| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 7.25 | 191204290_NYA_MIN |
| Eddie Plank | OAK | 4.34 | 191204290_OAK_BOS |
| Vean Gregg | CLE | 0.37 | 191204300_CLE_BAL |
| Charley Hall | BOS | 0.33 | 191204300_OAK_BOS |
| Frank Lange | CHA | 0.21 | 191204280_CHA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Burns | DET | -1.01 | 191204280_CHA_DET |
| Harry Krause | OAK | -0.31 | 191204300_OAK_BOS |
| Jimmy Lavender | CHN | -0.2 | 191204300_CIN_CHN |
| Elmer Brown | BAL | -0.19 | 191204300_CLE_BAL |
| George Mogridge | CHA | -0.18 | 191204300_CHA_DET |
Based on accumulated WAA for this season up to 1912-04-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.84 | Walter Johnson | 44 | MIN |
| +002+ | 2.02 | Eddie Plank | 27 | OAK |
| +004+ | 1.78 | George Kahler | 28 | CLE |
| +005+ | 1.72 | Christy Mathewson | 26 | SFN |
| +006+ | 1.55 | Hub Perdue | 37 | ATL |
| +007+ | 1.48 | Tom Seaton | 27 | PHI |
| +008+ | 1.47 | Charley Hall | 28.3 | BOS |
| +009+ | 1.46 | Bob Groom | 27 | MIN |
| +010+ | 1.36 | Lew Richie | 20 | CHN |
| +011+ | 1.36 | Larry Cheney | 27 | CHN |
| +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 | 0.76 | Elmer Knetzer | 19 | LAN |
| XXXXX | 0.76 | Claude Hendrix | 26.7 | PIT |
| XXXXX | 0.71 | Joe Benz | 9 | CHA |
| XXXXX | 0.67 | Rube Benton | 22 | CIN |
| XXXXX | 0.66 | Babe Adams | 21 | PIT |
| XXXXX | 0.58 | Harry McIntire | 18.3 | CHN |
| XXXXX | 0.47 | Bob Harmon | 37 | SLN |
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