| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 5.51 | 191206170_BOS_CHA |
| Christy Mathewson | SFN | 5.37 | 191206180_PIT_SFN |
| Eddie Plank | OAK | 1.9 | 191206160_OAK_DET |
| Smoky Joe Wood | BOS | 1.82 | 191206160_BOS_CHA |
| Larry Cheney | CHN | 0.91 | 191206180_CHN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Steele | SLN | -1.87 | 191206180_SLN_LAN |
| Ralph Works | DET | -0.77 | 191206180_CLE_DET |
| Bob Groom | MIN | -0.54 | 191206180_OAK_MIN |
| Frank Allen | LAN | -0.41 | 191206180_SLN_LAN |
| Lefty Tyler | ATL | -0.36 | 191206180_CIN_ATL |
Based on accumulated WAA for this season up to 1912-06-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.95 | Walter Johnson | 143 | MIN |
| +002+ | 7.23 | Rube Marquard | 122 | SFN |
| +003+ | 5.21 | Slim Sallee | 113 | SLN |
| +004+ | 4.75 | Larry Cheney | 131.3 | CHN |
| +005+ | 4.69 | Christy Mathewson | 106.7 | SFN |
| +006+ | 4.12 | Ed Walsh | 149.7 | CHA |
| +007+ | 3.83 | Marty O'Toole | 107 | PIT |
| +008+ | 3.79 | Rube Benton | 118 | CIN |
| +011+ | 3.52 | Ad Brennan | 93.3 | PHI |
| +013+ | 3.1 | Hooks Wiltse | 51.3 | SFN |
| +015+ | 3.06 | George Suggs | 97.7 | CIN |
| +016+ | 2.97 | Claude Hendrix | 104.7 | PIT |
| +017+ | 2.94 | Red Ames | 67 | SFN |
| +018+ | 2.86 | Hub Perdue | 101.3 | ATL |
| +020+ | 2.39 | Lew Richie | 63.7 | CHN |
| +021+ | 2.39 | Nap Rucker | 92 | LAN |
| +022+ | 2.3 | Charley Hall | 87 | BOS |
| +024+ | 2.1 | Walt Dickson | 56.3 | ATL |
| +028+ | 1.94 | Cliff Curtis | 38 | PHI |
| +029+ | 1.83 | Joe Benz | 85.7 | CHA |
| +031+ | 1.78 | Jack Powell | 90 | BAL |
| +038+ | 1.63 | Jean Dubuc | 96.3 | DET |
| +039+ | 1.62 | Tom Seaton | 95.3 | PHI |
| +040+ | 1.58 | Jack Coombs | 85 | OAK |
| +044+ | 1.49 | Babe Adams | 68.3 | PIT |
_