| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 6.36 | 191204190_OAK_MIN |
| Christy Mathewson | SFN | 5.48 | 191204190_LAN_SFN |
| Jim Scott | CHA | 1.09 | 191204200_CHA_BAL |
| Lefty Leifield | PIT | 0.86 | 191204210_PIT_CHN |
| Lew Richie | CHN | 0.76 | 191204200_CIN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Al Mattern | ATL | -2.17 | 191204190_ATL_PHI |
| Eddie Stack | LAN | -1.49 | 191204200_LAN_SFN |
| Bill Steele | SLN | -1.27 | 191204210_SLN_CIN |
| Bill Burns | DET | -1.15 | 191204210_CLE_DET |
| Howie Camnitz | PIT | -0.88 | 191204200_SLN_PIT |
Based on accumulated WAA for this season up to 1912-04-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 1.67 | Hub Perdue | 27 | ATL |
| +002+ | 1.65 | George Baumgardner | 24 | BAL |
| +003+ | 1.63 | Walter Johnson | 26 | MIN |
| +004+ | 1.63 | Larry Cheney | 18 | CHN |
| +005+ | 1.42 | George Kahler | 19 | CLE |
| XXXXX | 1.17 | Jim Scott | 29.7 | CHA |
| XXXXX | 1.11 | Art Fromme | 20 | CIN |
| XXXXX | 1.1 | Jeff Tesreau | 15 | SFN |
| XXXXX | 1.09 | Christy Mathewson | 17 | SFN |
| XXXXX | 1.03 | Slim Sallee | 20.7 | SLN |
| XXXXX | 0.99 | Rube Marquard | 16 | SFN |
| XXXXX | 0.91 | Cy Morgan | 12 | OAK |
| XXXXX | 0.91 | Hooks Wiltse | 9 | SFN |
| XXXXX | 0.8 | Tex Covington | 9 | DET |
| XXXXX | 0.77 | Ad Brennan | 17 | PHI |
| XXXXX | 0.65 | Tom Seaton | 18 | PHI |
| XXXXX | 0.63 | Eddie Plank | 9 | OAK |
| XXXXX | 0.59 | Eddie Stack | 8 | LAN |
| XXXXX | 0.58 | Lew Richie | 11 | CHN |
| XXXXX | 0.57 | Smoky Joe Wood | 18 | BOS |
| XXXXX | 0.49 | Babe Adams | 12 | PIT |
| XXXXX | 0.46 | Ed Willett | 17 | DET |
| XXXXX | 0.42 | Marty O'Toole | 9 | PIT |
| XXXXX | 0.42 | Buster Brown | 9 | ATL |
| XXXXX | 0.39 | Elmer Knetzer | 14.3 | LAN |
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