| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Coveleski | CLE | 6.66 | 192006140_NYA_CLE |
| Walter Johnson | MIN | 3.11 | 192006120_MIN_CHA |
| Pete Alexander | CHN | 2.85 | 192006120_CHN_ATL |
| Leon Cadore | LAN | 2.63 | 192006140_CIN_LAN |
| Jack Quinn | NYA | 2.36 | 192006120_NYA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hooks Dauss | DET | -2.79 | 192006120_OAK_DET |
| Ferdie Schupp | SLN | -2.79 | 192006140_SLN_SFN |
| Bert Gallia | PHI | -2.67 | 192006140_PIT_PHI |
| Harry Courtney | MIN | -1.88 | 192006130_MIN_CHA |
| Ray Caldwell | CLE | -1.19 | 192006120_NYA_CLE |
Based on accumulated WAA for this season up to 1920-06-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.61 | Dutch Ruether | 129.7 | CIN |
| +004+ | 4.65 | Stan Coveleski | 112 | CLE |
| +005+ | 3.9 | Jack Quinn | 104.7 | NYA |
| +008+ | 3.49 | Pete Alexander | 134 | CHN |
| +009+ | 3.14 | Babe Adams | 93 | PIT |
| +010+ | 3.03 | Leon Cadore | 102.7 | LAN |
| +011+ | 2.92 | Bob Shawkey | 100.3 | NYA |
| +012+ | 2.75 | Burleigh Grimes | 93 | LAN |
| +013+ | 2.64 | Jesse Haines | 115 | SLN |
| +014+ | 2.48 | Urban Shocker | 92 | BAL |
| +015+ | 2.46 | Red Faber | 102 | CHA |
| +023+ | 2.09 | Al Mamaux | 55 | LAN |
| +025+ | 1.98 | Dana Fillingim | 99 | ATL |
| +026+ | 1.95 | Wilbur Cooper | 110.3 | PIT |
| +030+ | 1.72 | Lee Meadows | 71 | PHI |
| +034+ | 1.58 | Dixie Davis | 63 | BAL |
| +036+ | 1.54 | Herb Pennock | 82.3 | BOS |
| +038+ | 1.47 | Rip Collins | 28.3 | NYA |
| +041+ | 1.44 | Allen Russell | 83.7 | BOS |
| XXXXX | 1.17 | George Smith | 77.3 | PHI |
| XXXXX | 1.14 | Eric Erickson | 80.7 | MIN |
| XXXXX | 1.08 | Jim Bagby | 109.3 | CLE |
| XXXXX | 1.03 | Sherry Smith | 49 | LAN |
| XXXXX | 1.02 | Elmer Ponder | 38 | PIT |
| XXXXX | 0.9 | Jack Scott | 70.7 | ATL |
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