| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 13.31 | 191508251_CIN_PHI |
| Jim Scott | CHA | 3.32 | 191508240_MIN_CHA |
| Al Mamaux | PIT | 2.96 | 191508252_PIT_SFN |
| Ray Fisher | NYA | 1.39 | 191508250_NYA_CLE |
| Guy Morton | CLE | 1.12 | 191508240_NYA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Shawkey | NYA | -3.1 | 191508230_NYA_CHA |
| Red Ames | SLN | -2.04 | 191508231_SLN_SFN |
| Rube Benton | SFN | -1.58 | 191508252_PIT_SFN |
| Bill James | DET | -1.49 | 191508250_BOS_DET |
| Joe Boehling | MIN | -1.4 | 191508240_MIN_CHA |
Based on accumulated WAA for this season up to 1915-08-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.63 | Pete Alexander | 292 | PHI |
| +003+ | 7.17 | Walter Johnson | 263.7 | MIN |
| +011+ | 4.73 | Jim Scott | 232 | CHA |
| +013+ | 4.39 | Al Mamaux | 204.7 | PIT |
| +015+ | 4.12 | Guy Morton | 223 | CLE |
| +016+ | 3.82 | Ray Fisher | 204.7 | NYA |
| +018+ | 3.67 | Rube Foster | 194.7 | BOS |
| +019+ | 3.61 | Ernie Shore | 181 | BOS |
| +020+ | 3.54 | Harry Coveleski | 240.3 | DET |
| +022+ | 3.2 | Red Faber | 253.3 | CHA |
| +024+ | 3.14 | Bert Humphries | 117 | CHN |
| +025+ | 3.11 | Fred Toney | 144 | CIN |
| +027+ | 3.06 | Gene Dale | 218.7 | CIN |
| +031+ | 2.83 | Jack Coombs | 162 | LAN |
| +034+ | 2.73 | Hooks Dauss | 234.3 | DET |
| +036+ | 2.6 | Jeff Tesreau | 223.7 | SFN |
| +040+ | 2.55 | Bert Gallia | 201 | MIN |
| +042+ | 2.46 | Eppa Rixey | 153.7 | PHI |
| +044+ | 2.43 | Dick Rudolph | 255.3 | ATL |
| +047+ | 2.29 | Joe Benz | 172.3 | CHA |
| +048+ | 2.19 | Reb Russell | 161.3 | CHA |
| +053+ | 2.06 | Wheezer Dell | 192 | LAN |
| +056+ | 1.88 | Pat Ragan | 202 | TOT |
| +057+ | 1.85 | Tom Hughes | 198.3 | ATL |
| +062+ | 1.75 | Sherry Smith | 142.3 | LAN |
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