| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eddie Cicotte | CHA | 5.5 | 191505190_OAK_CHA |
| Jeff Tesreau | SFN | 5.35 | 191505180_CHN_SFN |
| Pete Alexander | PHI | 4.17 | 191505200_CIN_PHI |
| Rube Foster | BOS | 2.26 | 191505190_BOS_CLE |
| Bill James | ATL | 1.48 | 191505180_PIT_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bullet Joe Bush | OAK | -4.17 | 191505180_OAK_CHA |
| Bob Harmon | PIT | -1.52 | 191505180_PIT_ATL |
| George Chalmers | PHI | -1.27 | 191505190_SLN_PHI |
| Pat Ragan | ATL | -1.16 | 191505190_PIT_ATL |
| Pol Perritt | SFN | -0.84 | 191505200_PIT_SFN |
Based on accumulated WAA for this season up to 1915-05-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.61 | Pete Alexander | 80 | PHI |
| +003+ | 2.35 | Walter Johnson | 68.3 | MIN |
| +005+ | 1.96 | Wheezer Dell | 66 | LAN |
| +007+ | 1.84 | Guy Morton | 62 | CLE |
| +010+ | 1.65 | Jeff Tesreau | 52.7 | SFN |
| +011+ | 1.61 | George Chalmers | 43 | PHI |
| +013+ | 1.57 | Tom Hughes | 61 | ATL |
| +016+ | 1.49 | Ray Fisher | 54 | NYA |
| +015+ | 1.49 | Erskine Mayer | 57 | PHI |
| +017+ | 1.47 | Sailor Stroud | 34.3 | SFN |
| +019+ | 1.39 | Grover Lowdermilk | 77.7 | BAL |
| +022+ | 1.35 | Bert Gallia | 41.3 | MIN |
| +023+ | 1.3 | Jim Shaw | 31.3 | MIN |
| +025+ | 1.29 | Jack Coombs | 31.3 | LAN |
| XXXXX | 1.24 | Red Faber | 72.3 | CHA |
| XXXXX | 1.24 | Hooks Dauss | 62.7 | DET |
| XXXXX | 1.22 | Dan Griner | 44 | SLN |
| XXXXX | 1.16 | Bernie Boland | 52 | DET |
| XXXXX | 0.98 | Bob Shawkey | 52 | OAK |
| XXXXX | 0.97 | Jim Scott | 36.7 | CHA |
| XXXXX | 0.95 | Smoky Joe Wood | 15 | BOS |
| XXXXX | 0.93 | Jean Dubuc | 64.3 | DET |
| XXXXX | 0.92 | Rube Foster | 54.3 | BOS |
| XXXXX | 0.89 | Al Mamaux | 40.7 | PIT |
| XXXXX | 0.89 | Harry Coveleski | 60.7 | DET |
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