| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 12.27 | 191505130_MIN_CHA |
| Eddie Cicotte | CHA | 5.26 | 191505130_MIN_CHA |
| Jeff Tesreau | SFN | 4.59 | 191505140_CIN_SFN |
| Pete Alexander | PHI | 3.92 | 191505150_SLN_PHI |
| Dutch Leonard | BOS | 2.99 | 191505130_BOS_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bullet Joe Bush | OAK | -3.95 | 191505130_OAK_BAL |
| Bob Harmon | PIT | -2.21 | 191505130_PIT_PHI |
| George Chalmers | PHI | -2.07 | 191505140_PIT_PHI |
| Bill James | BAL | -1.37 | 191505150_OAK_BAL |
| Pol Perritt | SFN | -1.17 | 191505130_CIN_SFN |
Based on accumulated WAA for this season up to 1915-05-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.93 | Pete Alexander | 71 | PHI |
| +003+ | 2.27 | Walter Johnson | 59.3 | MIN |
| +005+ | 1.78 | Rube Foster | 49.7 | BOS |
| +007+ | 1.67 | Guy Morton | 48 | CLE |
| +008+ | 1.66 | Tom Hughes | 52 | ATL |
| +009+ | 1.63 | Wheezer Dell | 57 | LAN |
| +011+ | 1.58 | Erskine Mayer | 48 | PHI |
| +012+ | 1.56 | Red Faber | 63.3 | CHA |
| +013+ | 1.54 | Ray Fisher | 54 | NYA |
| +017+ | 1.43 | Bert Gallia | 41.3 | MIN |
| +019+ | 1.38 | Jeff Tesreau | 44.7 | SFN |
| +020+ | 1.32 | Reb Russell | 44.3 | CHA |
| +023+ | 1.26 | George Chalmers | 34 | PHI |
| XXXXX | 1.22 | Bernie Boland | 52 | DET |
| XXXXX | 1.19 | Grover Lowdermilk | 69.7 | BAL |
| XXXXX | 1.15 | Sailor Stroud | 26 | SFN |
| XXXXX | 1.12 | Hooks Dauss | 53.7 | DET |
| XXXXX | 1.03 | Jim Shaw | 20.7 | MIN |
| XXXXX | 1.01 | Jean Dubuc | 64.3 | DET |
| XXXXX | 0.92 | Hub Perdue | 44.7 | SLN |
| XXXXX | 0.91 | Ray Keating | 26 | NYA |
| XXXXX | 0.81 | Bob Shawkey | 43 | OAK |
| XXXXX | 0.78 | Eppa Rixey | 27 | PHI |
| XXXXX | 0.71 | Paul Strand | 19.7 | ATL |
| XXXXX | 0.58 | Eddie Cicotte | 42.7 | CHA |
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