| 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 1920-07-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.63 | Pete Alexander | 219.7 | CHN |
| +004+ | 6.46 | Dutch Ruether | 195 | CIN |
| +006+ | 5.13 | Burleigh Grimes | 168 | LAN |
| +008+ | 4.6 | Hippo Vaughn | 158 | CHN |
| +010+ | 4.35 | Jesse Haines | 191.3 | SLN |
| +013+ | 4.06 | Babe Adams | 152 | PIT |
| +014+ | 3.95 | Stan Coveleski | 180.3 | CLE |
| +016+ | 3.93 | Red Faber | 174 | CHA |
| +019+ | 3.61 | Wilbur Cooper | 186.7 | PIT |
| +023+ | 3.51 | Jack Quinn | 171.3 | NYA |
| +025+ | 3.37 | Urban Shocker | 174 | BAL |
| +027+ | 3.35 | Leon Cadore | 153 | LAN |
| +032+ | 2.68 | Eppa Rixey | 179 | PHI |
| +033+ | 2.66 | Dolf Luque | 123.3 | CIN |
| +034+ | 2.65 | Dana Fillingim | 150.7 | ATL |
| +036+ | 2.57 | Harry Harper | 88.7 | BOS |
| +037+ | 2.46 | Lee Meadows | 134.7 | PHI |
| +038+ | 2.46 | Phil Douglas | 108 | SFN |
| +043+ | 2.05 | George Smith | 137.3 | PHI |
| +044+ | 2.01 | Rip Collins | 101.7 | NYA |
| +045+ | 2 | Sherry Smith | 75.3 | LAN |
| +054+ | 1.74 | Elmer Ponder | 84.3 | PIT |
| +055+ | 1.73 | Jeff Pfeffer | 121 | LAN |
| +057+ | 1.71 | Joe Oeschger | 168.3 | ATL |
| +058+ | 1.65 | Dixie Davis | 130 | BAL |
_