| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 9.68 | 191210030_MIN_NYA |
| Nap Rucker | LAN | 5.85 | 191210030_SFN_LAN |
| Smoky Joe Wood | BOS | 4.25 | 191210030_BOS_OAK |
| Rube Marquard | SFN | 3.02 | 191210040_SFN_LAN |
| Ed Walsh | CHA | 2.95 | 191210040_CHA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Russ Ford | NYA | -3.51 | 191210040_MIN_NYA |
| Boardwalk Brown | OAK | -1.57 | 191210030_BOS_OAK |
| George Boehler | DET | -0.73 | 191210040_CHA_DET |
| Eddie Cicotte | CHA | -0.56 | 191210020_CHA_DET |
| Lefty Tyler | ATL | -0.48 | 191210021_LAN_ATL |
Based on accumulated WAA for this season up to 1912-10-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 14.74 | Walter Johnson | 369.3 | MIN |
| +003+ | 11.9 | Nap Rucker | 295.3 | LAN |
| +006+ | 9.65 | Smoky Joe Wood | 344 | BOS |
| +008+ | 8.98 | Rube Marquard | 294 | SFN |
| +009+ | 8.81 | Ed Walsh | 392 | CHA |
| +011+ | 8.37 | Claude Hendrix | 288.3 | PIT |
| +012+ | 8.18 | Pete Alexander | 310 | PHI |
| +013+ | 8.08 | Art Fromme | 290.7 | CIN |
| +014+ | 7.9 | Marty O'Toole | 271.3 | PIT |
| +016+ | 7.18 | Larry Cheney | 298.3 | CHN |
| +019+ | 6.92 | George Suggs | 298.7 | CIN |
| +020+ | 6.7 | Howie Camnitz | 267.3 | PIT |
| +024+ | 5.95 | Rube Benton | 292.7 | CIN |
| +026+ | 5.79 | Red Ames | 177.7 | SFN |
| +030+ | 5.32 | Lew Richie | 238.7 | CHN |
| +032+ | 4.96 | Eddie Plank | 259.7 | OAK |
| +036+ | 4.6 | Ray Collins | 199.3 | BOS |
| +038+ | 4.33 | Vean Gregg | 271 | CLE |
| +042+ | 3.89 | Tom Seaton | 254.3 | PHI |
| +043+ | 3.6 | Babe Adams | 169.3 | PIT |
| +074+ | 1.94 | Buck O'Brien | 266.7 | BOS |
| +080+ | 1.74 | Sandy Burk | 53 | TOT |
| +081+ | 1.69 | Wilbur Cooper | 33 | PIT |
| +082+ | 1.62 | Hugh Bedient | 231 | BOS |
| XXXXX | 1.08 | Dan Griner | 55 | SLN |
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