| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 17.77 | 191509231_PHI_CHN |
| Walter Johnson | MIN | 8.3 | 191509210_CHA_MIN |
| Ernie Shore | BOS | 3.32 | 191509232_CLE_BOS |
| Fred Toney | CIN | 2.71 | 191509230_LAN_CIN |
| Al Mamaux | PIT | 1.82 | 191509230_ATL_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Karl Adams | CHN | -4 | 191509231_PHI_CHN |
| Weldon Wyckoff | OAK | -2.96 | 191509220_DET_OAK |
| Rube Benton | SFN | -2.13 | 191509220_SFN_CHN |
| Grover Lowdermilk | DET | -1.37 | 191509230_DET_OAK |
| Sad Sam Jones | CLE | -1.28 | 191509221_CLE_BOS |
Based on accumulated WAA for this season up to 1915-09-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.25 | Pete Alexander | 366.3 | PHI |
| +003+ | 8.85 | Walter Johnson | 309.7 | MIN |
| +008+ | 6.36 | Ernie Shore | 237 | BOS |
| +010+ | 5.8 | Fred Toney | 211 | CIN |
| +012+ | 5.05 | Jim Scott | 278.3 | CHA |
| +015+ | 4.46 | Smoky Joe Wood | 148.3 | BOS |
| +017+ | 4.33 | Jeff Pfeffer | 262.3 | LAN |
| +019+ | 4.16 | Al Mamaux | 241.3 | PIT |
| +022+ | 4.04 | Harry Coveleski | 294.3 | DET |
| +024+ | 3.87 | Ray Fisher | 247 | NYA |
| +028+ | 3.5 | Rube Foster | 238.3 | BOS |
| +029+ | 3.36 | Bert Gallia | 244.7 | MIN |
| +033+ | 3.09 | Gene Dale | 274.3 | CIN |
| +036+ | 3 | Dick Rudolph | 319.3 | ATL |
| +038+ | 2.75 | Joe Benz | 220.3 | CHA |
| +040+ | 2.74 | Erskine Mayer | 257 | PHI |
| +043+ | 2.69 | Tom Hughes | 255.3 | ATL |
| +044+ | 2.61 | Hooks Dauss | 291.7 | DET |
| +047+ | 2.53 | Jeff Tesreau | 289 | SFN |
| +049+ | 2.44 | Dutch Leonard | 169.3 | BOS |
| +055+ | 2.25 | Eppa Rixey | 175.7 | PHI |
| +058+ | 2.23 | Bob Harmon | 263 | PIT |
| +061+ | 2.03 | Pete Schneider | 247.7 | CIN |
| +066+ | 1.91 | Harry Harper | 64.7 | MIN |
| +071+ | 1.8 | Pat Ragan | 238 | TOT |
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