| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nap Rucker | LAN | 3.97 | 191208120_PIT_LAN |
| Claude Hendrix | PIT | 3.21 | 191208142_PHI_PIT |
| Ed Walsh | CHA | 2.13 | 191208120_CHA_CLE |
| Smoky Joe Wood | BOS | 2.01 | 191208142_BAL_BOS |
| Pete Alexander | PHI | 1.35 | 191208142_PHI_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Russ Ford | NYA | -2.68 | 191208142_DET_NYA |
| Rube Peters | CHA | -1.99 | 191208130_CHA_MIN |
| Joe Lake | DET | -1.21 | 191208130_DET_NYA |
| George Kahler | CLE | -0.84 | 191208120_CHA_CLE |
| Ed Donnelly | ATL | -0.76 | 191208120_CHN_ATL |
Based on accumulated WAA for this season up to 1912-08-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.43 | Walter Johnson | 264.7 | MIN |
| +002+ | 9.8 | Christy Mathewson | 216.7 | SFN |
| +003+ | 9.04 | Rube Marquard | 213 | SFN |
| +004+ | 8.92 | Claude Hendrix | 227.7 | PIT |
| +005+ | 8.31 | Nap Rucker | 209.7 | LAN |
| +007+ | 7.48 | Slim Sallee | 224 | SLN |
| +008+ | 6.78 | Marty O'Toole | 204.3 | PIT |
| +009+ | 6.52 | Smoky Joe Wood | 254 | BOS |
| +011+ | 5.93 | Pete Alexander | 222 | PHI |
| +012+ | 5.9 | Ed Walsh | 288.7 | CHA |
| +015+ | 5.62 | Rube Benton | 206 | CIN |
| +016+ | 5.07 | Jimmy Lavender | 175 | CHN |
| +019+ | 4.38 | Art Fromme | 190.7 | CIN |
| +020+ | 4.22 | Jeff Tesreau | 125.7 | SFN |
| +021+ | 4.21 | Lew Richie | 165.7 | CHN |
| +027+ | 3.82 | Larry Cheney | 200 | CHN |
| +028+ | 3.81 | George Suggs | 198 | CIN |
| +030+ | 3.67 | Howie Camnitz | 195.7 | PIT |
| +032+ | 3.52 | Red Ames | 131.7 | SFN |
| +033+ | 3.51 | Eddie Plank | 182.7 | OAK |
| +034+ | 3.48 | Eppa Rixey | 81 | PHI |
| +036+ | 3.22 | Lefty Leifield | 82.7 | TOT |
| +037+ | 3.21 | Jean Dubuc | 203.7 | DET |
| +039+ | 3.17 | Hank Robinson | 114.7 | PIT |
| +043+ | 2.99 | Rube Geyer | 110.7 | SLN |
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