| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 7.85 | 191204240_MIN_BOS |
| Smoky Joe Wood | BOS | 4.19 | 191204230_MIN_BOS |
| Cy Morgan | OAK | 4.09 | 191204230_OAK_NYA |
| Ed Walsh | CHA | 3.65 | 191204230_CHA_CLE |
| Babe Adams | PIT | 2.95 | 191204230_PIT_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Warhop | NYA | -2.45 | 191204240_OAK_NYA |
| Lefty George | CLE | -1.64 | 191204240_CHA_CLE |
| Lefty Tyler | ATL | -1.37 | 191204230_ATL_LAN |
| Bill Bailey | BAL | -1.24 | 191204220_DET_BAL |
| Bob Harmon | SLN | -0.95 | 191204230_SLN_CIN |
Based on accumulated WAA for this season up to 1912-04-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2 | Walter Johnson | 35 | MIN |
| +002+ | 1.72 | Hub Perdue | 27 | ATL |
| +003+ | 1.71 | George Baumgardner | 24 | BAL |
| +004+ | 1.62 | Larry Cheney | 18 | CHN |
| +005+ | 1.47 | Eddie Plank | 18 | OAK |
| +006+ | 1.43 | George Kahler | 19 | CLE |
| +007+ | 1.33 | Maury Kent | 17.7 | LAN |
| XXXXX | 1.23 | Jim Scott | 29.7 | CHA |
| XXXXX | 1.11 | Jeff Tesreau | 15 | SFN |
| XXXXX | 1.11 | Art Fromme | 20 | CIN |
| XXXXX | 1.1 | Christy Mathewson | 17 | SFN |
| XXXXX | 1.1 | Buster Brown | 16 | ATL |
| XXXXX | 1.02 | Cy Morgan | 20 | OAK |
| XXXXX | 0.92 | Hooks Wiltse | 9 | SFN |
| XXXXX | 0.88 | Rube Marquard | 23 | SFN |
| XXXXX | 0.83 | Elmer Knetzer | 19 | LAN |
| XXXXX | 0.79 | Ad Brennan | 17 | PHI |
| XXXXX | 0.72 | Curly Brown | 9 | BAL |
| XXXXX | 0.68 | Tom Seaton | 18 | PHI |
| XXXXX | 0.68 | Babe Adams | 21 | PIT |
| XXXXX | 0.66 | Rube Benton | 22 | CIN |
| XXXXX | 0.63 | Bob Groom | 18 | MIN |
| XXXXX | 0.58 | Eddie Stack | 8 | LAN |
| XXXXX | 0.57 | Lew Richie | 11 | CHN |
| XXXXX | 0.48 | Frank Lange | 9 | CHA |
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