| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 9.48 | 191205280_MIN_NYA |
| Christy Mathewson | SFN | 6.35 | 191205280_SFN_LAN |
| Smoky Joe Wood | BOS | 3.97 | 191205291_MIN_BOS |
| Eddie Plank | OAK | 2.95 | 191205270_OAK_BOS |
| Babe Adams | PIT | 2.61 | 191205270_SLN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Earl Hamilton | BAL | -3.55 | 191205281_DET_BAL |
| Ray Caldwell | NYA | -2.33 | 191205270_MIN_NYA |
| Lefty Tyler | ATL | -1.85 | 191205271_ATL_PHI |
| Dixie Walker | MIN | -1.69 | 191205291_MIN_BOS |
| Cliff Curtis | PHI | -1.07 | 191205272_ATL_PHI |
Based on accumulated WAA for this season up to 1912-05-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.32 | Rube Marquard | 76 | SFN |
| +002+ | 5.28 | Walter Johnson | 102 | MIN |
| +004+ | 3.59 | Ed Walsh | 103.3 | CHA |
| +005+ | 3.52 | Marty O'Toole | 66 | PIT |
| +006+ | 3.11 | Hooks Wiltse | 31 | SFN |
| +007+ | 3.01 | Christy Mathewson | 69.7 | SFN |
| +009+ | 2.63 | Red Ames | 53.3 | SFN |
| +010+ | 2.48 | Rube Benton | 70.7 | CIN |
| +011+ | 2.37 | Joe Benz | 68.7 | CHA |
| +012+ | 2.37 | Ad Brennan | 60.7 | PHI |
| +013+ | 2.31 | Lew Richie | 55.7 | CHN |
| +015+ | 2.26 | Larry Cheney | 87.3 | CHN |
| +017+ | 2.03 | Buster Brown | 53.7 | ATL |
| +020+ | 1.94 | Jeff Tesreau | 42.3 | SFN |
| +021+ | 1.9 | Hub Perdue | 80.7 | ATL |
| +023+ | 1.76 | Charley Hall | 61.3 | BOS |
| +024+ | 1.73 | Walt Dickson | 30.7 | ATL |
| +029+ | 1.52 | Smoky Joe Wood | 100.7 | BOS |
| +032+ | 1.43 | Eddie Plank | 55 | OAK |
| +035+ | 1.4 | Vean Gregg | 55.7 | CLE |
| +034+ | 1.4 | Jean Dubuc | 56.3 | DET |
| +040+ | 1.34 | Ed Willett | 79 | DET |
| +042+ | 1.28 | Chief Bender | 33 | OAK |
| +041+ | 1.28 | Art Fromme | 67 | CIN |
| XXXXX | 1.12 | Claude Hendrix | 61 | PIT |
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