| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Shaw | MIN | -2.64 | 192007171_DET_MIN |
| Doc Ayers | DET | -1.98 | 192007171_DET_MIN |
| George Uhle | CLE | -1.85 | 192007160_CLE_OAK |
| Sad Sam Jones | BOS | -1.84 | 192007171_CLE_BOS |
| Red Causey | PHI | -1.48 | 192007160_PHI_SLN |
Based on accumulated WAA for this season up to 1920-07-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.29 | Pete Alexander | 211.7 | CHN |
| +004+ | 6.62 | Dutch Ruether | 186 | CIN |
| +005+ | 5.48 | Stan Coveleski | 173 | CLE |
| +008+ | 4.83 | Burleigh Grimes | 159 | LAN |
| +009+ | 4.63 | Jesse Haines | 190.3 | SLN |
| +011+ | 4.32 | Red Faber | 166 | CHA |
| +014+ | 4.09 | Babe Adams | 152 | PIT |
| +015+ | 3.92 | Hippo Vaughn | 149 | CHN |
| +017+ | 3.75 | Leon Cadore | 145 | LAN |
| +024+ | 3.15 | Wilbur Cooper | 177.7 | PIT |
| +027+ | 3.03 | Jack Quinn | 162.7 | NYA |
| +028+ | 2.92 | Urban Shocker | 166 | BAL |
| +033+ | 2.25 | Dolf Luque | 115.3 | CIN |
| +034+ | 2.23 | Eppa Rixey | 170 | PHI |
| +036+ | 2.21 | Dana Fillingim | 139.3 | ATL |
| +038+ | 2.16 | Phil Douglas | 104 | SFN |
| +039+ | 2.11 | Jeff Pfeffer | 118 | LAN |
| +041+ | 2.1 | George Smith | 137.3 | PHI |
| +040+ | 2.1 | Harry Harper | 79.7 | BOS |
| +042+ | 2.08 | Lee Meadows | 126.7 | PHI |
| +044+ | 2.03 | Rip Collins | 94 | NYA |
| +045+ | 1.99 | Sherry Smith | 75.3 | LAN |
| +048+ | 1.95 | Joe Oeschger | 160.3 | ATL |
| +057+ | 1.68 | Elmer Ponder | 75.3 | PIT |
| +061+ | 1.53 | Dixie Davis | 126 | BAL |
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