| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Coveleski | CLE | 6.11 | 192007101_CLE_MIN |
| Hippo Vaughn | CHN | 4.36 | 192007110_SFN_CHN |
| Babe Adams | PIT | 2.26 | 192007120_ATL_PIT |
| Burleigh Grimes | LAN | 2.05 | 192007121_LAN_CHN |
| Walter Johnson | MIN | 1.96 | 192007110_CLE_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Speed Martin | CHN | -2.7 | 192007121_LAN_CHN |
| Jim Shaw | MIN | -2.65 | 192007102_CLE_MIN |
| Dickey Kerr | CHA | -1.19 | 192007120_CHA_OAK |
| Elam Vangilder | BAL | -1.1 | 192007120_BAL_BOS |
| Hooks Dauss | DET | -1.07 | 192007100_DET_NYA |
Based on accumulated WAA for this season up to 1920-07-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.35 | Pete Alexander | 193.7 | CHN |
| +004+ | 6.86 | Dutch Ruether | 183.3 | CIN |
| +005+ | 5.33 | Stan Coveleski | 164 | CLE |
| +006+ | 4.25 | Burleigh Grimes | 149.3 | LAN |
| +008+ | 4.19 | Jesse Haines | 181.3 | SLN |
| +011+ | 3.77 | Red Faber | 157 | CHA |
| +016+ | 3.66 | Jack Quinn | 156.7 | NYA |
| +018+ | 3.54 | Hippo Vaughn | 141 | CHN |
| +019+ | 3.5 | Babe Adams | 143 | PIT |
| +021+ | 3.25 | Leon Cadore | 130.7 | LAN |
| +024+ | 3.17 | Wilbur Cooper | 168 | PIT |
| +025+ | 3.16 | Al Mamaux | 102 | LAN |
| +027+ | 2.82 | Dana Fillingim | 137 | ATL |
| +028+ | 2.73 | Urban Shocker | 148 | BAL |
| +031+ | 2.5 | Rip Collins | 73.7 | NYA |
| +034+ | 2.33 | Joe Oeschger | 144.3 | ATL |
| +036+ | 2.13 | Phil Douglas | 102 | SFN |
| +037+ | 2.03 | Harry Harper | 70.7 | BOS |
| +038+ | 2.02 | Eppa Rixey | 159.7 | PHI |
| +040+ | 1.9 | Elmer Ponder | 69.3 | PIT |
| +044+ | 1.79 | Sherry Smith | 70.3 | LAN |
| +052+ | 1.59 | Jeff Pfeffer | 109 | LAN |
| +055+ | 1.54 | Lee Meadows | 109.7 | PHI |
| +057+ | 1.45 | George Smith | 129.3 | PHI |
| +060+ | 1.39 | Dolf Luque | 96.3 | CIN |
_