| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 11.58 | 191505040_MIN_BOS |
| Eddie Cicotte | CHA | 6.59 | 191505020_DET_CHA |
| Hippo Vaughn | CHN | 1.38 | 191505020_PIT_CHN |
| Rube Foster | BOS | 1.21 | 191505040_MIN_BOS |
| Dick Rudolph | ATL | 0.98 | 191505030_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 1915-05-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.34 | Bernie Boland | 39 | DET |
| +003+ | 2.03 | Walter Johnson | 43.3 | MIN |
| +004+ | 1.87 | Pete Alexander | 45 | PHI |
| +009+ | 1.28 | Red Faber | 45.3 | CHA |
| +010+ | 1.27 | Grover Lowdermilk | 44 | BAL |
| +011+ | 1.25 | Jeff Tesreau | 26 | SFN |
| XXXXX | 1.09 | Ray Fisher | 36 | NYA |
| XXXXX | 1.07 | Rube Foster | 31.7 | BOS |
| XXXXX | 1.01 | Zip Zabel | 34.3 | CHN |
| XXXXX | 0.84 | Tom Hughes | 32 | ATL |
| XXXXX | 0.83 | Eppa Rixey | 18 | PHI |
| XXXXX | 0.83 | George Chalmers | 27 | PHI |
| XXXXX | 0.82 | Bert Gallia | 23.3 | MIN |
| XXXXX | 0.82 | Erskine Mayer | 30 | PHI |
| XXXXX | 0.79 | Paul Strand | 19.7 | ATL |
| XXXXX | 0.79 | Reb Russell | 35.3 | CHA |
| XXXXX | 0.79 | Dick Rudolph | 43 | ATL |
| XXXXX | 0.75 | Hub Perdue | 32.7 | SLN |
| XXXXX | 0.74 | Joe Benz | 19.7 | CHA |
| XXXXX | 0.7 | Hooks Dauss | 42.7 | DET |
| XXXXX | 0.64 | Ray Keating | 9 | NYA |
| XXXXX | 0.61 | Jean Dubuc | 35.3 | DET |
| XXXXX | 0.55 | Jack Coombs | 13.3 | LAN |
| XXXXX | 0.52 | Wheezer Dell | 39 | LAN |
| XXXXX | 0.51 | Guy Morton | 30 | CLE |
_