| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 12.27 | 191505130_MIN_CHA |
| Eddie Cicotte | CHA | 5.26 | 191505130_MIN_CHA |
| Dutch Leonard | BOS | 2.99 | 191505130_BOS_DET |
| Pete Alexander | PHI | 2.99 | 191505110_PIT_PHI |
| Hippo Vaughn | CHN | 1.38 | 191505130_CHN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bullet Joe Bush | OAK | -3.95 | 191505130_OAK_BAL |
| Bob Harmon | PIT | -2.21 | 191505130_PIT_PHI |
| Hub Perdue | SLN | -1.83 | 191505120_SLN_ATL |
| Harry Hoch | BAL | -1.56 | 191505110_OAK_BAL |
| Pol Perritt | SFN | -1.17 | 191505130_CIN_SFN |
Based on accumulated WAA for this season up to 1915-05-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.46 | Pete Alexander | 62 | PHI |
| +004+ | 2.2 | Walter Johnson | 59.3 | MIN |
| +006+ | 1.61 | Guy Morton | 48 | CLE |
| +009+ | 1.48 | Red Faber | 63.3 | CHA |
| +010+ | 1.46 | Erskine Mayer | 47 | PHI |
| +011+ | 1.38 | Bert Gallia | 41.3 | MIN |
| +012+ | 1.38 | Jean Dubuc | 55.3 | DET |
| +015+ | 1.35 | Rube Foster | 40.7 | BOS |
| +017+ | 1.29 | Ray Fisher | 45 | NYA |
| +019+ | 1.27 | Reb Russell | 44.3 | CHA |
| XXXXX | 1.15 | Bernie Boland | 52 | DET |
| XXXXX | 1.12 | Sailor Stroud | 26 | SFN |
| XXXXX | 1.1 | Grover Lowdermilk | 69.7 | BAL |
| XXXXX | 1.06 | Hooks Dauss | 53.7 | DET |
| XXXXX | 1.04 | Dick Rudolph | 53 | ATL |
| XXXXX | 1.01 | Jim Shaw | 20.7 | MIN |
| XXXXX | 0.99 | Tom Hughes | 43 | ATL |
| XXXXX | 0.96 | Wheezer Dell | 48 | LAN |
| XXXXX | 0.93 | Jeff Tesreau | 35.7 | SFN |
| XXXXX | 0.88 | Ray Keating | 26 | NYA |
| XXXXX | 0.86 | Hub Perdue | 44.7 | SLN |
| XXXXX | 0.78 | Zip Zabel | 44.7 | CHN |
| XXXXX | 0.75 | George Chalmers | 27 | PHI |
| XXXXX | 0.75 | Bob Shawkey | 43 | OAK |
| XXXXX | 0.71 | Joe Benz | 29.7 | CHA |
_