| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 13.38 | 191508020_BAL_MIN |
| Pete Alexander | PHI | 12.82 | 191508010_PHI_CHN |
| Red Faber | CHA | 1.1 | 191508020_CHA_NYA |
| Bob Harmon | PIT | 0.62 | 191508032_ATL_PIT |
| Ernie Shore | BOS | 0.59 | 191508030_DET_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Marquard | SFN | -1.82 | 191508011_SFN_SLN |
| Phil Douglas | LAN | -1.51 | 191508011_LAN_CIN |
| Ray Collins | BOS | -1.38 | 191508020_DET_BOS |
| Larry Cheney | CHN | -1.14 | 191508020_PHI_CHN |
| Roy Walker | CLE | -0.84 | 191508020_CLE_OAK |
Based on accumulated WAA for this season up to 1915-08-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.15 | Pete Alexander | 238.3 | PHI |
| +003+ | 8.46 | Walter Johnson | 221.7 | MIN |
| +007+ | 4.59 | Al Mamaux | 168.7 | PIT |
| +008+ | 4.5 | Jim Scott | 174 | CHA |
| +013+ | 3.87 | Smoky Joe Wood | 116.3 | BOS |
| +015+ | 3.61 | Red Faber | 211 | CHA |
| +019+ | 2.79 | Guy Morton | 191 | CLE |
| +021+ | 2.74 | Gene Dale | 174 | CIN |
| +024+ | 2.67 | Ernie Shore | 146 | BOS |
| +025+ | 2.55 | Bert Humphries | 97.7 | CHN |
| +027+ | 2.47 | Erskine Mayer | 195.3 | PHI |
| +029+ | 2.45 | Ray Fisher | 159.7 | NYA |
| +031+ | 2.38 | Eppa Rixey | 128.7 | PHI |
| +034+ | 2.22 | Ernie Koob | 52.7 | BAL |
| +043+ | 1.91 | Sherry Smith | 115 | LAN |
| +042+ | 1.91 | Joe Benz | 129 | CHA |
| +044+ | 1.9 | Harry Coveleski | 199.3 | DET |
| +047+ | 1.87 | Bert Gallia | 153 | MIN |
| +046+ | 1.87 | Rube Foster | 162.7 | BOS |
| +048+ | 1.86 | Bob Harmon | 168.7 | PIT |
| +050+ | 1.82 | Pat Ragan | 164 | TOT |
| +051+ | 1.81 | Sailor Stroud | 111 | SFN |
| +059+ | 1.56 | Pete Schneider | 168.7 | CIN |
| +060+ | 1.53 | Reb Russell | 123.3 | CHA |
| +063+ | 1.47 | Jack Coombs | 118 | LAN |
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