| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 10.77 | 196405220_ANA_NYA |
| Juan Marichal | SFN | 7.81 | 196405200_PHI_SFN |
| Don Drysdale | LAN | 7.26 | 196405220_PHI_LAN |
| Juan Pizarro | CHA | 4.57 | 196405220_TEX_CHA |
| Turk Farrell | HOU | 2.78 | 196405210_PIT_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Fisher | NYN | -3.12 | 196405210_NYN_LAN |
| Bennie Daniels | TEX | -2.5 | 196405210_DET_TEX |
| Ray Sadecki | SLN | -2.36 | 196405210_CHN_SLN |
| Art Mahaffey | PHI | -1.73 | 196405200_PHI_SFN |
| Jack Hamilton | DET | -1.54 | 196405210_DET_TEX |
Based on accumulated WAA for this season up to 1964-05-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.95 | Jack Kralick | 55 | CLE |
| +003+ | 2.84 | Juan Pizarro | 46.7 | CHA |
| +005+ | 2.68 | Chris Short | 32.7 | PHI |
| +007+ | 2.65 | Don Drysdale | 77.7 | LAN |
| +008+ | 2.59 | Whitey Ford | 68 | NYA |
| +011+ | 2.44 | Jim Maloney | 54 | CIN |
| +014+ | 2.14 | Jim Bunning | 52.7 | PHI |
| +016+ | 2.07 | Juan Marichal | 72.3 | SFN |
| +017+ | 2.06 | Bob Gibson | 58 | SLN |
| +018+ | 2.05 | Turk Farrell | 58.3 | HOU |
| +021+ | 1.97 | Curt Simmons | 64.3 | SLN |
| +020+ | 1.97 | Dave Wickersham | 58 | DET |
| +022+ | 1.94 | Robin Roberts | 58 | BAL |
| +024+ | 1.92 | Phil Ortega | 52 | LAN |
| +029+ | 1.65 | Roger Craig | 46 | SLN |
| +039+ | 1.39 | Wally Bunker | 34 | BAL |
| +040+ | 1.39 | Al Jackson | 63.3 | NYN |
| +042+ | 1.35 | Dennis Bennett | 58 | PHI |
| XXXXX | 1.24 | Bobby Bolin | 32.3 | SFN |
| XXXXX | 1.15 | Tony Cloninger | 46.3 | ATL |
| XXXXX | 1.12 | Bob Bruce | 37.7 | HOU |
| XXXXX | 1.1 | Sandy Koufax | 54.7 | LAN |
| XXXXX | 1.08 | Galen Cisco | 31.3 | NYN |
| XXXXX | 1.08 | Bob Lee | 36.7 | ANA |
| XXXXX | 1.06 | Milt Pappas | 45 | BAL |
_