| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 7.15 | 196404260_BAL_NYA |
| Warren Spahn | ATL | 4.23 | 196404250_LAN_ATL |
| Don Drysdale | LAN | 3.67 | 196404270_LAN_HOU |
| Camilo Pascual | MIN | 2.53 | 196404250_DET_MIN |
| Turk Farrell | HOU | 2.25 | 196404250_HOU_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jay Hook | NYN | -4.3 | 196404261_NYN_PIT |
| Jim Owens | HOU | -4.02 | 196404260_HOU_SLN |
| Bennie Daniels | TEX | -3.66 | 196404260_TEX_OAK |
| Roger Craig | SLN | -2.38 | 196404250_HOU_SLN |
| Phil Ortega | LAN | -1.45 | 196404260_LAN_ATL |
Based on accumulated WAA for this season up to 1964-04-27.
| Rank | WAA | Name | IP | Tm |
|---|
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