| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 8.62 | 191205030_BOS_MIN |
| Chief Bender | OAK | 4.21 | 191205010_NYA_OAK |
| Ed Walsh | CHA | 4.02 | 191205020_CLE_CHA |
| Babe Adams | PIT | 2.7 | 191205010_CHN_PIT |
| Smoky Joe Wood | BOS | 2.53 | 191205010_BOS_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Tyler | ATL | -1.46 | 191205010_LAN_ATL |
| Ralph Works | DET | -1.16 | 191205020_BAL_DET |
| Bill Bailey | BAL | -1.1 | 191205020_BAL_DET |
| Harry McIntire | CHN | -0.84 | 191205020_CHN_PIT |
| Boardwalk Brown | OAK | -0.79 | 191205030_NYA_OAK |
Based on accumulated WAA for this season up to 1912-05-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.72 | Walter Johnson | 53 | MIN |
| +002+ | 2.23 | Eddie Plank | 27.7 | OAK |
| +003+ | 2.09 | George Kahler | 36 | CLE |
| +005+ | 1.94 | Marty O'Toole | 27 | PIT |
| +006+ | 1.83 | Lew Richie | 30.7 | CHN |
| +007+ | 1.73 | Hub Perdue | 37 | ATL |
| +009+ | 1.67 | Rube Marquard | 31 | SFN |
| +011+ | 1.48 | Christy Mathewson | 27 | SFN |
| +012+ | 1.45 | Charley Hall | 37.3 | BOS |
| +013+ | 1.41 | Buster Brown | 18.7 | ATL |
| +014+ | 1.38 | Jeff Tesreau | 24 | SFN |
| +015+ | 1.35 | Maury Kent | 26 | LAN |
| +017+ | 1.28 | Eddie Stack | 17 | LAN |
| XXXXX | 1.21 | Bob Groom | 36 | MIN |
| XXXXX | 1.2 | Ed Walsh | 58 | CHA |
| XXXXX | 1.11 | Ad Brennan | 26 | PHI |
| XXXXX | 1.06 | Jack Quinn | 27 | NYA |
| XXXXX | 0.89 | Rube Benton | 26 | CIN |
| XXXXX | 0.87 | Ralph Works | 9 | DET |
| XXXXX | 0.82 | Claude Hendrix | 30.7 | PIT |
| XXXXX | 0.78 | Slim Sallee | 39.3 | SLN |
| XXXXX | 0.76 | Babe Adams | 30 | PIT |
| XXXXX | 0.71 | Joe Benz | 23 | CHA |
| XXXXX | 0.67 | Harry Gaspar | 12 | CIN |
| XXXXX | 0.63 | Chief Bender | 22 | OAK |
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