| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 9.96 | 191207252_DET_MIN |
| Christy Mathewson | SFN | 6.49 | 191207260_CHN_SFN |
| Ed Walsh | CHA | 3.98 | 191207270_BOS_CHA |
| Slim Sallee | SLN | 2.72 | 191207271_SLN_ATL |
| Claude Hendrix | PIT | 2.28 | 191207270_PIT_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Carl Cashion | MIN | -1.93 | 191207271_MIN_CLE |
| Ray Fisher | NYA | -1.68 | 191207272_NYA_BAL |
| Mack Allison | BAL | -1.48 | 191207272_NYA_BAL |
| Lefty Tyler | ATL | -1.22 | 191207272_SLN_ATL |
| Ed Willett | DET | -0.69 | 191207270_OAK_DET |
Based on accumulated WAA for this season up to 1912-07-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.05 | Walter Johnson | 227.3 | MIN |
| +002+ | 8.95 | Christy Mathewson | 183.7 | SFN |
| +003+ | 8.91 | Rube Marquard | 198.7 | SFN |
| +004+ | 7.25 | Claude Hendrix | 190.3 | PIT |
| +005+ | 7.1 | Slim Sallee | 191.7 | SLN |
| +008+ | 6.09 | Ed Walsh | 247 | CHA |
| +009+ | 6.07 | Marty O'Toole | 169 | PIT |
| +012+ | 5.01 | Smoky Joe Wood | 212.3 | BOS |
| +013+ | 5 | Rube Benton | 184 | CIN |
| +014+ | 4.8 | Jimmy Lavender | 143 | CHN |
| +015+ | 4.74 | Lew Richie | 142.3 | CHN |
| +018+ | 4.3 | George Suggs | 165.7 | CIN |
| +019+ | 4.24 | Larry Cheney | 193 | CHN |
| +020+ | 4.05 | Pete Alexander | 175.7 | PHI |
| +023+ | 3.45 | Bert Humphries | 110.7 | CIN |
| +028+ | 3.21 | Art Fromme | 158.7 | CIN |
| +030+ | 3.16 | Howie Camnitz | 167 | PIT |
| +032+ | 3.09 | Vean Gregg | 153.7 | CLE |
| +038+ | 2.64 | Ad Brennan | 159 | PHI |
| +040+ | 2.5 | Charley Hall | 142.3 | BOS |
| +041+ | 2.5 | Hank Robinson | 84.3 | PIT |
| +042+ | 2.45 | Joe Benz | 161.7 | CHA |
| +043+ | 2.42 | Red Ames | 111 | SFN |
| +047+ | 2.32 | Hooks Wiltse | 92.3 | SFN |
| +046+ | 2.32 | Eppa Rixey | 47.7 | PHI |
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