| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Coveleski | CLE | 7.55 | 192007052_CLE_CHA |
| Hippo Vaughn | CHN | 7.39 | 192007040_CHN_SLN |
| Dutch Ruether | CIN | 6.79 | 192007040_PIT_CIN |
| Jesse Haines | SLN | 2.37 | 192007040_CHN_SLN |
| Babe Adams | PIT | 2.24 | 192007040_PIT_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Shaw | MIN | -3.13 | 192007040_NYA_MIN |
| Ferdie Schupp | SLN | -2.15 | 192007051_CHN_SLN |
| Ernie Shore | NYA | -1.7 | 192007051_NYA_MIN |
| Sad Sam Jones | BOS | -1.4 | 192007061_BOS_OAK |
| Hooks Dauss | DET | -1.38 | 192007052_BAL_DET |
Based on accumulated WAA for this season up to 1920-07-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.89 | Dutch Ruether | 174.3 | CIN |
| +004+ | 6.4 | Pete Alexander | 179.3 | CHN |
| +005+ | 5.33 | Jesse Haines | 162.7 | SLN |
| +006+ | 4.9 | Stan Coveleski | 155 | CLE |
| +008+ | 4 | Leon Cadore | 126.7 | LAN |
| +010+ | 3.94 | Burleigh Grimes | 131.3 | LAN |
| +013+ | 3.81 | Hippo Vaughn | 124.3 | CHN |
| +017+ | 3.47 | Jack Quinn | 147.7 | NYA |
| +021+ | 3.13 | Red Faber | 148 | CHA |
| +024+ | 2.69 | Dana Fillingim | 126.7 | ATL |
| +027+ | 2.47 | Babe Adams | 123 | PIT |
| +028+ | 2.42 | Wilbur Cooper | 154 | PIT |
| +030+ | 2.24 | Phil Douglas | 102 | SFN |
| +033+ | 2.07 | Urban Shocker | 139 | BAL |
| +035+ | 2.02 | Rip Collins | 64.7 | NYA |
| +038+ | 1.88 | Elmer Ponder | 60.3 | PIT |
| +040+ | 1.76 | Eppa Rixey | 150 | PHI |
| +042+ | 1.68 | Joe Oeschger | 135.3 | ATL |
| +044+ | 1.67 | Rollie Naylor | 142.3 | OAK |
| +046+ | 1.62 | Harry Harper | 62.7 | BOS |
| +047+ | 1.61 | Fred Toney | 122.7 | SFN |
| +051+ | 1.44 | Jack Scott | 118.7 | ATL |
| +053+ | 1.41 | Walter Johnson | 127.7 | MIN |
| +055+ | 1.34 | Jeff Pfeffer | 100 | LAN |
| +058+ | 1.29 | George Smith | 113.3 | PHI |
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