| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 3.11 | 192006120_MIN_CHA |
| Pete Alexander | CHN | 2.85 | 192006120_CHN_ATL |
| Jack Quinn | NYA | 2.36 | 192006120_NYA_CLE |
| Allen Sothoron | BAL | 1.46 | 192006120_BOS_BAL |
| Slim Sallee | CIN | 0.61 | 192006110_CIN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hooks Dauss | DET | -2.79 | 192006120_OAK_DET |
| Speed Martin | CHN | -2.1 | 192006110_CHN_PHI |
| Harry Courtney | MIN | -1.88 | 192006130_MIN_CHA |
| Ray Caldwell | CLE | -1.19 | 192006120_NYA_CLE |
| Rollie Naylor | OAK | -0.94 | 192006120_OAK_DET |
Based on accumulated WAA for this season up to 1920-06-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.54 | Dutch Ruether | 129.7 | CIN |
| +004+ | 3.89 | Stan Coveleski | 103 | CLE |
| +005+ | 3.85 | Hippo Vaughn | 86 | CHN |
| +006+ | 3.84 | Jack Quinn | 104.7 | NYA |
| +007+ | 3.44 | Pete Alexander | 134 | CHN |
| +010+ | 3.1 | Babe Adams | 93 | PIT |
| +011+ | 2.86 | Bob Shawkey | 100.3 | NYA |
| +012+ | 2.77 | Burleigh Grimes | 91 | LAN |
| +013+ | 2.59 | Jesse Haines | 115 | SLN |
| +015+ | 2.44 | Urban Shocker | 92 | BAL |
| +017+ | 2.42 | Red Faber | 102 | CHA |
| +021+ | 2.24 | Allen Russell | 75.7 | BOS |
| +024+ | 2.07 | Al Mamaux | 55 | LAN |
| +026+ | 1.93 | Dana Fillingim | 99 | ATL |
| +028+ | 1.87 | Dixie Davis | 54 | BAL |
| +032+ | 1.69 | Lee Meadows | 71 | PHI |
| +036+ | 1.53 | Jack Scott | 62.7 | ATL |
| +037+ | 1.49 | Herb Pennock | 82.3 | BOS |
| +040+ | 1.45 | Rip Collins | 28.3 | NYA |
| +041+ | 1.43 | Wilbur Cooper | 101.3 | PIT |
| +042+ | 1.39 | Jeff Pfeffer | 69 | LAN |
| +044+ | 1.36 | Hank Thormahlen | 61 | NYA |
| XXXXX | 1.14 | George Smith | 77.3 | PHI |
| XXXXX | 1.11 | Eric Erickson | 80.7 | MIN |
| XXXXX | 1.04 | Jim Bagby | 109.3 | CLE |
_