| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 11.63 | 191505170_MIN_BAL |
| Jeff Tesreau | SFN | 5.35 | 191505180_CHN_SFN |
| Reb Russell | CHA | 2.26 | 191505160_OAK_CHA |
| Bill James | ATL | 1.48 | 191505180_PIT_ATL |
| Hooks Dauss | DET | 0.61 | 191505160_NYA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bullet Joe Bush | OAK | -4.17 | 191505180_OAK_CHA |
| Bob Harmon | PIT | -1.52 | 191505180_PIT_ATL |
| Hub Perdue | SLN | -1.48 | 191505170_SLN_PHI |
| Marty McHale | NYA | -0.38 | 191505160_NYA_DET |
| Pete Schneider | CIN | -0.07 | 191505180_CIN_LAN |
Based on accumulated WAA for this season up to 1915-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.86 | Pete Alexander | 71 | PHI |
| +003+ | 2.37 | Walter Johnson | 68.3 | MIN |
| +006+ | 1.86 | Guy Morton | 62 | CLE |
| +010+ | 1.66 | Rube Foster | 49.7 | BOS |
| +009+ | 1.66 | Jeff Tesreau | 52.7 | SFN |
| +011+ | 1.61 | Tom Hughes | 52 | ATL |
| +012+ | 1.58 | Wheezer Dell | 57 | LAN |
| +015+ | 1.51 | Erskine Mayer | 57 | PHI |
| +016+ | 1.49 | Ray Fisher | 54 | NYA |
| +019+ | 1.4 | Grover Lowdermilk | 77.7 | BAL |
| +021+ | 1.36 | Bert Gallia | 41.3 | MIN |
| +022+ | 1.3 | Jim Shaw | 31.3 | MIN |
| +023+ | 1.26 | Red Faber | 72.3 | CHA |
| +024+ | 1.25 | Hooks Dauss | 62.7 | DET |
| XXXXX | 1.23 | George Chalmers | 34 | PHI |
| XXXXX | 1.17 | Bernie Boland | 52 | DET |
| XXXXX | 1.12 | Sailor Stroud | 26 | SFN |
| XXXXX | 0.98 | Bob Shawkey | 52 | OAK |
| XXXXX | 0.95 | Smoky Joe Wood | 15 | BOS |
| XXXXX | 0.94 | Jean Dubuc | 64.3 | DET |
| XXXXX | 0.92 | Jim Scott | 32.7 | CHA |
| XXXXX | 0.89 | Ray Keating | 26 | NYA |
| XXXXX | 0.89 | Bill James | 32 | ATL |
| XXXXX | 0.85 | Reb Russell | 47.3 | CHA |
| XXXXX | 0.78 | Bert Humphries | 12 | CHN |
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