| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 11.58 | 191505040_MIN_BOS |
| Pete Alexander | PHI | 3.3 | 191505050_SFN_PHI |
| Rube Foster | BOS | 1.21 | 191505040_MIN_BOS |
| Jim Scott | CHA | 1.2 | 191505050_CHA_CLE |
| Bill James | ATL | 0.99 | 191505050_ATL_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Art Fromme | SFN | -2.91 | 191505030_SFN_PHI |
| Bullet Joe Bush | OAK | -2.5 | 191505030_OAK_NYA |
| George Chalmers | PHI | -1.96 | 191505030_SFN_PHI |
| Bob Harmon | PIT | -1.71 | 191505040_SLN_PIT |
| Hub Perdue | SLN | -1.19 | 191505040_SLN_PIT |
Based on accumulated WAA for this season up to 1915-05-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.24 | Bernie Boland | 39 | DET |
| +003+ | 1.97 | Walter Johnson | 43.3 | MIN |
| +004+ | 1.92 | Pete Alexander | 53 | PHI |
| +007+ | 1.55 | Zip Zabel | 43.3 | CHN |
| XXXXX | 1.21 | Red Faber | 45.3 | CHA |
| XXXXX | 1.1 | Guy Morton | 39 | CLE |
| XXXXX | 1.08 | Grover Lowdermilk | 55 | BAL |
| XXXXX | 1.03 | Ray Fisher | 36 | NYA |
| XXXXX | 1.03 | Rube Foster | 31.7 | BOS |
| XXXXX | 0.86 | Jean Dubuc | 46.3 | DET |
| XXXXX | 0.83 | Ray Keating | 18 | NYA |
| XXXXX | 0.8 | Eppa Rixey | 18 | PHI |
| XXXXX | 0.79 | Bert Gallia | 23.3 | MIN |
| XXXXX | 0.78 | George Chalmers | 27 | PHI |
| XXXXX | 0.78 | Tom Hughes | 32 | ATL |
| XXXXX | 0.78 | Erskine Mayer | 30 | PHI |
| XXXXX | 0.75 | Paul Strand | 19.7 | ATL |
| XXXXX | 0.74 | Reb Russell | 35.3 | CHA |
| XXXXX | 0.72 | Dick Rudolph | 43 | ATL |
| XXXXX | 0.72 | Joe Benz | 19.7 | CHA |
| XXXXX | 0.7 | Hub Perdue | 32.7 | SLN |
| XXXXX | 0.64 | Sailor Stroud | 15 | SFN |
| XXXXX | 0.61 | Hooks Dauss | 42.7 | DET |
| XXXXX | 0.52 | Jack Coombs | 13.3 | LAN |
| XXXXX | 0.45 | Wheezer Dell | 39 | LAN |
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