| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Coveleski | CLE | 5.96 | 192006100_OAK_CLE |
| Dutch Ruether | CIN | 5.38 | 192006100_CIN_SFN |
| Walter Johnson | MIN | 3.11 | 192006120_MIN_CHA |
| Pete Alexander | CHN | 2.85 | 192006120_CHN_ATL |
| Jack Quinn | NYA | 2.36 | 192006120_NYA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ferdie Schupp | SLN | -3.99 | 192006100_SLN_LAN |
| Hooks Dauss | DET | -2.79 | 192006120_OAK_DET |
| Red Causey | PHI | -2.54 | 192006100_CHN_PHI |
| Speed Martin | CHN | -2.1 | 192006110_CHN_PHI |
| Jim Shaw | MIN | -1.96 | 192006100_MIN_BAL |
Based on accumulated WAA for this season up to 1920-06-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.53 | Dutch Ruether | 129.7 | CIN |
| +004+ | 3.89 | Stan Coveleski | 103 | CLE |
| +005+ | 3.85 | Hippo Vaughn | 86 | CHN |
| +006+ | 3.85 | Jack Quinn | 104.7 | NYA |
| +007+ | 3.44 | Pete Alexander | 134 | CHN |
| +008+ | 3.3 | Leon Cadore | 95.7 | LAN |
| +010+ | 3.1 | Babe Adams | 93 | PIT |
| +011+ | 2.75 | Burleigh Grimes | 91 | LAN |
| +012+ | 2.58 | Jesse Haines | 115 | SLN |
| +015+ | 2.42 | Red Faber | 102 | CHA |
| +017+ | 2.22 | Allen Russell | 75.7 | BOS |
| +022+ | 2.06 | Al Mamaux | 55 | LAN |
| +024+ | 1.93 | Urban Shocker | 83 | BAL |
| +023+ | 1.93 | Dana Fillingim | 99 | ATL |
| +027+ | 1.87 | Dixie Davis | 54 | BAL |
| +030+ | 1.69 | Lee Meadows | 71 | PHI |
| +034+ | 1.53 | Jack Scott | 62.7 | ATL |
| +036+ | 1.47 | Herb Pennock | 82.3 | BOS |
| +038+ | 1.45 | Rip Collins | 28.3 | NYA |
| +040+ | 1.43 | Wilbur Cooper | 101.3 | PIT |
| +043+ | 1.38 | Jeff Pfeffer | 69 | LAN |
| +045+ | 1.36 | Hank Thormahlen | 61 | NYA |
| XXXXX | 1.14 | George Smith | 77.3 | PHI |
| XXXXX | 1.1 | Eric Erickson | 80.7 | MIN |
| XXXXX | 1.04 | Jim Bagby | 109.3 | CLE |
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