| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 11.7 | 191505090_MIN_DET |
| Jeff Tesreau | SFN | 6.73 | 191505100_SFN_ATL |
| Reb Russell | CHA | 1.65 | 191505090_CHA_BAL |
| Rube Foster | BOS | 1.63 | 191505100_BOS_NYA |
| Hippo Vaughn | CHN | 1.1 | 191505090_SLN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bullet Joe Bush | OAK | -3.53 | 191505090_OAK_CLE |
| Bob Harmon | PIT | -2.04 | 191505090_PIT_CIN |
| Hub Perdue | SLN | -1.68 | 191505080_SLN_PIT |
| Eppa Rixey | PHI | -1.5 | 191505080_PHI_LAN |
| Phil Douglas | CIN | -0.48 | 191505090_PIT_CIN |
Based on accumulated WAA for this season up to 1915-05-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.41 | Walter Johnson | 51.3 | MIN |
| +003+ | 2.01 | Pete Alexander | 53 | PHI |
| +006+ | 1.76 | Guy Morton | 48 | CLE |
| +007+ | 1.53 | Jean Dubuc | 55.3 | DET |
| +008+ | 1.52 | Erskine Mayer | 46 | PHI |
| +010+ | 1.45 | Bernie Boland | 45 | DET |
| +011+ | 1.43 | Rube Foster | 40.7 | BOS |
| +012+ | 1.4 | Ray Fisher | 45 | NYA |
| +013+ | 1.39 | Reb Russell | 44.3 | CHA |
| +016+ | 1.34 | Bert Gallia | 36.3 | MIN |
| XXXXX | 1.24 | Red Faber | 54.3 | CHA |
| XXXXX | 1.23 | Grover Lowdermilk | 62.7 | BAL |
| XXXXX | 1.12 | Tom Hughes | 43 | ATL |
| XXXXX | 1.11 | Wheezer Dell | 48 | LAN |
| XXXXX | 1.07 | Jeff Tesreau | 35.7 | SFN |
| XXXXX | 0.87 | Zip Zabel | 44.7 | CHN |
| XXXXX | 0.83 | George Chalmers | 27 | PHI |
| XXXXX | 0.81 | Ray Keating | 18 | NYA |
| XXXXX | 0.79 | Hooks Dauss | 44.7 | DET |
| XXXXX | 0.77 | Hub Perdue | 38.7 | SLN |
| XXXXX | 0.76 | Eppa Rixey | 26 | PHI |
| XXXXX | 0.75 | Jack Coombs | 22.3 | LAN |
| XXXXX | 0.75 | Paul Strand | 19.7 | ATL |
| XXXXX | 0.7 | Dick Rudolph | 46 | ATL |
| XXXXX | 0.66 | Joe Benz | 24.7 | CHA |
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