| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 8.95 | 191506300_ATL_PHI |
| Jim Scott | CHA | 5.09 | 191507010_CHA_DET |
| Rube Foster | BOS | 1.72 | 191506301_OAK_BOS |
| Jeff Pfeffer | LAN | 1.33 | 191506300_SFN_LAN |
| Babe Adams | PIT | 1.13 | 191506301_PIT_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Herb Pennock | BOS | -4.6 | 191506302_OAK_BOS |
| Bill James | BAL | -1.27 | 191507010_CLE_BAL |
| Weldon Wyckoff | OAK | -1.26 | 191506290_OAK_MIN |
| Pol Perritt | SFN | -1.14 | 191506292_ATL_SFN |
| Larry Cheney | CHN | -0.98 | 191506302_CHN_CIN |
Based on accumulated WAA for this season up to 1915-07-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.79 | Pete Alexander | 171 | PHI |
| +003+ | 5.47 | Walter Johnson | 147.3 | MIN |
| +005+ | 3.89 | Jim Scott | 122.3 | CHA |
| +008+ | 3.52 | Erskine Mayer | 137.7 | PHI |
| +010+ | 3.29 | Red Faber | 150.7 | CHA |
| +014+ | 2.85 | Hooks Dauss | 149.3 | DET |
| +017+ | 2.58 | Bob Harmon | 107 | PIT |
| +018+ | 2.57 | Bert Humphries | 53.3 | CHN |
| +020+ | 2.48 | Guy Morton | 139 | CLE |
| +019+ | 2.48 | Al Mamaux | 108.7 | PIT |
| +023+ | 2.15 | Jeff Pfeffer | 109 | LAN |
| +028+ | 1.83 | Harry Coveleski | 134 | DET |
| +030+ | 1.74 | Joe Benz | 103 | CHA |
| +031+ | 1.73 | Sailor Stroud | 74 | SFN |
| +036+ | 1.65 | Bert Gallia | 95.7 | MIN |
| +038+ | 1.63 | George Chalmers | 82.3 | PHI |
| +044+ | 1.49 | Sherry Smith | 68.3 | LAN |
| +045+ | 1.45 | Pete Schneider | 96 | CIN |
| +046+ | 1.42 | Zip Zabel | 92 | CHN |
| +047+ | 1.41 | Pat Ragan | 99.7 | TOT |
| +049+ | 1.35 | Fred Toney | 41.3 | CIN |
| +053+ | 1.25 | Wheezer Dell | 123.7 | LAN |
| XXXXX | 1.2 | Jack Coombs | 73.3 | LAN |
| XXXXX | 1.15 | Ray Fisher | 125.7 | NYA |
| XXXXX | 1.08 | George McQuillan | 106.7 | PIT |
_