| Starter | Tm | Tier | Game |
|---|---|---|---|
| Guy Morton | CLE | 1.59 | 191508281_BOS_CLE |
| Rube Foster | BOS | 1.46 | 191508260_BOS_DET |
| Ray Fisher | NYA | 1.46 | 191508282_NYA_DET |
| Harry Coveleski | DET | 1.33 | 191508282_NYA_DET |
| Bert Humphries | CHN | 0.84 | 191508280_CHN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Bressler | OAK | -10.59 | 191508260_OAK_BAL |
| Red Ames | SLN | -2.5 | 191508260_SLN_LAN |
| Phil Douglas | LAN | -2.22 | 191508260_SLN_LAN |
| Joe Boehling | MIN | -1.57 | 191508260_MIN_CHA |
| Bill James | DET | -1.16 | 191508281_NYA_DET |
Based on accumulated WAA for this season up to 1915-08-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.57 | Pete Alexander | 292 | PHI |
| +005+ | 6.92 | Walter Johnson | 265.7 | MIN |
| +012+ | 4.64 | Jim Scott | 232 | CHA |
| +014+ | 4.02 | Al Mamaux | 205.7 | PIT |
| +015+ | 3.95 | Ernie Shore | 190 | BOS |
| +016+ | 3.83 | Harry Coveleski | 252.3 | DET |
| +018+ | 3.78 | Guy Morton | 228 | CLE |
| +019+ | 3.59 | Ray Fisher | 210.7 | NYA |
| +023+ | 3.31 | Bert Humphries | 124 | CHN |
| +024+ | 3.3 | Rube Foster | 202.7 | BOS |
| +025+ | 3.27 | Red Faber | 259.3 | CHA |
| +026+ | 3.15 | Jeff Tesreau | 232.7 | SFN |
| +027+ | 3.15 | Fred Toney | 151 | CIN |
| +029+ | 2.95 | Gene Dale | 226.7 | CIN |
| +033+ | 2.83 | Dick Rudolph | 264.3 | ATL |
| +035+ | 2.8 | Jack Coombs | 162 | LAN |
| +036+ | 2.76 | Reb Russell | 174.3 | CHA |
| +037+ | 2.73 | Ernie Koob | 93.3 | BAL |
| +041+ | 2.61 | Hooks Dauss | 243.3 | DET |
| +046+ | 2.43 | Eppa Rixey | 153.7 | PHI |
| +047+ | 2.42 | Bert Gallia | 201 | MIN |
| +052+ | 2.2 | Joe Benz | 175.3 | CHA |
| +054+ | 2.12 | Pat Ragan | 211 | TOT |
| +055+ | 2.03 | Bob Harmon | 219.7 | PIT |
| +058+ | 1.98 | Jeff Pfeffer | 197.7 | LAN |
_