| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Shaw | MIN | -3.35 | 192007291_MIN_DET |
| Red Oldham | DET | -2.78 | 192007291_MIN_DET |
| Red Causey | PHI | -2.21 | 192007282_PIT_PHI |
| Lefty Williams | CHA | -1.68 | 192007291_OAK_CHA |
| Slim Harriss | OAK | -0.76 | 192007280_OAK_CHA |
Based on accumulated WAA for this season up to 1920-07-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.63 | Pete Alexander | 236.3 | CHN |
| +004+ | 7.38 | Dutch Ruether | 213 | CIN |
| +007+ | 5.37 | Burleigh Grimes | 183 | LAN |
| +008+ | 4.76 | Hippo Vaughn | 177 | CHN |
| +009+ | 4.73 | Bob Shawkey | 144.7 | NYA |
| +012+ | 4.41 | Stan Coveleski | 198.3 | CLE |
| +013+ | 4.36 | Wilbur Cooper | 204.7 | PIT |
| +017+ | 3.87 | Leon Cadore | 163.7 | LAN |
| +018+ | 3.86 | Red Faber | 188 | CHA |
| +019+ | 3.82 | Jack Quinn | 187.3 | NYA |
| +021+ | 3.65 | Jesse Haines | 198 | SLN |
| +022+ | 3.62 | Babe Adams | 166 | PIT |
| +027+ | 3.11 | Dolf Luque | 136 | CIN |
| +029+ | 3.09 | Urban Shocker | 183.3 | BAL |
| +033+ | 2.7 | Eppa Rixey | 196 | PHI |
| +037+ | 2.45 | Lee Meadows | 141.3 | PHI |
| +040+ | 2.27 | Harry Harper | 92 | BOS |
| +042+ | 2.2 | Phil Douglas | 115 | SFN |
| +044+ | 2.17 | Dixie Davis | 144 | BAL |
| +047+ | 1.98 | Jim Bagby | 212.3 | CLE |
| +049+ | 1.87 | Dana Fillingim | 155.7 | ATL |
| +056+ | 1.72 | Rip Collins | 108 | NYA |
| +057+ | 1.67 | Joe Oeschger | 177.3 | ATL |
| +062+ | 1.52 | Elmer Ponder | 99.3 | PIT |
| +063+ | 1.44 | Jeff Pfeffer | 127 | LAN |
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