| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 7.25 | 191204290_NYA_MIN |
| Eddie Plank | OAK | 4.34 | 191204290_OAK_BOS |
| Ed Walsh | CHA | 2.99 | 191204270_CHA_DET |
| Smoky Joe Wood | BOS | 2.89 | 191204270_OAK_BOS |
| Lew Richie | CHN | 0.96 | 191204270_SLN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Steele | SLN | -2.66 | 191204270_SLN_CHN |
| Bill Burns | DET | -1.01 | 191204280_CHA_DET |
| Boardwalk Brown | OAK | -0.55 | 191204270_OAK_BOS |
| Ray Caldwell | NYA | -0.45 | 191204270_NYA_MIN |
| Howie Camnitz | PIT | -0.41 | 191204270_CIN_PIT |
Based on accumulated WAA for this season up to 1912-04-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.84 | Walter Johnson | 44 | MIN |
| +002+ | 2 | Eddie Plank | 27 | OAK |
| +004+ | 1.78 | George Kahler | 28 | CLE |
| +005+ | 1.73 | Christy Mathewson | 26 | SFN |
| +006+ | 1.56 | Hub Perdue | 37 | ATL |
| +007+ | 1.49 | Tom Seaton | 27 | PHI |
| +008+ | 1.47 | Bob Groom | 27 | MIN |
| +010+ | 1.36 | Larry Cheney | 27 | CHN |
| +009+ | 1.36 | Lew Richie | 20 | CHN |
| +011+ | 1.35 | Charley Hall | 24.7 | BOS |
| +013+ | 1.29 | Jim Scott | 29.7 | CHA |
| +014+ | 1.26 | Maury Kent | 17.7 | LAN |
| XXXXX | 1.2 | Eddie Stack | 17 | LAN |
| XXXXX | 1.07 | Buster Brown | 16 | ATL |
| XXXXX | 1.06 | Jeff Tesreau | 15 | SFN |
| XXXXX | 1.02 | Marty O'Toole | 18 | PIT |
| XXXXX | 0.97 | Ad Brennan | 26 | PHI |
| XXXXX | 0.89 | Hooks Wiltse | 9 | SFN |
| XXXXX | 0.8 | Rube Marquard | 23 | SFN |
| XXXXX | 0.77 | Claude Hendrix | 26.7 | PIT |
| XXXXX | 0.76 | Elmer Knetzer | 19 | LAN |
| XXXXX | 0.75 | Curly Brown | 9 | BAL |
| XXXXX | 0.71 | Joe Benz | 9 | CHA |
| XXXXX | 0.67 | Rube Benton | 22 | CIN |
| XXXXX | 0.67 | Babe Adams | 21 | PIT |
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