| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 4.89 | 192007310_CHN_PHI |
| Burleigh Grimes | LAN | 3.07 | 192008010_SLN_LAN |
| Wilbur Cooper | PIT | 3.02 | 192007311_PIT_ATL |
| Bob Shawkey | NYA | 2.31 | 192008010_NYA_CHA |
| Urban Shocker | BAL | 1.15 | 192007310_NYA_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Shaw | MIN | -2.37 | 192008010_MIN_CLE |
| Elmer Jacobs | SLN | -2.23 | 192007310_SLN_LAN |
| Roy Moore | OAK | -2.05 | 192008010_OAK_BAL |
| Dutch Leonard | DET | -1.92 | 192007310_MIN_DET |
| Bullet Joe Bush | BOS | -1.36 | 192007300_BOS_CLE |
Based on accumulated WAA for this season up to 1920-08-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.8 | Pete Alexander | 236.3 | CHN |
| +004+ | 7.52 | Dutch Ruether | 213 | CIN |
| +006+ | 5.98 | Burleigh Grimes | 192 | LAN |
| +009+ | 4.98 | Hippo Vaughn | 186 | CHN |
| +010+ | 4.83 | Wilbur Cooper | 213.7 | PIT |
| +011+ | 4.71 | Bob Shawkey | 150.7 | NYA |
| +013+ | 4.53 | Stan Coveleski | 198.3 | CLE |
| +018+ | 3.98 | Leon Cadore | 163.7 | LAN |
| +019+ | 3.97 | Jack Quinn | 187.3 | NYA |
| +020+ | 3.76 | Babe Adams | 166 | PIT |
| +022+ | 3.72 | Red Faber | 198 | CHA |
| +026+ | 3.46 | Jesse Haines | 204 | SLN |
| +027+ | 3.27 | Dolf Luque | 144.7 | CIN |
| +032+ | 2.81 | Eppa Rixey | 196 | PHI |
| +034+ | 2.7 | Phil Douglas | 123 | SFN |
| +037+ | 2.58 | Dixie Davis | 153 | BAL |
| +039+ | 2.47 | Dana Fillingim | 164.7 | ATL |
| +040+ | 2.35 | Harry Harper | 92 | BOS |
| +043+ | 2.26 | Urban Shocker | 192.3 | BAL |
| +042+ | 2.26 | Al Mamaux | 131 | LAN |
| +046+ | 2.05 | Lee Meadows | 145.7 | PHI |
| +056+ | 1.72 | Hod Eller | 78.7 | CIN |
| +060+ | 1.61 | Elmer Ponder | 99.3 | PIT |
| +063+ | 1.43 | Jim Bagby | 214.3 | CLE |
| +066+ | 1.41 | Scott Perry | 187 | OAK |
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