| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Causey | PHI | -3.33 | 192005190_PHI_SLN |
| Elmer Myers | CLE | -2.7 | 192005180_CLE_NYA |
| Hooks Dauss | DET | -1.23 | 192005170_DET_OAK |
| Elam Vangilder | BAL | -0.48 | 192005180_BAL_MIN |
| Harry Harper | BOS | -0.41 | 192005190_CHA_BOS |
Based on accumulated WAA for this season up to 1920-05-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.83 | Dutch Ruether | 72.7 | CIN |
| +002+ | 2.67 | Stan Coveleski | 78 | CLE |
| +003+ | 2.37 | Hippo Vaughn | 65.7 | CHN |
| +005+ | 2.21 | Dana Fillingim | 52 | ATL |
| +006+ | 1.96 | Babe Adams | 59 | PIT |
| +007+ | 1.86 | Jack Quinn | 50 | NYA |
| +008+ | 1.65 | Leon Cadore | 56.3 | LAN |
| +009+ | 1.61 | Bob Shawkey | 60.7 | NYA |
| +010+ | 1.56 | Pete Alexander | 72 | CHN |
| +011+ | 1.56 | Burleigh Grimes | 47.7 | LAN |
| +013+ | 1.48 | Jesse Haines | 69.7 | SLN |
| +014+ | 1.42 | Jim Bagby | 64 | CLE |
| +015+ | 1.3 | Bill Doak | 49 | SLN |
| +017+ | 1.28 | Hank Thormahlen | 36.7 | NYA |
| XXXXX | 1.15 | Allen Russell | 41.7 | BOS |
| XXXXX | 1.13 | Eddie Cicotte | 35 | CHA |
| XXXXX | 0.99 | Herb Pennock | 39.3 | BOS |
| XXXXX | 0.99 | Phil Douglas | 31 | SFN |
| XXXXX | 0.96 | Hugh McQuillan | 32 | ATL |
| XXXXX | 0.94 | Red Faber | 46.7 | CHA |
| XXXXX | 0.89 | Joe Oeschger | 67.7 | ATL |
| XXXXX | 0.86 | Lefty Williams | 71 | CHA |
| XXXXX | 0.69 | Wilbur Cooper | 65 | PIT |
| XXXXX | 0.68 | Lee Meadows | 44 | PHI |
| XXXXX | 0.66 | Dixie Davis | 22.7 | BAL |
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