| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 11.72 | 196406122_CHA_NYA |
| Don Drysdale | LAN | 9.09 | 196406110_SLN_LAN |
| Robin Roberts | BAL | 5.08 | 196406100_BAL_CHA |
| Bob Gibson | SLN | 3.77 | 196406101_SLN_SFN |
| Dean Chance | ANA | 3.13 | 196406110_ANA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Glen Hobbie | SLN | -3.53 | 196406102_SLN_SFN |
| Jack Fisher | NYN | -3.06 | 196406100_CHN_NYN |
| Bennie Daniels | TEX | -2.48 | 196406100_OAK_TEX |
| Ted Bowsfield | OAK | -2.04 | 196406100_OAK_TEX |
| Bill Spanswick | BOS | -0.76 | 196406102_NYA_BOS |
Based on accumulated WAA for this season up to 1964-06-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.95 | Whitey Ford | 110.3 | NYA |
| +003+ | 4.21 | Don Drysdale | 122.3 | LAN |
| +004+ | 3.94 | Robin Roberts | 90 | BAL |
| +006+ | 3.39 | Chris Short | 58 | PHI |
| +010+ | 3.18 | Sandy Koufax | 98.7 | LAN |
| +008+ | 3.18 | Jim Bunning | 85.7 | PHI |
| +009+ | 3.18 | Bob Gibson | 91 | SLN |
| +013+ | 3 | Juan Marichal | 105.3 | SFN |
| +015+ | 2.91 | Juan Pizarro | 70.7 | CHA |
| +021+ | 2.63 | Dean Chance | 73 | ANA |
| +025+ | 2.44 | Jack Kralick | 84.3 | CLE |
| +032+ | 2.16 | Jim Maloney | 82 | CIN |
| +036+ | 1.99 | Turk Farrell | 80.7 | HOU |
| +042+ | 1.79 | Roger Craig | 65 | SLN |
| +044+ | 1.76 | Hank Fischer | 77 | ATL |
| +046+ | 1.72 | John Buzhardt | 61.7 | CHA |
| +056+ | 1.48 | Ken Johnson | 92 | HOU |
| +057+ | 1.47 | Ron Herbel | 52.3 | SFN |
| +058+ | 1.46 | Galen Cisco | 66.3 | NYN |
| +061+ | 1.37 | Steve Blass | 40.7 | PIT |
| +063+ | 1.35 | Dennis Bennett | 91.3 | PHI |
| +062+ | 1.35 | Steve Hamilton | 29.7 | NYA |
| +064+ | 1.33 | Sam McDowell | 29.3 | CLE |
| +068+ | 1.25 | Joe Moeller | 63.7 | LAN |
| XXXXX | 1.17 | Jim Bouton | 89.7 | NYA |
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