| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 10.77 | 196405220_ANA_NYA |
| Don Drysdale | LAN | 7.26 | 196405220_PHI_LAN |
| Juan Pizarro | CHA | 4.57 | 196405220_TEX_CHA |
| Jim Maloney | CIN | 3.3 | 196405230_CHN_CIN |
| Bob Friend | PIT | 3.04 | 196405230_PIT_SFN |
| 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 |
| Jim Owens | HOU | -2.07 | 196405231_NYN_HOU |
| Jack Hamilton | DET | -1.54 | 196405210_DET_TEX |
Based on accumulated WAA for this season up to 1964-05-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.98 | Jack Kralick | 55 | CLE |
| +003+ | 2.88 | Juan Pizarro | 46.7 | CHA |
| +004+ | 2.65 | Chris Short | 32.7 | PHI |
| +006+ | 2.64 | Whitey Ford | 68 | NYA |
| +007+ | 2.59 | Don Drysdale | 77.7 | LAN |
| +014+ | 2.12 | Juan Marichal | 72.3 | SFN |
| +015+ | 2.11 | Bob Gibson | 58 | SLN |
| +017+ | 2.09 | Jim Bunning | 52.7 | PHI |
| +016+ | 2.09 | Turk Farrell | 58.3 | HOU |
| +020+ | 2.03 | Dave Wickersham | 58 | DET |
| +019+ | 2.03 | Curt Simmons | 64.3 | SLN |
| +022+ | 2.01 | Phil Ortega | 58.3 | LAN |
| +021+ | 2.01 | Dennis Bennett | 71 | PHI |
| +024+ | 1.98 | Robin Roberts | 58 | BAL |
| +026+ | 1.9 | Jim Maloney | 57 | CIN |
| +033+ | 1.64 | Ken Johnson | 67.7 | HOU |
| +037+ | 1.45 | Bob Lee | 40.7 | ANA |
| +036+ | 1.45 | Al Jackson | 63.3 | NYN |
| +040+ | 1.41 | Wally Bunker | 34 | BAL |
| +044+ | 1.39 | John Buzhardt | 39.3 | CHA |
| XXXXX | 1.18 | Tony Cloninger | 46.3 | ATL |
| XXXXX | 1.15 | Bob Bruce | 37.7 | HOU |
| XXXXX | 1.09 | Milt Pappas | 45 | BAL |
| XXXXX | 1.06 | Sandy Koufax | 54.7 | LAN |
| XXXXX | 0.99 | Roger Craig | 50 | SLN |
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