| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 5.59 | 191506140_PHI_PIT |
| Eddie Cicotte | CHA | 3.33 | 191506140_CHA_MIN |
| Jeff Pfeffer | LAN | 1.64 | 191506130_LAN_SLN |
| Al Mamaux | PIT | 1.42 | 191506140_PHI_PIT |
| Smoky Joe Wood | BOS | 1.38 | 191506140_CLE_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bullet Joe Bush | OAK | -4.22 | 191506140_DET_OAK |
| Pol Perritt | SFN | -1.04 | 191506140_SFN_CIN |
| Jack Warhop | NYA | -0.96 | 191506150_BAL_NYA |
| Bill James | BAL | -0.15 | 191506150_BAL_NYA |
| Hippo Vaughn | CHN | -0.1 | 191506150_ATL_CHN |
Based on accumulated WAA for this season up to 1915-06-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.42 | Pete Alexander | 135 | PHI |
| +004+ | 3.4 | Walter Johnson | 113.3 | MIN |
| +009+ | 2.64 | Al Mamaux | 87.7 | PIT |
| +010+ | 2.58 | Erskine Mayer | 102 | PHI |
| +011+ | 2.45 | Bert Humphries | 45.7 | CHN |
| +012+ | 2.42 | Smoky Joe Wood | 60 | BOS |
| +017+ | 1.98 | Jim Scott | 79.3 | CHA |
| +019+ | 1.93 | Guy Morton | 101.3 | CLE |
| +020+ | 1.92 | Red Faber | 112.7 | CHA |
| +021+ | 1.86 | Reb Russell | 83.7 | CHA |
| +023+ | 1.85 | Harry Coveleski | 108 | DET |
| +024+ | 1.72 | Wheezer Dell | 111 | LAN |
| +026+ | 1.62 | Joe Benz | 77 | CHA |
| +031+ | 1.4 | Tom Hughes | 102 | ATL |
| +030+ | 1.4 | Rube Foster | 86.3 | BOS |
| +033+ | 1.36 | Hooks Dauss | 113.3 | DET |
| +036+ | 1.26 | Ray Fisher | 98.7 | NYA |
| XXXXX | 1.22 | Dan Griner | 79.3 | SLN |
| XXXXX | 1.18 | Ernie Shore | 70 | BOS |
| XXXXX | 1.11 | Sherry Smith | 51.3 | LAN |
| XXXXX | 1 | Bob Harmon | 76 | PIT |
| XXXXX | 0.95 | Pete Schneider | 64 | CIN |
| XXXXX | 0.9 | Jean Dubuc | 116 | DET |
| XXXXX | 0.89 | Sailor Stroud | 52 | SFN |
| XXXXX | 0.89 | Jim Shaw | 61.7 | MIN |
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