| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 15.82 | 191507160_MIN_BAL |
| Pete Alexander | PHI | 12.81 | 191507170_CHN_PHI |
| Jim Scott | CHA | 3.47 | 191507171_BOS_CHA |
| Al Mamaux | PIT | 2.89 | 191507160_PIT_ATL |
| Bill Doak | SLN | 1.36 | 191507172_SLN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bullet Joe Bush | OAK | -3.11 | 191507170_OAK_DET |
| Roy Walker | CLE | -2.38 | 191507171_MIN_CLE |
| Jack Warhop | NYA | -1.31 | 191507170_NYA_BAL |
| Phil Douglas | LAN | -1.16 | 191507150_CIN_LAN |
| Rube Benton | CIN | -1 | 191507150_CIN_LAN |
Based on accumulated WAA for this season up to 1915-07-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.71 | Pete Alexander | 207 | PHI |
| +003+ | 6.73 | Walter Johnson | 186.7 | MIN |
| +009+ | 3.75 | Al Mamaux | 142.7 | PIT |
| +013+ | 3.31 | Smoky Joe Wood | 93.7 | BOS |
| +014+ | 3.24 | Jim Scott | 154 | CHA |
| +016+ | 2.92 | Bob Harmon | 139.7 | PIT |
| +018+ | 2.9 | Erskine Mayer | 157.7 | PHI |
| +020+ | 2.67 | Red Faber | 183 | CHA |
| +022+ | 2.56 | Jack Coombs | 99 | LAN |
| +026+ | 2.29 | Gene Dale | 141.7 | CIN |
| +028+ | 2.24 | Bert Humphries | 77.3 | CHN |
| +030+ | 2.17 | Hooks Dauss | 168.3 | DET |
| +033+ | 2.03 | Bill Doak | 164.3 | SLN |
| +038+ | 1.88 | Guy Morton | 159 | CLE |
| +039+ | 1.87 | Sherry Smith | 101.3 | LAN |
| +041+ | 1.84 | Hank Robinson | 85 | SLN |
| +042+ | 1.83 | Fred Toney | 68.3 | CIN |
| +045+ | 1.77 | Rube Foster | 143 | BOS |
| +049+ | 1.71 | Pat Ragan | 129.7 | TOT |
| +051+ | 1.61 | Eppa Rixey | 101.3 | PHI |
| +052+ | 1.59 | Sailor Stroud | 97.7 | SFN |
| +058+ | 1.42 | Ernie Shore | 112.7 | BOS |
| +059+ | 1.41 | Harry Coveleski | 160 | DET |
| +063+ | 1.34 | Reb Russell | 113.3 | CHA |
| XXXXX | 1.11 | Jeff Pfeffer | 134.3 | LAN |
_