| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Friend | PIT | 5.7 | 196404240_NYN_PIT |
| Warren Spahn | ATL | 4.23 | 196404250_LAN_ATL |
| Don Drysdale | LAN | 4.13 | 196404230_LAN_SLN |
| Juan Marichal | SFN | 4.03 | 196404240_SFN_CIN |
| Camilo Pascual | MIN | 2.53 | 196404250_DET_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Barry Latman | ANA | -3.9 | 196404240_CLE_ANA |
| Jack Fisher | NYN | -3.87 | 196404250_NYN_PIT |
| Roger Craig | SLN | -2.38 | 196404250_HOU_SLN |
| Hank Fischer | ATL | -1.53 | 196404240_LAN_ATL |
| Joe Moeller | LAN | -1.42 | 196404240_LAN_ATL |
Based on accumulated WAA for this season up to 1964-04-25.
| Rank | WAA | Name | IP | Tm |
|---|
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