| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 18.05 | 191509160_PHI_CIN |
| Walter Johnson | MIN | 8.38 | 191509160_BAL_MIN |
| Ernie Shore | BOS | 3.08 | 191509180_DET_BOS |
| Jim Scott | CHA | 2.22 | 191509170_CHA_NYA |
| Fred Toney | CIN | 2 | 191509170_PHI_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Shawkey | NYA | -3.12 | 191509160_CHA_NYA |
| Karl Adams | CHN | -2.68 | 191509180_LAN_CHN |
| Rube Benton | SFN | -1.58 | 191509171_SFN_PIT |
| Bill James | DET | -1.47 | 191509170_DET_BOS |
| Fritz Coumbe | CLE | -1.24 | 191509182_CLE_OAK |
Based on accumulated WAA for this season up to 1915-09-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 12.2 | Pete Alexander | 348.3 | PHI |
| +003+ | 8.58 | Walter Johnson | 300.7 | MIN |
| +008+ | 6.06 | Ernie Shore | 228 | BOS |
| +011+ | 4.99 | Fred Toney | 194 | CIN |
| +014+ | 4.51 | Jim Scott | 269.3 | CHA |
| +021+ | 4.13 | Harry Coveleski | 291.3 | DET |
| +024+ | 3.75 | Guy Morton | 240 | CLE |
| +025+ | 3.71 | Jeff Pfeffer | 245.3 | LAN |
| +026+ | 3.57 | Dick Rudolph | 304.3 | ATL |
| +030+ | 3.12 | Rube Foster | 228 | BOS |
| +031+ | 3.11 | Bert Gallia | 239.7 | MIN |
| +032+ | 3 | Tom Hughes | 246.3 | ATL |
| +034+ | 2.97 | Gene Dale | 268 | CIN |
| +040+ | 2.83 | Erskine Mayer | 257 | PHI |
| +041+ | 2.82 | Joe Benz | 214.3 | CHA |
| +042+ | 2.79 | Hooks Dauss | 283.7 | DET |
| +048+ | 2.46 | Dutch Leonard | 162.3 | BOS |
| +050+ | 2.42 | Jeff Tesreau | 279.7 | SFN |
| +057+ | 2.16 | Pete Schneider | 238.7 | CIN |
| +061+ | 2.01 | Harry Harper | 62.7 | MIN |
| +068+ | 1.85 | Pat Ragan | 238 | TOT |
| +069+ | 1.81 | Bill Doak | 260.7 | SLN |
| +071+ | 1.78 | Reb Russell | 217.7 | CHA |
| +070+ | 1.78 | Erv Kantlehner | 144 | PIT |
| +072+ | 1.73 | Bob Harmon | 254 | PIT |
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