| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 14.11 | 191506230_BOS_MIN |
| Pete Alexander | PHI | 7.78 | 191506220_PHI_SFN |
| Eddie Cicotte | CHA | 3.57 | 191506231_CHA_CLE |
| Rube Foster | BOS | 1.97 | 191506220_BOS_MIN |
| Slim Sallee | SLN | 1.02 | 191506230_SLN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Babe Ruth | BOS | -1.76 | 191506211_BOS_MIN |
| Ray Keating | NYA | -1.23 | 191506211_NYA_OAK |
| George McQuillan | PIT | -1.13 | 191506220_PIT_CIN |
| Oscar Harstad | CLE | -0.9 | 191506220_CHA_CLE |
| George Chalmers | PHI | -0.71 | 191506230_PHI_SFN |
Based on accumulated WAA for this season up to 1915-06-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.07 | Pete Alexander | 153 | PHI |
| +002+ | 4.76 | Walter Johnson | 138.3 | MIN |
| +007+ | 3.28 | Jim Scott | 97.3 | CHA |
| +009+ | 3.03 | Erskine Mayer | 119.7 | PHI |
| +011+ | 2.86 | Bob Harmon | 103 | PIT |
| +016+ | 2.41 | Red Faber | 130.7 | CHA |
| +017+ | 2.25 | Bert Humphries | 46.3 | CHN |
| +019+ | 2.21 | Al Mamaux | 96.7 | PIT |
| +020+ | 2.09 | Joe Benz | 86 | CHA |
| +024+ | 1.9 | Hooks Dauss | 130.3 | DET |
| +025+ | 1.88 | Harry Coveleski | 123.7 | DET |
| +027+ | 1.77 | Guy Morton | 119 | CLE |
| +031+ | 1.64 | Reb Russell | 91.7 | CHA |
| +030+ | 1.64 | Wheezer Dell | 119 | LAN |
| +032+ | 1.62 | Rube Foster | 99.3 | BOS |
| +038+ | 1.37 | George Chalmers | 73.3 | PHI |
| +040+ | 1.31 | Hank Robinson | 49.7 | SLN |
| XXXXX | 1.24 | Jeff Pfeffer | 91 | LAN |
| XXXXX | 1.18 | Bert Gallia | 77.7 | MIN |
| XXXXX | 1.17 | Fred Toney | 22.3 | CIN |
| XXXXX | 1.17 | Sailor Stroud | 57 | SFN |
| XXXXX | 1.15 | Ernie Shore | 82.3 | BOS |
| XXXXX | 1.1 | Dan Griner | 86.3 | SLN |
| XXXXX | 1.09 | Ray Fisher | 107.7 | NYA |
| XXXXX | 1.08 | Pat Ragan | 81 | TOT |
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