| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 8.97 | 192006200_CHN_LAN |
| Stan Coveleski | CLE | 7.34 | 192006190_MIN_CLE |
| Babe Adams | PIT | 2.55 | 192006190_PIT_SFN |
| Jack Quinn | NYA | 1.93 | 192006200_NYA_BAL |
| Walter Johnson | MIN | 1.83 | 192006180_MIN_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Causey | PHI | -3.12 | 192006180_SLN_PHI |
| Jim Shaw | MIN | -2.55 | 192006200_MIN_DET |
| Ferdie Schupp | SLN | -2.52 | 192006192_SLN_PHI |
| Dickey Kerr | CHA | -1.79 | 192006180_NYA_CHA |
| Doc Ayers | DET | -1.22 | 192006180_BOS_DET |
Based on accumulated WAA for this season up to 1920-06-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 5.62 | Dutch Ruether | 139.3 | CIN |
| +004+ | 5.07 | Stan Coveleski | 119 | CLE |
| +005+ | 4.91 | Hippo Vaughn | 104 | CHN |
| +006+ | 4.05 | Pete Alexander | 146 | CHN |
| +007+ | 3.83 | Jack Quinn | 121 | NYA |
| +009+ | 3.68 | Jesse Haines | 126.3 | SLN |
| +010+ | 3.43 | Bob Shawkey | 111 | NYA |
| +011+ | 3.38 | Babe Adams | 103 | PIT |
| +013+ | 3.08 | Leon Cadore | 102.7 | LAN |
| +015+ | 2.86 | Urban Shocker | 109 | BAL |
| +017+ | 2.82 | Burleigh Grimes | 102 | LAN |
| +021+ | 2.53 | Dana Fillingim | 108 | ATL |
| +023+ | 2.18 | Red Faber | 111 | CHA |
| +025+ | 2.16 | Al Mamaux | 67 | LAN |
| +028+ | 2.05 | Lee Meadows | 80 | PHI |
| +031+ | 1.8 | Dixie Davis | 73 | BAL |
| +030+ | 1.8 | Eric Erickson | 89.7 | MIN |
| +037+ | 1.56 | Allen Russell | 94.7 | BOS |
| +042+ | 1.51 | Phil Douglas | 73 | SFN |
| +044+ | 1.48 | Wilbur Cooper | 116.3 | PIT |
| XXXXX | 1.22 | Elmer Ponder | 40 | PIT |
| XXXXX | 1.21 | Joe Oeschger | 101.7 | ATL |
| XXXXX | 1.19 | George Smith | 95.3 | PHI |
| XXXXX | 1.13 | Eppa Rixey | 118 | PHI |
| XXXXX | 0.95 | Jack Scott | 70.7 | ATL |
_