| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 6.42 | 192004290_SLN_CHN |
| Walter Johnson | MIN | 5.62 | 192004290_MIN_NYA |
| Stan Coveleski | CLE | 4.5 | 192005010_CLE_DET |
| Carl Mays | NYA | 4.12 | 192004300_BOS_NYA |
| Allen Sothoron | BAL | 3.67 | 192004290_DET_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Elmer Myers | CLE | -4.87 | 192004290_CHA_CLE |
| Hooks Dauss | DET | -2.96 | 192004290_DET_BAL |
| Eppa Rixey | PHI | -2.04 | 192005010_SFN_PHI |
| Walt Kinney | OAK | -1.74 | 192005010_OAK_MIN |
| Elmer Jacobs | SLN | -0.73 | 192005010_SLN_CHN |
Based on accumulated WAA for this season up to 1920-05-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.25 | Joe Oeschger | 54.7 | ATL |
| +003+ | 1.86 | Leon Cadore | 52 | LAN |
| +004+ | 1.56 | Lee Meadows | 27 | PHI |
| +005+ | 1.41 | Lefty Williams | 39 | CHA |
| XXXXX | 1.2 | Bob Shawkey | 34.7 | NYA |
| XXXXX | 1.18 | Eric Erickson | 30 | MIN |
| XXXXX | 1.09 | Dutch Ruether | 46.7 | CIN |
| XXXXX | 1.02 | Bill Doak | 28 | SLN |
| XXXXX | 1.02 | Eddie Cicotte | 18 | CHA |
| XXXXX | 0.95 | Fred Toney | 24 | SFN |
| XXXXX | 0.91 | Stan Coveleski | 43 | CLE |
| XXXXX | 0.9 | Dana Fillingim | 17 | ATL |
| XXXXX | 0.83 | Hank Thormahlen | 11.7 | NYA |
| XXXXX | 0.8 | Clarence Mitchell | 18 | LAN |
| XXXXX | 0.74 | Babe Adams | 41 | PIT |
| XXXXX | 0.66 | Bullet Joe Bush | 28 | BOS |
| XXXXX | 0.62 | Hippo Vaughn | 38 | CHN |
| XXXXX | 0.59 | Allen Sothoron | 26 | BAL |
| XXXXX | 0.59 | Burleigh Grimes | 18 | LAN |
| XXXXX | 0.56 | Ray Fisher | 11.3 | CIN |
| XXXXX | 0.47 | Claude Hendrix | 16.7 | CHN |
| XXXXX | 0.45 | Waite Hoyt | 28 | BOS |
| XXXXX | 0.42 | Jim Bagby | 27 | CLE |
| XXXXX | 0.4 | Hugh McQuillan | 11.7 | ATL |
| XXXXX | 0.39 | Elmer Ponder | 16 | PIT |
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