| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 9.6 | 191205110_CLE_MIN |
| Eddie Plank | OAK | 5.5 | 191205110_CHA_OAK |
| Smoky Joe Wood | BOS | 3.54 | 191205110_BAL_BOS |
| Lew Richie | CHN | 3.49 | 191205110_SFN_CHN |
| Russ Ford | NYA | 3.06 | 191205110_DET_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Tyler | ATL | -2.67 | 191205120_ATL_SLN |
| Joe Willis | SLN | -0.97 | 191205120_ATL_SLN |
| Elmer Brown | BAL | -0.76 | 191205110_BAL_BOS |
| Willie Mitchell | CLE | -0.57 | 191205110_CLE_MIN |
| Eddie Stack | LAN | -0.45 | 191205100_LAN_CIN |
Based on accumulated WAA for this season up to 1912-05-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.09 | Walter Johnson | 67 | MIN |
| +002+ | 3.24 | George Kahler | 53 | CLE |
| +003+ | 3.08 | Rube Marquard | 49 | SFN |
| +004+ | 2.74 | Lew Richie | 45.7 | CHN |
| +005+ | 2.25 | George Baumgardner | 32.7 | BAL |
| +006+ | 2.11 | Christy Mathewson | 45.7 | SFN |
| +007+ | 1.94 | Marty O'Toole | 41 | PIT |
| +011+ | 1.62 | Buster Brown | 26.3 | ATL |
| +012+ | 1.61 | George Mogridge | 24.3 | CHA |
| +015+ | 1.55 | Maury Kent | 33.3 | LAN |
| +016+ | 1.52 | Bob Groom | 50 | MIN |
| +019+ | 1.39 | Jeff Tesreau | 32.3 | SFN |
| +020+ | 1.38 | Red Ames | 26 | SFN |
| +021+ | 1.33 | Slim Sallee | 57.3 | SLN |
| +022+ | 1.3 | Smoky Joe Wood | 62.7 | BOS |
| +023+ | 1.29 | Hub Perdue | 50 | ATL |
| XXXXX | 1.2 | Charley Hall | 42.3 | BOS |
| XXXXX | 1.19 | Larry Cheney | 51.3 | CHN |
| XXXXX | 1.18 | Eddie Stack | 25.7 | LAN |
| XXXXX | 1.1 | Eddie Plank | 45.7 | OAK |
| XXXXX | 1.08 | Joe Benz | 30 | CHA |
| XXXXX | 1.01 | Babe Adams | 44.3 | PIT |
| XXXXX | 0.98 | Claude Hendrix | 37.7 | PIT |
| XXXXX | 0.75 | George Suggs | 48.3 | CIN |
| XXXXX | 0.73 | Harry Gaspar | 19 | CIN |
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