| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Coveleski | CLE | 5.96 | 192006100_OAK_CLE |
| Dutch Ruether | CIN | 5.38 | 192006100_CIN_SFN |
| Babe Adams | PIT | 4.15 | 192006090_PIT_ATL |
| Carl Mays | NYA | 2.29 | 192006100_NYA_DET |
| Burleigh Grimes | LAN | 1.93 | 192006100_SLN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ferdie Schupp | SLN | -3.99 | 192006100_SLN_LAN |
| Red Causey | PHI | -2.54 | 192006100_CHN_PHI |
| Speed Martin | CHN | -2.1 | 192006110_CHN_PHI |
| Jim Shaw | MIN | -1.96 | 192006100_MIN_BAL |
| George Uhle | CLE | -1.46 | 192006090_OAK_CLE |
Based on accumulated WAA for this season up to 1920-06-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.48 | Dutch Ruether | 129.7 | CIN |
| +004+ | 3.99 | Jack Quinn | 96.7 | NYA |
| +005+ | 3.85 | Stan Coveleski | 103 | CLE |
| +006+ | 3.82 | Hippo Vaughn | 86 | CHN |
| +008+ | 3.25 | Leon Cadore | 95.7 | LAN |
| +009+ | 3.06 | Babe Adams | 93 | PIT |
| +010+ | 2.89 | Pete Alexander | 125 | CHN |
| +011+ | 2.71 | Burleigh Grimes | 91 | LAN |
| +014+ | 2.38 | Red Faber | 102 | CHA |
| +016+ | 2.18 | Allen Russell | 75.7 | BOS |
| +022+ | 1.9 | Urban Shocker | 83 | BAL |
| +024+ | 1.89 | Dana Fillingim | 99 | ATL |
| +025+ | 1.86 | Dixie Davis | 54 | BAL |
| +026+ | 1.84 | Jesse Haines | 106 | SLN |
| +029+ | 1.66 | Lee Meadows | 71 | PHI |
| +036+ | 1.5 | Jack Scott | 62.7 | ATL |
| +038+ | 1.44 | Rip Collins | 28.3 | NYA |
| +039+ | 1.42 | Herb Pennock | 82.3 | BOS |
| +040+ | 1.38 | Wilbur Cooper | 101.3 | PIT |
| +043+ | 1.35 | Jeff Pfeffer | 69 | LAN |
| +045+ | 1.33 | Hank Thormahlen | 61 | NYA |
| XXXXX | 1.25 | George Smith | 76.3 | PHI |
| XXXXX | 1.16 | Sad Sam Jones | 90 | BOS |
| XXXXX | 1.06 | Eric Erickson | 80.7 | MIN |
| XXXXX | 1 | Jim Bagby | 109.3 | CLE |
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