| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Coveleski | CLE | 7.55 | 192007052_CLE_CHA |
| Hippo Vaughn | CHN | 7.39 | 192007040_CHN_SLN |
| Dutch Ruether | CIN | 6.79 | 192007040_PIT_CIN |
| Jesse Haines | SLN | 2.37 | 192007040_CHN_SLN |
| Babe Adams | PIT | 2.24 | 192007040_PIT_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Shaw | MIN | -3.13 | 192007040_NYA_MIN |
| Ferdie Schupp | SLN | -2.15 | 192007051_CHN_SLN |
| Ernie Shore | NYA | -1.7 | 192007051_NYA_MIN |
| Hooks Dauss | DET | -1.38 | 192007052_BAL_DET |
| Dickey Kerr | CHA | -1.26 | 192007052_CLE_CHA |
Based on accumulated WAA for this season up to 1920-07-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.88 | Dutch Ruether | 174.3 | CIN |
| +004+ | 6.38 | Pete Alexander | 179.3 | CHN |
| +005+ | 5.32 | Jesse Haines | 162.7 | SLN |
| +006+ | 4.92 | Stan Coveleski | 155 | CLE |
| +008+ | 3.99 | Leon Cadore | 126.7 | LAN |
| +009+ | 3.92 | Burleigh Grimes | 131.3 | LAN |
| +013+ | 3.8 | Hippo Vaughn | 124.3 | CHN |
| +018+ | 3.46 | Jack Quinn | 147.7 | NYA |
| +020+ | 3.18 | Red Faber | 138 | CHA |
| +023+ | 2.47 | Al Mamaux | 93 | LAN |
| +024+ | 2.46 | Babe Adams | 123 | PIT |
| +026+ | 2.41 | Wilbur Cooper | 154 | PIT |
| +028+ | 2.26 | Dana Fillingim | 118.7 | ATL |
| +029+ | 2.23 | Phil Douglas | 102 | SFN |
| +035+ | 2.06 | Urban Shocker | 139 | BAL |
| +036+ | 2.02 | Rip Collins | 64.7 | NYA |
| +037+ | 1.87 | Elmer Ponder | 60.3 | PIT |
| +039+ | 1.81 | Harry Harper | 54.7 | BOS |
| +041+ | 1.75 | Eppa Rixey | 150 | PHI |
| +045+ | 1.66 | Joe Oeschger | 135.3 | ATL |
| +046+ | 1.6 | Fred Toney | 122.7 | SFN |
| +050+ | 1.42 | Jack Scott | 118.7 | ATL |
| +053+ | 1.4 | Walter Johnson | 127.7 | MIN |
| +055+ | 1.32 | Jeff Pfeffer | 100 | LAN |
| +056+ | 1.28 | George Smith | 113.3 | PHI |
_