| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 6.18 | 191206150_BOS_CHA |
| Christy Mathewson | SFN | 4.93 | 191206130_CHN_SFN |
| Chief Bender | OAK | 2.36 | 191206140_OAK_DET |
| Slim Sallee | SLN | 2.1 | 191206150_SLN_LAN |
| Larry Cheney | CHN | 0.8 | 191206130_CHN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Earl Hamilton | BAL | -3.88 | 191206150_NYA_BAL |
| Lefty George | CLE | -2.3 | 191206130_MIN_CLE |
| Carl Cashion | MIN | -2.06 | 191206150_MIN_CLE |
| Bob Harmon | SLN | -1.65 | 191206130_SLN_ATL |
| Ralph Works | DET | -0.95 | 191206130_OAK_DET |
Based on accumulated WAA for this season up to 1912-06-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.07 | Walter Johnson | 143 | MIN |
| +002+ | 7.13 | Rube Marquard | 111 | SFN |
| +003+ | 5.22 | Slim Sallee | 113 | SLN |
| +004+ | 4.24 | Christy Mathewson | 98.7 | SFN |
| +005+ | 4.18 | Ed Walsh | 140.7 | CHA |
| +006+ | 4.17 | Larry Cheney | 122.3 | CHN |
| +008+ | 3.75 | Marty O'Toole | 96.7 | PIT |
| +011+ | 3.46 | Rube Benton | 110 | CIN |
| +013+ | 3.16 | Hooks Wiltse | 51.3 | SFN |
| +014+ | 3.08 | Claude Hendrix | 104.7 | PIT |
| +015+ | 3.02 | Red Ames | 67 | SFN |
| +016+ | 2.89 | Ad Brennan | 84.3 | PHI |
| +017+ | 2.66 | Hub Perdue | 92.3 | ATL |
| +018+ | 2.49 | Jean Dubuc | 87.3 | DET |
| +019+ | 2.43 | Lew Richie | 63.7 | CHN |
| +021+ | 2.21 | George Suggs | 88.7 | CIN |
| +023+ | 2.04 | Nap Rucker | 88 | LAN |
| +025+ | 1.97 | Cliff Curtis | 38 | PHI |
| +027+ | 1.87 | Joe Benz | 85.7 | CHA |
| +028+ | 1.87 | Walt Dickson | 47.3 | ATL |
| +030+ | 1.82 | Eddie Plank | 84.7 | OAK |
| +032+ | 1.7 | Tom Seaton | 95.3 | PHI |
| +034+ | 1.68 | Charley Hall | 78 | BOS |
| +038+ | 1.64 | Jack Coombs | 85 | OAK |
| +040+ | 1.59 | Jack Powell | 81 | BAL |
_