| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 12.09 | 191506190_DET_MIN |
| Pete Alexander | PHI | 7.16 | 191506190_PHI_CIN |
| Jim Scott | CHA | 3.66 | 191506202_CHA_CLE |
| Rube Foster | BOS | 1.51 | 191506180_BAL_BOS |
| Jeff Tesreau | SFN | 1.38 | 191506190_SFN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bullet Joe Bush | OAK | -3.89 | 191506180_CHA_OAK |
| Pol Perritt | SFN | -1.59 | 191506180_SFN_PIT |
| Dick Crutcher | ATL | -0.89 | 191506200_ATL_SLN |
| Raleigh Aitchison | LAN | -0.69 | 191506200_LAN_CHN |
| Marty McHale | NYA | -0.58 | 191506192_CLE_NYA |
Based on accumulated WAA for this season up to 1915-06-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.88 | Pete Alexander | 144 | PHI |
| +003+ | 4.08 | Walter Johnson | 129.3 | MIN |
| +007+ | 3.22 | Jim Scott | 97.3 | CHA |
| +008+ | 3 | Erskine Mayer | 110.7 | PHI |
| +012+ | 2.36 | Smoky Joe Wood | 60 | BOS |
| +014+ | 2.24 | Bob Harmon | 94 | PIT |
| +015+ | 2.22 | Bert Humphries | 46.3 | CHN |
| +016+ | 2.17 | Al Mamaux | 96 | PIT |
| +017+ | 2.14 | Red Faber | 121.7 | CHA |
| +020+ | 2.04 | Joe Benz | 86 | CHA |
| +022+ | 1.91 | Hooks Dauss | 130.3 | DET |
| +023+ | 1.88 | Rube Foster | 95.3 | BOS |
| +026+ | 1.84 | Harry Coveleski | 116.7 | DET |
| +029+ | 1.7 | Guy Morton | 119 | CLE |
| +030+ | 1.64 | Wheezer Dell | 111 | LAN |
| +032+ | 1.58 | Reb Russell | 91.7 | CHA |
| +036+ | 1.47 | Ernie Shore | 79 | BOS |
| +039+ | 1.3 | Jean Dubuc | 124.3 | DET |
| +040+ | 1.27 | Hank Robinson | 49.7 | SLN |
| XXXXX | 1.23 | Sailor Stroud | 57 | SFN |
| XXXXX | 1.16 | Jeff Pfeffer | 91 | LAN |
| XXXXX | 1.05 | George Chalmers | 64 | PHI |
| XXXXX | 1.03 | Fred Toney | 20.3 | CIN |
| XXXXX | 1.02 | Ray Fisher | 107.7 | NYA |
| XXXXX | 0.89 | Jim Shaw | 61.7 | MIN |
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