| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 5.19 | 191204180_CHA_BAL |
| Russ Ford | NYA | 4.98 | 191204160_MIN_NYA |
| Smoky Joe Wood | BOS | 3.72 | 191204160_BOS_OAK |
| King Cole | CHN | 0.94 | 191204160_CHN_SLN |
| Slim Sallee | SLN | 0.28 | 191204180_SLN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Tyler | ATL | -1.72 | 191204160_SFN_ATL |
| Bill Steele | SLN | -1.59 | 191204160_CHN_SLN |
| Frank Smith | CIN | -1.32 | 191204160_PIT_CIN |
| Red Nelson | BAL | -1.2 | 191204180_CHA_BAL |
| Bob Groom | MIN | -0.86 | 191204160_MIN_NYA |
Based on accumulated WAA for this season up to 1912-04-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| XXXXX | 1.08 | Hub Perdue | 18 | ATL |
| XXXXX | 1.04 | Willie Mitchell | 16 | CLE |
| XXXXX | 1.03 | Slim Sallee | 20.7 | SLN |
| XXXXX | 1.01 | Rube Marquard | 15 | SFN |
| XXXXX | 0.98 | Hooks Wiltse | 9 | SFN |
| XXXXX | 0.87 | Walter Johnson | 17 | MIN |
| XXXXX | 0.86 | Tex Covington | 9 | DET |
| XXXXX | 0.86 | Larry Cheney | 9 | CHN |
| XXXXX | 0.85 | Ad Brennan | 17 | PHI |
| XXXXX | 0.7 | Smoky Joe Wood | 18 | BOS |
| XXXXX | 0.68 | Tom Seaton | 9 | PHI |
| XXXXX | 0.67 | George Baumgardner | 9 | BAL |
| XXXXX | 0.64 | Jack Quinn | 9 | NYA |
| XXXXX | 0.64 | Cy Morgan | 9 | OAK |
| XXXXX | 0.64 | Eddie Plank | 9 | OAK |
| XXXXX | 0.61 | George Kahler | 9 | CLE |
| XXXXX | 0.58 | Ed Willett | 17 | DET |
| XXXXX | 0.56 | Art Fromme | 11 | CIN |
| XXXXX | 0.55 | Jeff Tesreau | 7 | SFN |
| XXXXX | 0.52 | Babe Adams | 12 | PIT |
| XXXXX | 0.47 | Rube Benton | 10 | CIN |
| XXXXX | 0.45 | Buck O'Brien | 9 | BOS |
| XXXXX | 0.45 | Christy Mathewson | 8 | SFN |
| XXXXX | 0.44 | Marty O'Toole | 9 | PIT |
| XXXXX | 0.44 | Elmer Knetzer | 14.3 | LAN |
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