| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eddie Cicotte | CHA | 5.5 | 191505190_OAK_CHA |
| Pete Alexander | PHI | 4.17 | 191505200_CIN_PHI |
| Rube Foster | BOS | 2.26 | 191505190_BOS_CLE |
| Babe Adams | PIT | 1.42 | 191505200_PIT_SFN |
| Hippo Vaughn | CHN | 1.17 | 191505190_CHN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jimmy Lavender | CHN | -2.22 | 191505210_CHN_ATL |
| Weldon Wyckoff | OAK | -1.69 | 191505190_OAK_CHA |
| 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 1915-05-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.64 | Pete Alexander | 80 | PHI |
| +004+ | 2.38 | Walter Johnson | 68.3 | MIN |
| +005+ | 1.98 | Wheezer Dell | 66 | LAN |
| +006+ | 1.87 | Guy Morton | 62 | CLE |
| +008+ | 1.79 | Red Faber | 82.3 | CHA |
| +011+ | 1.67 | Jeff Tesreau | 52.7 | SFN |
| +012+ | 1.63 | George Chalmers | 43 | PHI |
| +013+ | 1.59 | Tom Hughes | 61 | ATL |
| +015+ | 1.52 | Erskine Mayer | 57 | PHI |
| +016+ | 1.48 | Sailor Stroud | 34.3 | SFN |
| +017+ | 1.47 | Grover Lowdermilk | 84.7 | BAL |
| +020+ | 1.37 | Bert Gallia | 41.3 | MIN |
| +022+ | 1.31 | Jim Shaw | 31.3 | MIN |
| +024+ | 1.3 | Jack Coombs | 31.3 | LAN |
| +027+ | 1.26 | Ray Fisher | 62.7 | NYA |
| XXXXX | 1.24 | Dan Griner | 44 | SLN |
| XXXXX | 0.96 | Jean Dubuc | 64.3 | DET |
| XXXXX | 0.93 | Smoky Joe Wood | 15 | BOS |
| XXXXX | 0.92 | Harry Coveleski | 60.7 | DET |
| XXXXX | 0.92 | Jim Scott | 36.7 | CHA |
| XXXXX | 0.91 | Hooks Dauss | 63.7 | DET |
| XXXXX | 0.9 | Al Mamaux | 40.7 | PIT |
| XXXXX | 0.9 | Bill James | 32 | ATL |
| XXXXX | 0.89 | Ray Keating | 29 | NYA |
| XXXXX | 0.84 | Rube Foster | 54.3 | BOS |
_