| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Courtney | MIN | -3.55 | 192008020_MIN_CLE |
| Roy Moore | OAK | -2.05 | 192008010_OAK_BAL |
| Red Oldham | DET | -1.88 | 192008021_BOS_DET |
| Bullet Joe Bush | BOS | -1.64 | 192008021_BOS_DET |
| Lefty Williams | CHA | -1.32 | 192008020_NYA_CHA |
Based on accumulated WAA for this season up to 1920-08-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.37 | Pete Alexander | 246.3 | CHN |
| +004+ | 7.28 | Dutch Ruether | 220 | CIN |
| +006+ | 5.99 | Burleigh Grimes | 192 | LAN |
| +009+ | 5.25 | Stan Coveleski | 207.3 | CLE |
| +010+ | 4.96 | Hippo Vaughn | 186 | CHN |
| +011+ | 4.83 | Wilbur Cooper | 213.7 | PIT |
| +012+ | 4.71 | Jack Quinn | 196.3 | NYA |
| +013+ | 4.71 | Bob Shawkey | 150.7 | NYA |
| +017+ | 4.23 | Red Faber | 207 | CHA |
| +020+ | 3.84 | Leon Cadore | 170 | LAN |
| +022+ | 3.82 | Babe Adams | 172 | PIT |
| +026+ | 3.29 | Dolf Luque | 144.7 | CIN |
| +030+ | 2.97 | Eppa Rixey | 206 | PHI |
| +031+ | 2.9 | Jesse Haines | 210 | SLN |
| +035+ | 2.7 | Phil Douglas | 123 | SFN |
| +036+ | 2.64 | Harry Harper | 100.7 | BOS |
| +039+ | 2.56 | Dixie Davis | 153 | BAL |
| +041+ | 2.47 | Dana Fillingim | 164.7 | ATL |
| +040+ | 2.47 | Al Mamaux | 133.7 | LAN |
| +043+ | 2.33 | Urban Shocker | 193.3 | BAL |
| +044+ | 2.29 | Joe Oeschger | 186.3 | ATL |
| +048+ | 2.03 | Lee Meadows | 145.7 | PHI |
| +049+ | 1.9 | Elmer Ponder | 108.3 | PIT |
| +050+ | 1.89 | Bill Doak | 173.7 | SLN |
| +059+ | 1.74 | Jim Bagby | 218.3 | CLE |
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