| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 12.06 | 196406070_NYA_ANA |
| Don Drysdale | LAN | 8.17 | 196406071_LAN_NYN |
| Jack Kralick | CLE | 2.41 | 196406060_TEX_CLE |
| Jim Maloney | CIN | 2.37 | 196406080_CIN_LAN |
| Curt Simmons | SLN | 2.04 | 196406070_SLN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Moe Drabowsky | OAK | -2.97 | 196406080_OAK_TEX |
| Jack Fisher | NYN | -2.23 | 196406060_LAN_NYN |
| Bennie Daniels | TEX | -2.07 | 196406060_TEX_CLE |
| Barry Latman | ANA | -1.51 | 196406080_ANA_CLE |
| Phil Regan | DET | -1.29 | 196406071_DET_CHA |
Based on accumulated WAA for this season up to 1964-06-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.22 | Whitey Ford | 101.3 | NYA |
| +003+ | 3.65 | Robin Roberts | 84 | BAL |
| +005+ | 3.56 | Don Drysdale | 113.3 | LAN |
| +006+ | 3.24 | Jim Bunning | 85.7 | PHI |
| +008+ | 3.14 | Bob Gibson | 83 | SLN |
| +010+ | 2.94 | Juan Pizarro | 63.3 | CHA |
| +011+ | 2.9 | Dean Chance | 65 | ANA |
| +012+ | 2.88 | Chris Short | 49 | PHI |
| +019+ | 2.6 | Jack Kralick | 77.3 | CLE |
| +022+ | 2.52 | Sandy Koufax | 89.7 | LAN |
| +023+ | 2.5 | Juan Marichal | 96.3 | SFN |
| +027+ | 2.22 | Jim Maloney | 82 | CIN |
| +028+ | 2.2 | Turk Farrell | 72.7 | HOU |
| +029+ | 2.19 | Hank Fischer | 74.3 | ATL |
| +033+ | 2.08 | Galen Cisco | 60.3 | NYN |
| +035+ | 2.05 | Dennis Bennett | 89 | PHI |
| +039+ | 1.93 | Roger Craig | 64 | SLN |
| +041+ | 1.9 | Bob Lee | 53 | ANA |
| +042+ | 1.78 | John Buzhardt | 59.7 | CHA |
| +048+ | 1.63 | Phil Ortega | 70.7 | LAN |
| +049+ | 1.55 | Ken Johnson | 84.7 | HOU |
| +061+ | 1.29 | Bob Bruce | 57 | HOU |
| +060+ | 1.29 | Jim Bouton | 80.7 | NYA |
| +063+ | 1.26 | Ron Herbel | 44.3 | SFN |
| XXXXX | 1.23 | Dick Ellsworth | 91.7 | CHN |
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