| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 7.85 | 191204240_MIN_BOS |
| Christy Mathewson | SFN | 5.93 | 191204250_SFN_PHI |
| Eddie Plank | OAK | 3.95 | 191204240_OAK_NYA |
| Russ Ford | NYA | 2.34 | 191204250_OAK_NYA |
| Pete Alexander | PHI | 0.39 | 191204240_SFN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Warhop | NYA | -2.45 | 191204240_OAK_NYA |
| Earl Hamilton | BAL | -2.37 | 191204250_DET_BAL |
| Bill Steele | SLN | -1.81 | 191204260_SLN_CHN |
| Lefty George | CLE | -1.64 | 191204240_CHA_CLE |
| Harry McIntire | CHN | -1.36 | 191204250_SLN_CHN |
Based on accumulated WAA for this season up to 1912-04-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.03 | Walter Johnson | 35 | MIN |
| +003+ | 1.73 | Christy Mathewson | 26 | SFN |
| +004+ | 1.56 | Hub Perdue | 37 | ATL |
| +005+ | 1.48 | Tom Seaton | 27 | PHI |
| +006+ | 1.42 | George Kahler | 19 | CLE |
| +007+ | 1.39 | Eddie Plank | 18 | OAK |
| +008+ | 1.35 | Larry Cheney | 27 | CHN |
| +009+ | 1.35 | Charley Hall | 24.7 | BOS |
| +011+ | 1.26 | Maury Kent | 17.7 | LAN |
| XXXXX | 1.24 | Jim Scott | 29.7 | CHA |
| XXXXX | 1.2 | Eddie Stack | 17 | LAN |
| XXXXX | 1.1 | Art Fromme | 20 | CIN |
| XXXXX | 1.07 | Buster Brown | 16 | ATL |
| XXXXX | 1.06 | Jeff Tesreau | 15 | SFN |
| XXXXX | 1.01 | Marty O'Toole | 18 | PIT |
| XXXXX | 0.97 | Ad Brennan | 26 | PHI |
| XXXXX | 0.89 | Hooks Wiltse | 9 | SFN |
| XXXXX | 0.8 | Rube Marquard | 23 | SFN |
| XXXXX | 0.76 | Elmer Knetzer | 19 | LAN |
| XXXXX | 0.75 | Curly Brown | 9 | BAL |
| XXXXX | 0.7 | Joe Benz | 9 | CHA |
| XXXXX | 0.65 | Babe Adams | 21 | PIT |
| XXXXX | 0.64 | Bob Groom | 18 | MIN |
| XXXXX | 0.64 | Rube Benton | 22 | CIN |
| XXXXX | 0.58 | Harry McIntire | 18.3 | CHN |
_