| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Coveleski | CLE | 5.51 | 192005230_OAK_CLE |
| Phil Douglas | SFN | 1.69 | 192005220_SFN_SLN |
| Wilbur Cooper | PIT | 1.47 | 192005220_LAN_PIT |
| Eddie Cicotte | CHA | 1.37 | 192005230_CHA_MIN |
| Leon Cadore | LAN | 1.31 | 192005210_LAN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Causey | PHI | -3.58 | 192005230_PHI_CHN |
| Elmer Myers | CLE | -2.91 | 192005220_CLE_OAK |
| Hooks Dauss | DET | -1.49 | 192005210_DET_BOS |
| Pat Martin | OAK | -1.3 | 192005230_OAK_CLE |
| Jack Scott | ATL | -0.87 | 192005230_ATL_CIN |
Based on accumulated WAA for this season up to 1920-05-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.49 | Dutch Ruether | 81.7 | CIN |
| +002+ | 3.32 | Stan Coveleski | 87 | CLE |
| +004+ | 2.62 | Babe Adams | 68 | PIT |
| +005+ | 2.56 | Dana Fillingim | 59 | ATL |
| +006+ | 2.38 | Hippo Vaughn | 65.7 | CHN |
| +007+ | 2.32 | Leon Cadore | 65.3 | LAN |
| +008+ | 2 | Burleigh Grimes | 56.7 | LAN |
| +009+ | 1.91 | Jesse Haines | 78.7 | SLN |
| +010+ | 1.89 | Jack Quinn | 59 | NYA |
| +011+ | 1.85 | Bob Shawkey | 69.7 | NYA |
| +012+ | 1.84 | Eric Erickson | 59 | MIN |
| +013+ | 1.8 | Pete Alexander | 81 | CHN |
| +015+ | 1.61 | Herb Pennock | 48.3 | BOS |
| +019+ | 1.45 | Hank Thormahlen | 44.7 | NYA |
| +020+ | 1.36 | Red Faber | 62.7 | CHA |
| XXXXX | 1.23 | Jim Bagby | 73 | CLE |
| XXXXX | 1.2 | Phil Douglas | 39.3 | SFN |
| XXXXX | 1.14 | Allen Russell | 50.7 | BOS |
| XXXXX | 1.05 | Bill Doak | 54.3 | SLN |
| XXXXX | 1.02 | Hugh McQuillan | 32 | ATL |
| XXXXX | 0.97 | Urban Shocker | 46 | BAL |
| XXXXX | 0.95 | Eddie Cicotte | 42.3 | CHA |
| XXXXX | 0.82 | Elmer Ponder | 27 | PIT |
| XXXXX | 0.71 | Ray Fisher | 36.7 | CIN |
| XXXXX | 0.71 | Slim Sallee | 30.7 | CIN |
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