| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 3.87 | 191207122_CHA_OAK |
| Smoky Joe Wood | BOS | 2.27 | 191207122_DET_BOS |
| George Suggs | CIN | 1.56 | 191207120_PHI_CIN |
| Claude Hendrix | PIT | 1.42 | 191207120_LAN_PIT |
| Jimmy Lavender | CHN | 1.23 | 191207110_SFN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Earl Hamilton | BAL | -1.84 | 191207120_BAL_NYA |
| Bill Steele | SLN | -1.53 | 191207110_ATL_SLN |
| Hippo Vaughn | MIN | -1.31 | 191207120_CLE_MIN |
| Lefty Tyler | ATL | -1.28 | 191207110_ATL_SLN |
| Joe Lake | DET | -1.26 | 191207121_DET_BOS |
Based on accumulated WAA for this season up to 1912-07-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.55 | Walter Johnson | 190 | MIN |
| +002+ | 8.91 | Rube Marquard | 166.3 | SFN |
| +004+ | 6.5 | Marty O'Toole | 152 | PIT |
| +005+ | 6.38 | Christy Mathewson | 146.7 | SFN |
| +006+ | 5.92 | Nap Rucker | 140.7 | LAN |
| +007+ | 5.78 | Claude Hendrix | 155.3 | PIT |
| +009+ | 5.18 | Jimmy Lavender | 122 | CHN |
| +011+ | 5.14 | Larry Cheney | 172 | CHN |
| +012+ | 5.1 | Ed Walsh | 205.7 | CHA |
| +013+ | 4.83 | Smoky Joe Wood | 193.3 | BOS |
| +015+ | 4.67 | George Suggs | 141.3 | CIN |
| +016+ | 4.66 | Rube Benton | 156.3 | CIN |
| +018+ | 4.06 | Lew Richie | 110.3 | CHN |
| +019+ | 3.78 | Joe Benz | 136.7 | CHA |
| +025+ | 3.15 | Pete Alexander | 148.7 | PHI |
| +031+ | 2.7 | Red Ames | 97.7 | SFN |
| +033+ | 2.63 | Hub Perdue | 122.3 | ATL |
| +034+ | 2.55 | Hooks Wiltse | 83 | SFN |
| +037+ | 2.38 | Eddie Plank | 133.7 | OAK |
| +038+ | 2.28 | Chief Bender | 113.3 | OAK |
| +040+ | 2.18 | Ad Brennan | 124 | PHI |
| +043+ | 2.07 | Bert Humphries | 90.7 | CIN |
| +044+ | 2.06 | Mordecai Brown | 76.3 | CHN |
| +048+ | 1.98 | Howie Camnitz | 140 | PIT |
| +049+ | 1.96 | Vean Gregg | 121.3 | CLE |
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