| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nap Rucker | LAN | 3.7 | 191208210_LAN_PIT |
| Slim Sallee | SLN | 2.63 | 191208190_SFN_SLN |
| Marty O'Toole | PIT | 2.45 | 191208202_LAN_PIT |
| Smoky Joe Wood | BOS | 2.37 | 191208200_DET_BOS |
| Pete Alexander | PHI | 1.75 | 191208201_PHI_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Russ Ford | NYA | -2.41 | 191208201_BAL_NYA |
| Mack Allison | BAL | -1.87 | 191208201_BAL_NYA |
| Carl Cashion | MIN | -1.75 | 191208202_CLE_MIN |
| Joe Lake | DET | -1.6 | 191208210_DET_MIN |
| Eddie Cicotte | CHA | -1.22 | 191208201_CHA_OAK |
Based on accumulated WAA for this season up to 1912-08-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.68 | Walter Johnson | 284 | MIN |
| +002+ | 9.58 | Christy Mathewson | 227 | SFN |
| +003+ | 9.34 | Nap Rucker | 221.7 | LAN |
| +004+ | 9.04 | Rube Marquard | 225.7 | SFN |
| +006+ | 8.59 | Claude Hendrix | 234.7 | PIT |
| +007+ | 7.53 | Slim Sallee | 237.7 | SLN |
| +008+ | 6.93 | Smoky Joe Wood | 267 | BOS |
| +010+ | 6.17 | Marty O'Toole | 215 | PIT |
| +011+ | 6.06 | Ed Walsh | 303.3 | CHA |
| +015+ | 5.48 | Lew Richie | 194.7 | CHN |
| +016+ | 5.47 | Rube Benton | 219.7 | CIN |
| +017+ | 5.41 | Jimmy Lavender | 189.3 | CHN |
| +018+ | 5.39 | Pete Alexander | 237 | PHI |
| +019+ | 5.33 | George Suggs | 216 | CIN |
| +020+ | 5.24 | Art Fromme | 206 | CIN |
| +025+ | 4.37 | Jeff Tesreau | 141.7 | SFN |
| +027+ | 4.25 | Larry Cheney | 211 | CHN |
| +028+ | 3.97 | Howie Camnitz | 204.7 | PIT |
| +034+ | 3.51 | Hank Robinson | 123.7 | PIT |
| +035+ | 3.46 | Hooks Wiltse | 118.3 | SFN |
| +039+ | 3.17 | Eddie Plank | 191.7 | OAK |
| +042+ | 3 | Babe Adams | 120.3 | PIT |
| +044+ | 2.92 | Eddie Stack | 99 | LAN |
| +046+ | 2.8 | Bert Humphries | 155.3 | CIN |
| +049+ | 2.73 | Vean Gregg | 203 | CLE |
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