| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Causey | PHI | -3.12 | 192006180_SLN_PHI |
| Ferdie Schupp | SLN | -2.52 | 192006192_SLN_PHI |
| Hooks Dauss | DET | -2.06 | 192006170_BOS_DET |
| Dickey Kerr | CHA | -1.79 | 192006180_NYA_CHA |
| Art Nehf | SFN | -0.88 | 192006190_PIT_SFN |
Based on accumulated WAA for this season up to 1920-06-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.55 | Dutch Ruether | 139.3 | CIN |
| +004+ | 5.01 | Stan Coveleski | 119 | CLE |
| +005+ | 4.56 | Hippo Vaughn | 95 | CHN |
| +006+ | 3.97 | Pete Alexander | 146 | CHN |
| +008+ | 3.67 | Jack Quinn | 112 | NYA |
| +009+ | 3.61 | Jesse Haines | 126.3 | SLN |
| +010+ | 3.37 | Bob Shawkey | 111 | NYA |
| +011+ | 3.31 | Babe Adams | 103 | PIT |
| +013+ | 3.02 | Leon Cadore | 102.7 | LAN |
| +014+ | 3 | Urban Shocker | 101 | BAL |
| +020+ | 2.48 | Dana Fillingim | 108 | ATL |
| +024+ | 2.13 | Red Faber | 111 | CHA |
| +025+ | 2.12 | Al Mamaux | 67 | LAN |
| +026+ | 2.01 | Lee Meadows | 80 | PHI |
| +032+ | 1.69 | Eric Erickson | 89.7 | MIN |
| +033+ | 1.68 | Dixie Davis | 72 | BAL |
| +036+ | 1.56 | Allen Russell | 92.7 | BOS |
| +044+ | 1.4 | Wilbur Cooper | 116.3 | PIT |
| +045+ | 1.39 | Jim Bagby | 118.3 | CLE |
| XXXXX | 1.19 | Elmer Ponder | 40 | PIT |
| XXXXX | 1.16 | Joe Oeschger | 101.7 | ATL |
| XXXXX | 1.14 | George Smith | 95.3 | PHI |
| XXXXX | 1.07 | Eppa Rixey | 118 | PHI |
| XXXXX | 1.03 | Sherry Smith | 49 | LAN |
| XXXXX | 0.92 | Jack Scott | 70.7 | ATL |
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