| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 11.82 | 191505270_MIN_DET |
| Pete Alexander | PHI | 5.17 | 191505281_PHI_ATL |
| Joe Benz | CHA | 1.59 | 191505270_NYA_CHA |
| Bill James | ATL | 1.12 | 191505282_PHI_ATL |
| Hippo Vaughn | CHN | 0.91 | 191505270_CHN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hub Perdue | SLN | -1.69 | 191505280_SLN_SFN |
| Eppa Rixey | PHI | -1.1 | 191505282_PHI_ATL |
| Chick Davies | OAK | -0.41 | 191505270_OAK_CLE |
| Gene Dale | CIN | -0.36 | 191505270_CIN_ATL |
| Bernie Boland | DET | -0.28 | 191505270_MIN_DET |
Based on accumulated WAA for this season up to 1915-05-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.15 | Pete Alexander | 97 | PHI |
| +004+ | 3.1 | Walter Johnson | 86.3 | MIN |
| +005+ | 2.72 | Wheezer Dell | 75 | LAN |
| +008+ | 2.02 | Grover Lowdermilk | 93.7 | BAL |
| +010+ | 1.86 | Red Faber | 87.3 | CHA |
| +013+ | 1.64 | Harry Coveleski | 69.7 | DET |
| +014+ | 1.63 | Joe Benz | 55.7 | CHA |
| +015+ | 1.62 | Al Mamaux | 49.7 | PIT |
| +017+ | 1.56 | Guy Morton | 79 | CLE |
| +019+ | 1.47 | Tom Hughes | 70 | ATL |
| +020+ | 1.46 | Sailor Stroud | 36.3 | SFN |
| +023+ | 1.4 | Jim Shaw | 41 | MIN |
| +024+ | 1.39 | George Chalmers | 44.3 | PHI |
| +026+ | 1.35 | Jack Coombs | 40.3 | LAN |
| +029+ | 1.29 | Jean Dubuc | 83 | DET |
| XXXXX | 1.21 | Erskine Mayer | 66 | PHI |
| XXXXX | 1.21 | Bert Gallia | 44.3 | MIN |
| XXXXX | 1.21 | Reb Russell | 62 | CHA |
| XXXXX | 1.13 | Bert Humphries | 19.7 | CHN |
| XXXXX | 1.11 | Jeff Tesreau | 58.7 | SFN |
| XXXXX | 1.07 | Eppa Rixey | 33.7 | PHI |
| XXXXX | 1.04 | Dick Rudolph | 79 | ATL |
| XXXXX | 0.98 | Dan Griner | 45.3 | SLN |
| XXXXX | 0.95 | Jim Scott | 48.7 | CHA |
| XXXXX | 0.91 | Smoky Joe Wood | 27 | BOS |
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