| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 5.24 | 192104240_CHN_SLN |
| Jesse Barnes | SFN | 4.64 | 192104220_PHI_SFN |
| Babe Adams | PIT | 3.83 | 192104240_PIT_CIN |
| Stan Coveleski | CLE | 3.47 | 192104230_BAL_CLE |
| Dolf Luque | CIN | 1.83 | 192104220_CIN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Causey | PHI | -3.91 | 192104220_PHI_SFN |
| George Uhle | CLE | -1.81 | 192104240_BAL_CLE |
| Ferdie Schupp | SLN | -1.3 | 192104240_CHN_SLN |
| Jimmy Zinn | PIT | -1.2 | 192104220_CIN_PIT |
| Hooks Dauss | DET | -1.17 | 192104240_DET_CHA |
Based on accumulated WAA for this season up to 1921-04-24.
| Rank | WAA | Name | IP | Tm |
|---|
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