| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 4.64 | 192005160_BAL_MIN |
| Carl Mays | NYA | 3.66 | 192005160_CLE_NYA |
| Pete Alexander | CHN | 1.81 | 192005160_ATL_CHN |
| Wilbur Cooper | PIT | 1.77 | 192005170_SFN_PIT |
| Fred Toney | SFN | 1.52 | 192005170_SFN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Elmer Myers | CLE | -2.7 | 192005180_CLE_NYA |
| George Smith | PHI | -1.92 | 192005180_PHI_SLN |
| Hooks Dauss | DET | -1.23 | 192005170_DET_OAK |
| Bunny Hearn | ATL | -0.61 | 192005160_ATL_CHN |
| Elam Vangilder | BAL | -0.48 | 192005180_BAL_MIN |
Based on accumulated WAA for this season up to 1920-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.8 | Dutch Ruether | 72.7 | CIN |
| +002+ | 2.34 | Hippo Vaughn | 65.7 | CHN |
| +003+ | 2.16 | Dana Fillingim | 52 | ATL |
| +005+ | 1.97 | Stan Coveleski | 69 | CLE |
| +006+ | 1.92 | Babe Adams | 59 | PIT |
| +007+ | 1.84 | Jack Quinn | 50 | NYA |
| +008+ | 1.63 | Leon Cadore | 56.3 | LAN |
| +009+ | 1.59 | Bob Shawkey | 60.7 | NYA |
| +010+ | 1.54 | Burleigh Grimes | 47.7 | LAN |
| +011+ | 1.53 | Pete Alexander | 72 | CHN |
| +012+ | 1.44 | Jesse Haines | 69.7 | SLN |
| +013+ | 1.39 | Jim Bagby | 64 | CLE |
| +016+ | 1.27 | Hank Thormahlen | 36.7 | NYA |
| XXXXX | 1.14 | Eddie Cicotte | 27 | CHA |
| XXXXX | 1.12 | Allen Russell | 41.7 | BOS |
| XXXXX | 1.08 | Bill Doak | 40 | SLN |
| XXXXX | 0.98 | Phil Douglas | 31 | SFN |
| XXXXX | 0.96 | Herb Pennock | 39.3 | BOS |
| XXXXX | 0.91 | Red Faber | 46.7 | CHA |
| XXXXX | 0.81 | Joe Oeschger | 67.7 | ATL |
| XXXXX | 0.8 | Lefty Williams | 71 | CHA |
| XXXXX | 0.65 | Dixie Davis | 22.7 | BAL |
| XXXXX | 0.64 | Lee Meadows | 44 | PHI |
| XXXXX | 0.61 | Sad Sam Jones | 56 | BOS |
| XXXXX | 0.54 | Slim Sallee | 22.7 | CIN |
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