| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 7.85 | 191204240_MIN_BOS |
| Christy Mathewson | SFN | 5.93 | 191204250_SFN_PHI |
| 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 |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Warhop | NYA | -2.45 | 191204240_OAK_NYA |
| Earl Hamilton | BAL | -2.37 | 191204250_DET_BAL |
| Lefty George | CLE | -1.64 | 191204240_CHA_CLE |
| Lefty Tyler | ATL | -1.37 | 191204230_ATL_LAN |
| Harry McIntire | CHN | -1.36 | 191204250_SLN_CHN |
Based on accumulated WAA for this season up to 1912-04-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 1.95 | Walter Johnson | 35 | MIN |
| +003+ | 1.71 | Christy Mathewson | 26 | SFN |
| +004+ | 1.58 | Larry Cheney | 18 | CHN |
| +005+ | 1.48 | Hub Perdue | 37 | ATL |
| +006+ | 1.46 | Tom Seaton | 27 | PHI |
| +007+ | 1.39 | George Kahler | 19 | CLE |
| +008+ | 1.34 | Eddie Plank | 18 | OAK |
| +009+ | 1.31 | Charley Hall | 24.7 | BOS |
| XXXXX | 1.25 | Maury Kent | 17.7 | LAN |
| XXXXX | 1.21 | Jim Scott | 29.7 | CHA |
| XXXXX | 1.07 | Art Fromme | 20 | CIN |
| XXXXX | 1.05 | Jeff Tesreau | 15 | SFN |
| XXXXX | 1.04 | Buster Brown | 16 | ATL |
| XXXXX | 0.98 | Marty O'Toole | 18 | PIT |
| XXXXX | 0.88 | Hooks Wiltse | 9 | SFN |
| XXXXX | 0.88 | Cy Morgan | 20 | OAK |
| XXXXX | 0.79 | Rube Marquard | 23 | SFN |
| XXXXX | 0.74 | Elmer Knetzer | 19 | LAN |
| XXXXX | 0.74 | Ad Brennan | 17 | PHI |
| XXXXX | 0.73 | Curly Brown | 9 | BAL |
| XXXXX | 0.68 | Joe Benz | 9 | CHA |
| XXXXX | 0.62 | Babe Adams | 21 | PIT |
| XXXXX | 0.61 | Rube Benton | 22 | CIN |
| XXXXX | 0.6 | Bob Groom | 18 | MIN |
| XXXXX | 0.56 | Harry McIntire | 18.3 | CHN |
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