| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 11.7 | 191505090_MIN_DET |
| Dutch Leonard | BOS | 3.16 | 191505070_BOS_NYA |
| Hippo Vaughn | CHN | 1.9 | 191505070_CIN_CHN |
| Reb Russell | CHA | 1.65 | 191505090_CHA_BAL |
| Ray Caldwell | NYA | 1.57 | 191505070_BOS_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bullet Joe Bush | OAK | -3.53 | 191505090_OAK_CLE |
| Bob Harmon | PIT | -2.04 | 191505090_PIT_CIN |
| Hub Perdue | SLN | -1.68 | 191505080_SLN_PIT |
| Eppa Rixey | PHI | -1.5 | 191505080_PHI_LAN |
| Rube Benton | CIN | -1.32 | 191505070_CIN_CHN |
Based on accumulated WAA for this season up to 1915-05-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.37 | Walter Johnson | 51.3 | MIN |
| +004+ | 1.95 | Pete Alexander | 53 | PHI |
| +005+ | 1.83 | Jeff Tesreau | 35 | SFN |
| +006+ | 1.73 | Guy Morton | 48 | CLE |
| +007+ | 1.57 | Zip Zabel | 43.3 | CHN |
| +008+ | 1.5 | Jean Dubuc | 55.3 | DET |
| +010+ | 1.42 | Bernie Boland | 45 | DET |
| +013+ | 1.37 | Ray Fisher | 45 | NYA |
| +014+ | 1.36 | Reb Russell | 44.3 | CHA |
| +015+ | 1.31 | Bert Gallia | 36.3 | MIN |
| XXXXX | 1.21 | Red Faber | 54.3 | CHA |
| XXXXX | 1.2 | Erskine Mayer | 39 | PHI |
| XXXXX | 1.19 | Grover Lowdermilk | 62.7 | BAL |
| XXXXX | 1.09 | Tom Hughes | 43 | ATL |
| XXXXX | 1.02 | Rube Foster | 31.7 | BOS |
| XXXXX | 0.8 | George Chalmers | 27 | PHI |
| XXXXX | 0.8 | Ray Keating | 18 | NYA |
| XXXXX | 0.76 | Hooks Dauss | 44.7 | DET |
| XXXXX | 0.74 | Jack Coombs | 22.3 | LAN |
| XXXXX | 0.74 | Hub Perdue | 38.7 | SLN |
| XXXXX | 0.73 | Eppa Rixey | 26 | PHI |
| XXXXX | 0.73 | Paul Strand | 19.7 | ATL |
| XXXXX | 0.67 | Dick Rudolph | 46 | ATL |
| XXXXX | 0.64 | Joe Benz | 24.7 | CHA |
| XXXXX | 0.63 | Sailor Stroud | 15 | SFN |
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