| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 5.94 | 195804190_ATL_PHI |
| Whitey Ford | NYA | 2.96 | 195804180_BAL_NYA |
| Frank Sullivan | BOS | 2.88 | 195804200_BOS_MIN |
| Jim Bunning | DET | 1.92 | 195804200_CLE_DET |
| Don Drysdale | LAN | 1.51 | 195804200_SFN_LAN |
| 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 |
| Alex Kellner | OAK | -1.04 | 195804180_CHA_OAK |
| Ramon Monzant | SFN | -0.95 | 195804200_SFN_LAN |
Based on accumulated WAA for this season up to 1958-04-20.
| Rank | WAA | Name | IP | Tm |
|---|
_