| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 11.63 | 191506050_CLE_MIN |
| Pete Alexander | PHI | 4.09 | 191506050_PHI_SLN |
| Reb Russell | CHA | 2.5 | 191506050_CHA_BOS |
| Rube Foster | BOS | 1.35 | 191506050_CHA_BOS |
| Ray Caldwell | NYA | 1.21 | 191506040_DET_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bullet Joe Bush | OAK | -5.49 | 191506040_BAL_OAK |
| Hub Perdue | SLN | -4.72 | 191506030_CIN_SLN |
| Ed Appleton | LAN | -1.05 | 191506030_PHI_LAN |
| Pol Perritt | SFN | -1.03 | 191506050_SFN_CHN |
| Phil Douglas | CIN | -0.74 | 191506040_CIN_SLN |
Based on accumulated WAA for this season up to 1915-06-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.42 | Pete Alexander | 113 | PHI |
| +004+ | 3.06 | Walter Johnson | 104.3 | MIN |
| +006+ | 2.67 | Al Mamaux | 67.7 | PIT |
| +010+ | 2.07 | Red Faber | 99.3 | CHA |
| +012+ | 1.87 | Jim Scott | 67.3 | CHA |
| +014+ | 1.8 | Bert Humphries | 36.7 | CHN |
| +015+ | 1.76 | Reb Russell | 81.7 | CHA |
| +018+ | 1.71 | Dan Griner | 63.3 | SLN |
| +020+ | 1.68 | Erskine Mayer | 84 | PHI |
| +021+ | 1.61 | Harry Coveleski | 87.7 | DET |
| +023+ | 1.59 | Joe Benz | 63 | CHA |
| +024+ | 1.58 | Jean Dubuc | 103.7 | DET |
| +028+ | 1.47 | Tom Hughes | 87 | ATL |
| +027+ | 1.47 | Pete Schneider | 49.7 | CIN |
| +029+ | 1.44 | Jack Coombs | 49.3 | LAN |
| +031+ | 1.32 | Ray Fisher | 79.7 | NYA |
| +032+ | 1.26 | Smoky Joe Wood | 40 | BOS |
| XXXXX | 1.25 | Wheezer Dell | 90 | LAN |
| XXXXX | 1.11 | Jim Shaw | 50.7 | MIN |
| XXXXX | 1.09 | Zip Zabel | 57.7 | CHN |
| XXXXX | 1.08 | Rube Foster | 77.3 | BOS |
| XXXXX | 0.98 | Ernie Shore | 65.7 | BOS |
| XXXXX | 0.92 | Sherry Smith | 35.3 | LAN |
| XXXXX | 0.91 | George Chalmers | 54 | PHI |
| XXXXX | 0.86 | Jeff Tesreau | 74.7 | SFN |
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