| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 12.43 | 191506010_MIN_OAK |
| Pete Alexander | PHI | 4.5 | 191506010_PHI_LAN |
| Babe Adams | PIT | 2.12 | 191506010_CHN_PIT |
| Jim Scott | CHA | 1.83 | 191505300_CLE_CHA |
| Ray Caldwell | NYA | 1.6 | 191505311_NYA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bullet Joe Bush | OAK | -6.72 | 191505311_BOS_OAK |
| Pat Ragan | ATL | -2.26 | 191506010_SFN_ATL |
| Jimmy Lavender | CHN | -2.09 | 191505311_CHN_PIT |
| George Chalmers | PHI | -1.5 | 191505311_PHI_ATL |
| Pol Perritt | SFN | -1.4 | 191505311_LAN_SFN |
Based on accumulated WAA for this season up to 1915-06-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.93 | Walter Johnson | 95.3 | MIN |
| +004+ | 2.84 | Pete Alexander | 104 | PHI |
| +005+ | 2.7 | Wheezer Dell | 86 | LAN |
| +008+ | 2.1 | Red Faber | 99.3 | CHA |
| +009+ | 2.1 | Al Mamaux | 58.7 | PIT |
| +012+ | 1.96 | Tom Hughes | 79 | ATL |
| +014+ | 1.82 | Reb Russell | 72.7 | CHA |
| +016+ | 1.66 | Ray Fisher | 71.7 | NYA |
| +020+ | 1.55 | Joe Benz | 55.7 | CHA |
| +022+ | 1.49 | Bert Humphries | 28.7 | CHN |
| +024+ | 1.47 | Jim Scott | 57.7 | CHA |
| +025+ | 1.42 | Jeff Tesreau | 67.7 | SFN |
| +026+ | 1.38 | Guy Morton | 84.3 | CLE |
| +028+ | 1.3 | Erskine Mayer | 75 | PHI |
| +029+ | 1.29 | Dan Griner | 53.3 | SLN |
| +030+ | 1.27 | Jack Coombs | 40.3 | LAN |
| +031+ | 1.27 | Harry Coveleski | 78.7 | DET |
| +032+ | 1.26 | Smoky Joe Wood | 40 | BOS |
| XXXXX | 1.12 | Zip Zabel | 57.7 | CHN |
| XXXXX | 1.04 | Jean Dubuc | 94.7 | DET |
| XXXXX | 1.02 | Eppa Rixey | 33.7 | PHI |
| XXXXX | 0.99 | Pete Schneider | 39 | CIN |
| XXXXX | 0.95 | Rube Foster | 68.3 | BOS |
| XXXXX | 0.93 | Grover Lowdermilk | 103.3 | BAL |
| XXXXX | 0.93 | George Chalmers | 54 | PHI |
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