| Starter | Tm | Tier | Game |
|---|---|---|---|
| Weldon Wyckoff | OAK | -2.19 | 191505050_OAK_NYA |
| Rube Benton | CIN | -1.32 | 191505070_CIN_CHN |
| Babe Ruth | BOS | -1.27 | 191505060_BOS_NYA |
| George McQuillan | PIT | -0.86 | 191505070_SLN_PIT |
| Bert Gallia | MIN | -0.79 | 191505060_MIN_OAK |
Based on accumulated WAA for this season up to 1915-05-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.27 | Bernie Boland | 39 | DET |
| +004+ | 2.02 | Walter Johnson | 43.3 | MIN |
| +005+ | 1.96 | Pete Alexander | 53 | PHI |
| +006+ | 1.87 | Jeff Tesreau | 35 | SFN |
| +007+ | 1.58 | Zip Zabel | 43.3 | CHN |
| XXXXX | 1.25 | Red Faber | 45.3 | CHA |
| XXXXX | 1.21 | Erskine Mayer | 39 | PHI |
| XXXXX | 1.16 | Bert Gallia | 28.3 | MIN |
| XXXXX | 1.12 | Grover Lowdermilk | 55 | BAL |
| XXXXX | 1.12 | Guy Morton | 39 | CLE |
| XXXXX | 1.01 | Rube Foster | 31.7 | BOS |
| XXXXX | 0.99 | Ray Fisher | 36 | NYA |
| XXXXX | 0.89 | Jean Dubuc | 46.3 | DET |
| XXXXX | 0.82 | Eppa Rixey | 18 | PHI |
| XXXXX | 0.81 | Ray Keating | 18 | NYA |
| XXXXX | 0.81 | George Chalmers | 27 | PHI |
| XXXXX | 0.8 | Tom Hughes | 32 | ATL |
| XXXXX | 0.77 | Reb Russell | 35.3 | CHA |
| XXXXX | 0.76 | Paul Strand | 19.7 | ATL |
| XXXXX | 0.74 | Hub Perdue | 32.7 | SLN |
| XXXXX | 0.74 | Dick Rudolph | 46 | ATL |
| XXXXX | 0.66 | Joe Benz | 24.7 | CHA |
| XXXXX | 0.65 | Sailor Stroud | 15 | SFN |
| XXXXX | 0.64 | Hooks Dauss | 42.7 | DET |
| XXXXX | 0.53 | Jack Coombs | 13.3 | LAN |
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