| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Coveleski | CLE | 6.36 | 192006061_BAL_CLE |
| Dutch Ruether | CIN | 4.85 | 192006060_PIT_CIN |
| Pete Alexander | CHN | 3.42 | 192006080_CHN_PHI |
| Walter Johnson | MIN | 3.18 | 192006080_MIN_BAL |
| Leon Cadore | LAN | 2.25 | 192006080_SLN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ferdie Schupp | SLN | -4.36 | 192006060_CHN_SLN |
| Ray Caldwell | CLE | -1.28 | 192006080_OAK_CLE |
| Red Oldham | DET | -1.25 | 192006060_DET_CHA |
| Eppa Rixey | PHI | -1.17 | 192006080_CHN_PHI |
| Rollie Naylor | OAK | -1.02 | 192006071_OAK_NYA |
Based on accumulated WAA for this season up to 1920-06-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 4.56 | Dutch Ruether | 118.7 | CIN |
| +004+ | 3.93 | Jack Quinn | 96.7 | NYA |
| +005+ | 3.79 | Burleigh Grimes | 83.7 | LAN |
| +006+ | 3.77 | Hippo Vaughn | 86 | CHN |
| +007+ | 3.57 | Babe Adams | 84 | PIT |
| +008+ | 3.52 | Stan Coveleski | 94 | CLE |
| +010+ | 3.17 | Leon Cadore | 95.7 | LAN |
| +011+ | 2.83 | Pete Alexander | 125 | CHN |
| +014+ | 2.26 | Red Faber | 93 | CHA |
| +016+ | 2.05 | Al Mamaux | 47 | LAN |
| +017+ | 2.04 | Bob Shawkey | 91.3 | NYA |
| +022+ | 1.77 | Jesse Haines | 106 | SLN |
| +026+ | 1.6 | Herb Pennock | 74.3 | BOS |
| +027+ | 1.58 | Lee Meadows | 62 | PHI |
| +029+ | 1.51 | Allen Russell | 67.7 | BOS |
| +035+ | 1.4 | Urban Shocker | 72 | BAL |
| +038+ | 1.32 | Dixie Davis | 45 | BAL |
| XXXXX | 1.09 | Sad Sam Jones | 90 | BOS |
| XXXXX | 1.08 | Jeff Pfeffer | 60 | LAN |
| XXXXX | 1.02 | Dana Fillingim | 88 | ATL |
| XXXXX | 1.01 | Jack Scott | 53.7 | ATL |
| XXXXX | 0.97 | Eric Erickson | 75 | MIN |
| XXXXX | 0.96 | Elmer Ponder | 38 | PIT |
| XXXXX | 0.88 | Hugh McQuillan | 60.3 | ATL |
| XXXXX | 0.86 | Wilbur Cooper | 92.7 | PIT |
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