| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 8.18 | 192006160_CHN_ATL |
| Jack Quinn | NYA | 2.37 | 192006160_NYA_CHA |
| Wilbur Cooper | PIT | 1.94 | 192006180_PIT_SFN |
| Walter Johnson | MIN | 1.83 | 192006180_MIN_CLE |
| Urban Shocker | BAL | 1.4 | 192006160_OAK_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Causey | PHI | -3.12 | 192006180_SLN_PHI |
| Hooks Dauss | DET | -2.06 | 192006170_BOS_DET |
| Dickey Kerr | CHA | -1.79 | 192006180_NYA_CHA |
| Ray Caldwell | CLE | -0.58 | 192006180_MIN_CLE |
| Lyle Bigbee | OAK | -0.56 | 192006170_OAK_BAL |
Based on accumulated WAA for this season up to 1920-06-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.55 | Dutch Ruether | 138.7 | CIN |
| +004+ | 4.7 | Stan Coveleski | 112 | CLE |
| +005+ | 4.64 | Hippo Vaughn | 95 | CHN |
| +006+ | 4.14 | Jack Quinn | 112 | NYA |
| +008+ | 3.61 | Jesse Haines | 126.3 | SLN |
| +009+ | 3.56 | Pete Alexander | 134 | CHN |
| +010+ | 3.43 | Bob Shawkey | 111 | NYA |
| +011+ | 3.09 | Leon Cadore | 102.7 | LAN |
| +013+ | 3.04 | Urban Shocker | 101 | BAL |
| +016+ | 2.64 | Babe Adams | 94 | PIT |
| +022+ | 2.19 | Red Faber | 111 | CHA |
| +023+ | 2.13 | Al Mamaux | 55 | LAN |
| +024+ | 2.03 | Dana Fillingim | 99 | ATL |
| +028+ | 1.73 | Lee Meadows | 71 | PHI |
| +029+ | 1.71 | Dixie Davis | 72 | BAL |
| +037+ | 1.52 | Allen Russell | 83.7 | BOS |
| +041+ | 1.44 | Jim Bagby | 118.3 | CLE |
| +042+ | 1.43 | Wilbur Cooper | 116.3 | PIT |
| XXXXX | 1.21 | Eric Erickson | 80.7 | MIN |
| XXXXX | 1.2 | Elmer Ponder | 40 | PIT |
| XXXXX | 1.19 | Joe Oeschger | 101.7 | ATL |
| XXXXX | 1.11 | Eppa Rixey | 118 | PHI |
| XXXXX | 1.06 | Sherry Smith | 49 | LAN |
| XXXXX | 1 | Rip Collins | 32.7 | NYA |
| XXXXX | 0.94 | Jack Scott | 70.7 | ATL |
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