| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 11.83 | 191506160_CHA_MIN |
| Jim Scott | CHA | 2.97 | 191506170_CHA_OAK |
| Bert Humphries | CHN | 1.47 | 191506170_LAN_CHN |
| Erskine Mayer | PHI | 1.32 | 191506170_PHI_CIN |
| Jeff Tesreau | SFN | 0.97 | 191506150_SFN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George McQuillan | PIT | -1.28 | 191506170_SFN_PIT |
| Parson Perryman | BAL | -1.23 | 191506170_BAL_BOS |
| George Chalmers | PHI | -1.13 | 191506160_PHI_PIT |
| Jack Warhop | NYA | -0.96 | 191506150_BAL_NYA |
| Rube Marquard | SFN | -0.9 | 191506170_SFN_PIT |
Based on accumulated WAA for this season up to 1915-06-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.42 | Pete Alexander | 135 | PHI |
| +004+ | 3.57 | Walter Johnson | 122.3 | MIN |
| +007+ | 2.96 | Erskine Mayer | 110.7 | PHI |
| +010+ | 2.62 | Al Mamaux | 87.7 | PIT |
| +011+ | 2.59 | Jim Scott | 88.3 | CHA |
| +012+ | 2.42 | Smoky Joe Wood | 60 | BOS |
| +015+ | 2.21 | Bert Humphries | 46.3 | CHN |
| +018+ | 1.91 | Red Faber | 112.7 | CHA |
| +019+ | 1.85 | Harry Coveleski | 108 | DET |
| +025+ | 1.64 | Guy Morton | 109.3 | CLE |
| +026+ | 1.61 | Joe Benz | 77 | CHA |
| +027+ | 1.6 | Bob Harmon | 85 | PIT |
| +028+ | 1.57 | Wheezer Dell | 111 | LAN |
| +029+ | 1.55 | Ernie Shore | 79 | BOS |
| +031+ | 1.55 | Reb Russell | 91.7 | CHA |
| +032+ | 1.46 | Hooks Dauss | 121.3 | DET |
| +035+ | 1.4 | Rube Foster | 86.3 | BOS |
| +034+ | 1.4 | Tom Hughes | 102 | ATL |
| +038+ | 1.28 | Hank Robinson | 49.7 | SLN |
| XXXXX | 1.24 | Jean Dubuc | 124.3 | DET |
| XXXXX | 1.24 | Ray Fisher | 98.7 | NYA |
| XXXXX | 1.19 | Sailor Stroud | 57 | SFN |
| XXXXX | 1.1 | Jeff Pfeffer | 91 | LAN |
| XXXXX | 1.04 | Sherry Smith | 51.3 | LAN |
| XXXXX | 1.02 | Fred Toney | 20.3 | CIN |
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