| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 7.31 | 192005250_PHI_CHN |
| Phil Douglas | SFN | 1.74 | 192005271_ATL_SFN |
| Allen Sothoron | BAL | 1.71 | 192005250_BAL_BOS |
| Leon Cadore | LAN | 1.69 | 192005250_LAN_PIT |
| Slim Sallee | CIN | 1.3 | 192005270_CIN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bert Gallia | PHI | -3.12 | 192005250_PHI_CHN |
| Hooks Dauss | DET | -1.97 | 192005260_DET_NYA |
| Ray Caldwell | CLE | -1.16 | 192005260_CLE_MIN |
| Tom Zachary | MIN | -1.08 | 192005260_CLE_MIN |
| Pat Martin | OAK | -0.87 | 192005270_CHA_OAK |
Based on accumulated WAA for this season up to 1920-05-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.89 | Dutch Ruether | 90.7 | CIN |
| +002+ | 3.46 | Stan Coveleski | 87 | CLE |
| +004+ | 3.16 | Babe Adams | 77 | PIT |
| +005+ | 2.77 | Leon Cadore | 73.3 | LAN |
| +006+ | 2.71 | Hippo Vaughn | 74.7 | CHN |
| +008+ | 2.57 | Pete Alexander | 90 | CHN |
| +009+ | 2.5 | Burleigh Grimes | 65.7 | LAN |
| +011+ | 2.22 | Jack Quinn | 68 | NYA |
| +012+ | 2.22 | Dana Fillingim | 61 | ATL |
| +013+ | 2.15 | Red Faber | 71.7 | CHA |
| +014+ | 2.02 | Bob Shawkey | 73.7 | NYA |
| +017+ | 1.92 | Eric Erickson | 59 | MIN |
| +018+ | 1.7 | Eddie Cicotte | 51.3 | CHA |
| +021+ | 1.5 | Hank Thormahlen | 44.7 | NYA |
| +022+ | 1.49 | Jesse Haines | 82.7 | SLN |
| +027+ | 1.35 | Jim Bagby | 73 | CLE |
| +030+ | 1.26 | Herb Pennock | 57.3 | BOS |
| XXXXX | 1.22 | Allen Russell | 50.7 | BOS |
| XXXXX | 1.15 | Hugh McQuillan | 42 | ATL |
| XXXXX | 1.09 | Sad Sam Jones | 67 | BOS |
| XXXXX | 1 | Al Mamaux | 29 | LAN |
| XXXXX | 0.93 | Phil Douglas | 40.7 | SFN |
| XXXXX | 0.89 | Hal Carlson | 54 | PIT |
| XXXXX | 0.87 | Elmer Ponder | 27 | PIT |
| XXXXX | 0.8 | Dick Rudolph | 33.7 | ATL |
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