| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 5.51 | 191206170_BOS_CHA |
| Christy Mathewson | SFN | 5.37 | 191206180_PIT_SFN |
| Chief Bender | OAK | 2.08 | 191206192_MIN_OAK |
| Larry Cheney | CHN | 0.91 | 191206180_CHN_PHI |
| Marty O'Toole | PIT | 0.73 | 191206170_PIT_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Steele | SLN | -1.87 | 191206180_SLN_LAN |
| Barney Pelty | MIN | -1.11 | 191206192_MIN_OAK |
| Jack Warhop | NYA | -0.84 | 191206190_BOS_NYA |
| Ralph Works | DET | -0.77 | 191206180_CLE_DET |
| Elmer Knetzer | LAN | -0.63 | 191206190_PHI_LAN |
Based on accumulated WAA for this season up to 1912-06-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.86 | Walter Johnson | 143 | MIN |
| +002+ | 7.36 | Rube Marquard | 124.3 | SFN |
| +003+ | 5.16 | Slim Sallee | 113 | SLN |
| +004+ | 4.67 | Larry Cheney | 131.3 | CHN |
| +005+ | 4.61 | Christy Mathewson | 106.7 | SFN |
| +007+ | 4.04 | Ed Walsh | 149.7 | CHA |
| +009+ | 3.76 | Marty O'Toole | 107 | PIT |
| +010+ | 3.72 | Rube Benton | 118 | CIN |
| +011+ | 3.48 | Ad Brennan | 93.3 | PHI |
| +014+ | 3.06 | Hooks Wiltse | 51.3 | SFN |
| +015+ | 3 | George Suggs | 97.7 | CIN |
| +016+ | 2.9 | Claude Hendrix | 104.7 | PIT |
| +017+ | 2.78 | Red Ames | 74.7 | SFN |
| +018+ | 2.77 | Hub Perdue | 101.3 | ATL |
| +019+ | 2.42 | Joe Benz | 94.7 | CHA |
| +020+ | 2.35 | Lew Richie | 63.7 | CHN |
| +021+ | 2.32 | Nap Rucker | 92 | LAN |
| +022+ | 2.3 | Cliff Curtis | 46 | PHI |
| +023+ | 2.28 | Jack Coombs | 95 | OAK |
| +024+ | 2.24 | Charley Hall | 87 | BOS |
| +028+ | 2.05 | Walt Dickson | 56.3 | ATL |
| +033+ | 1.77 | Vean Gregg | 87.3 | CLE |
| +035+ | 1.75 | Jack Powell | 90 | BAL |
| +039+ | 1.69 | Chief Bender | 76.3 | OAK |
| +043+ | 1.58 | Tom Seaton | 95.3 | PHI |
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