| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 12.77 | 191507210_CHN_PHI |
| Jim Scott | CHA | 2.81 | 191507221_NYA_CHA |
| Rube Foster | BOS | 0.93 | 191507220_BOS_BAL |
| Dick Rudolph | ATL | 0.63 | 191507220_CHN_ATL |
| Bob Harmon | PIT | 0.57 | 191507200_PIT_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hub Perdue | SLN | -3.5 | 191507222_SLN_LAN |
| Roy Walker | CLE | -2.25 | 191507200_MIN_CLE |
| Rube Marquard | SFN | -1.13 | 191507200_SLN_SFN |
| Bob Shawkey | NYA | -1.08 | 191507221_NYA_CHA |
| Rube Benton | CIN | -1 | 191507200_CIN_ATL |
Based on accumulated WAA for this season up to 1915-07-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.14 | Pete Alexander | 212.7 | PHI |
| +003+ | 7.1 | Walter Johnson | 193.7 | MIN |
| +009+ | 3.89 | Jim Scott | 164 | CHA |
| +011+ | 3.74 | Al Mamaux | 142.7 | PIT |
| +013+ | 3.59 | Smoky Joe Wood | 104.3 | BOS |
| +016+ | 3.12 | Red Faber | 199.3 | CHA |
| +017+ | 3.1 | Bob Harmon | 148.7 | PIT |
| +020+ | 2.71 | Gene Dale | 150.7 | CIN |
| +022+ | 2.63 | Ray Fisher | 154.7 | NYA |
| +024+ | 2.46 | Erskine Mayer | 172.3 | PHI |
| +025+ | 2.46 | Sherry Smith | 110.3 | LAN |
| +030+ | 2.24 | Guy Morton | 172 | CLE |
| +032+ | 2.18 | Hooks Dauss | 168.7 | DET |
| +035+ | 2.02 | Ernie Shore | 121.7 | BOS |
| +034+ | 2.02 | Bill Doak | 164.3 | SLN |
| +036+ | 1.99 | Jack Coombs | 103.3 | LAN |
| +039+ | 1.94 | Fred Toney | 76.3 | CIN |
| +041+ | 1.91 | Bert Humphries | 84.3 | CHN |
| +043+ | 1.88 | Pat Ragan | 138.7 | TOT |
| +044+ | 1.83 | Hank Robinson | 88 | SLN |
| +047+ | 1.77 | Sailor Stroud | 100.7 | SFN |
| +050+ | 1.66 | Reb Russell | 118.3 | CHA |
| +052+ | 1.63 | Joe Benz | 121 | CHA |
| +055+ | 1.54 | Pete Schneider | 139 | CIN |
| +060+ | 1.45 | Rube Foster | 144.7 | BOS |
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