| Starter | Tm | Tier | Game |
|---|---|---|---|
| Speed Martin | CHN | -2.7 | 192007121_LAN_CHN |
| Dutch Leonard | DET | -1.35 | 192007130_DET_BOS |
| Dickey Kerr | CHA | -1.19 | 192007120_CHA_OAK |
| Ray Caldwell | CLE | -1.18 | 192007130_CLE_OAK |
| Elam Vangilder | BAL | -1.1 | 192007120_BAL_BOS |
Based on accumulated WAA for this season up to 1920-07-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.87 | Pete Alexander | 202.7 | CHN |
| +004+ | 6.86 | Dutch Ruether | 183.3 | CIN |
| +005+ | 5.33 | Stan Coveleski | 164 | CLE |
| +007+ | 4.27 | Burleigh Grimes | 149.3 | LAN |
| +008+ | 4.14 | Jesse Haines | 181.3 | SLN |
| +013+ | 3.78 | Red Faber | 157 | CHA |
| +017+ | 3.69 | Leon Cadore | 139 | LAN |
| +018+ | 3.66 | Jack Quinn | 156.7 | NYA |
| +019+ | 3.55 | Hippo Vaughn | 141 | CHN |
| +020+ | 3.51 | Babe Adams | 143 | PIT |
| +024+ | 3.17 | Wilbur Cooper | 168 | PIT |
| +027+ | 2.84 | Dana Fillingim | 137 | ATL |
| +030+ | 2.64 | Urban Shocker | 157 | BAL |
| +033+ | 2.36 | Joe Oeschger | 144.3 | ATL |
| +034+ | 2.09 | Phil Douglas | 102 | SFN |
| +035+ | 2.04 | Eppa Rixey | 159.7 | PHI |
| +036+ | 2.03 | Harry Harper | 70.7 | BOS |
| +042+ | 1.9 | Elmer Ponder | 69.3 | PIT |
| +046+ | 1.8 | Sherry Smith | 70.3 | LAN |
| +049+ | 1.73 | Rip Collins | 79.7 | NYA |
| +054+ | 1.61 | Jeff Pfeffer | 109 | LAN |
| +057+ | 1.47 | George Smith | 129.3 | PHI |
| +059+ | 1.39 | Dolf Luque | 96.3 | CIN |
| +060+ | 1.36 | Lee Meadows | 117.7 | PHI |
| +062+ | 1.29 | Dixie Davis | 110 | BAL |
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