| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Shaw | MIN | -3.91 | 192007202_DET_MIN |
| Red Oldham | DET | -2.22 | 192007201_DET_MIN |
| Sad Sam Jones | BOS | -1.99 | 192007210_CHA_BOS |
| Lefty Williams | CHA | -1.95 | 192007210_CHA_BOS |
| Roy Moore | OAK | -1.79 | 192007200_BAL_OAK |
Based on accumulated WAA for this season up to 1920-07-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.68 | Pete Alexander | 219.7 | CHN |
| +004+ | 6.5 | Dutch Ruether | 195 | CIN |
| +006+ | 5.15 | Burleigh Grimes | 168 | LAN |
| +008+ | 4.7 | Stan Coveleski | 179.3 | CLE |
| +009+ | 4.64 | Hippo Vaughn | 158 | CHN |
| +010+ | 4.52 | Jesse Haines | 190.3 | SLN |
| +013+ | 4.2 | Bob Shawkey | 128.3 | NYA |
| +014+ | 4.1 | Babe Adams | 152 | PIT |
| +015+ | 3.97 | Red Faber | 174 | CHA |
| +018+ | 3.8 | Leon Cadore | 145 | LAN |
| +021+ | 3.65 | Wilbur Cooper | 186.7 | PIT |
| +024+ | 3.52 | Jack Quinn | 171.3 | NYA |
| +029+ | 2.95 | Urban Shocker | 166 | BAL |
| +031+ | 2.7 | Eppa Rixey | 179 | PHI |
| +032+ | 2.68 | Dana Fillingim | 150.7 | ATL |
| +034+ | 2.48 | Phil Douglas | 108 | SFN |
| +035+ | 2.26 | Dolf Luque | 115.3 | CIN |
| +039+ | 2.09 | Harry Harper | 79.7 | BOS |
| +042+ | 2.07 | George Smith | 137.3 | PHI |
| +044+ | 2.05 | Lee Meadows | 126.7 | PHI |
| +045+ | 2.01 | Sherry Smith | 75.3 | LAN |
| +047+ | 1.96 | Joe Oeschger | 160.3 | ATL |
| +055+ | 1.75 | Elmer Ponder | 84.3 | PIT |
| +056+ | 1.74 | Jeff Pfeffer | 121 | LAN |
| +059+ | 1.67 | Dixie Davis | 130 | BAL |
_