| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 5.94 | 195804190_ATL_PHI |
| Frank Sullivan | BOS | 2.88 | 195804200_BOS_MIN |
| Jim Bunning | DET | 1.92 | 195804200_CLE_DET |
| Don Drysdale | LAN | 1.51 | 195804200_SFN_LAN |
| Bob Friend | PIT | 1.41 | 195804200_CIN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pedro Ramos | MIN | -5.11 | 195804190_BOS_MIN |
| Robin Roberts | PHI | -3.69 | 195804200_ATL_PHI |
| Joe Nuxhall | CIN | -1.64 | 195804200_CIN_PIT |
| Ramon Monzant | SFN | -0.95 | 195804200_SFN_LAN |
| Herm Wehmeier | SLN | -0.74 | 195804200_SLN_CHN |
Based on accumulated WAA for this season up to 1958-04-21.
| Rank | WAA | Name | IP | Tm |
|---|
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