | 3.15 | Dick Rudolph | 292.3 | ATL |
| +036+ | 2.76 | Bob Harmon | 246.7 | PIT |
| +041+ | 2.54 | Tom Hughes | 237.3 | ATL |
| +044+ | 2.5 | Bert Gallia | 226.7 | MIN |
| +047+ | 2.43 | Joe Benz | 198.7 | CHA |
| +048+ | 2.4 | Jeff Tesreau | 266.7 | SFN |
| +049+ | 2.38 | Jimmy Lavender | 181.3 | CHN |
| +050+ | 2.34 | Dutch Leonard | 153.3 | BOS |
| +053+ | 2.27 | Hooks Dauss | 274.7 | DET |
| +056+ | 2.18 | Pete Schneider | 238.7 | CIN |
| +059+ | 2.11 | Harry Harper | 57.7 | MIN |
| +064+ | 1.93 | Erskine Mayer | 243 | PHI |
| +070+ | 1.75 | Ernie Koob | 108.3 | BAL |
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