| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 11.72 | 196406122_CHA_NYA |
| Don Drysdale | LAN | 9.09 | 196406110_SLN_LAN |
| Juan Marichal | SFN | 6 | 196406130_ATL_SFN |
| Dean Chance | ANA | 3.13 | 196406110_ANA_CLE |
| Jim Maloney | CIN | 2.37 | 196406130_CIN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -1.5 | 196406130_SLN_LAN |
| Tracy Stallard | NYN | -1.28 | 196406120_NYN_PHI |
| Earl Wilson | BOS | -0.76 | 196406130_BAL_BOS |
| Sam McDowell | CLE | -0.71 | 196406120_OAK_CLE |
| Diego Segui | OAK | -0.42 | 196406120_OAK_CLE |
Based on accumulated WAA for this season up to 1964-06-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.99 | Whitey Ford | 110.3 | NYA |
| +003+ | 4.26 | Don Drysdale | 122.3 | LAN |
| +004+ | 3.99 | Robin Roberts | 90 | BAL |
| +005+ | 3.55 | Jim Bunning | 94.7 | PHI |
| +007+ | 3.41 | Chris Short | 58 | PHI |
| +008+ | 3.22 | Bob Gibson | 91 | SLN |
| +009+ | 3.22 | Sandy Koufax | 98.7 | LAN |
| +013+ | 2.94 | Juan Pizarro | 70.7 | CHA |
| +018+ | 2.73 | Jim Maloney | 91 | CIN |
| +020+ | 2.68 | Juan Marichal | 111.3 | SFN |
| +021+ | 2.66 | Dean Chance | 73 | ANA |
| +026+ | 2.47 | Jack Kralick | 84.3 | CLE |
| +037+ | 2.02 | Turk Farrell | 80.7 | HOU |
| +042+ | 1.9 | Hank Fischer | 83 | ATL |
| +044+ | 1.82 | Roger Craig | 65 | SLN |
| +045+ | 1.75 | John Buzhardt | 61.7 | CHA |
| +056+ | 1.51 | Ken Johnson | 92 | HOU |
| +057+ | 1.5 | Galen Cisco | 66.3 | NYN |
| +058+ | 1.49 | Ron Herbel | 52.3 | SFN |
| +059+ | 1.45 | Claude Osteen | 98.7 | TEX |
| +063+ | 1.38 | Dennis Bennett | 91.3 | PHI |
| +062+ | 1.38 | Steve Blass | 40.7 | PIT |
| +066+ | 1.36 | Steve Hamilton | 29.7 | NYA |
| +067+ | 1.34 | Sam McDowell | 29.3 | CLE |
| +070+ | 1.28 | Joe Moeller | 69 | LAN |
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