| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Drysdale | LAN | 11.46 | 196407130_LAN_CHN |
| Chris Short | PHI | 4.65 | 196407121_ATL_PHI |
| Gary Peters | CHA | 4.2 | 196407131_CHA_OAK |
| Dean Chance | ANA | 3.43 | 196407110_CHA_ANA |
| Robin Roberts | BAL | 1.86 | 196407121_BAL_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Moe Drabowsky | OAK | -3.64 | 196407122_CHA_OAK |
| Frank Lary | NYN | -2.15 | 196407122_CIN_NYN |
| Bill Monbouquette | BOS | -2.09 | 196407130_BOS_TEX |
| Bennie Daniels | TEX | -1.22 | 196407121_BOS_TEX |
| Ray Sadecki | SLN | -1.18 | 196407110_SLN_NYN |
Based on accumulated WAA for this season up to 1964-07-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.82 | Sandy Koufax | 146 | LAN |
| +006+ | 4.81 | Jim Bunning | 143.7 | PHI |
| +007+ | 4.62 | Don Drysdale | 175 | LAN |
| +009+ | 4.4 | Dean Chance | 120.3 | ANA |
| +010+ | 4.33 | Whitey Ford | 150 | NYA |
| +011+ | 4.1 | Juan Marichal | 160.3 | SFN |
| +014+ | 3.84 | Chris Short | 95 | PHI |
| +015+ | 3.78 | Juan Pizarro | 123.7 | CHA |
| +018+ | 3.59 | Bob Gibson | 132.3 | SLN |
| +025+ | 3.28 | Joe Horlen | 93 | CHA |
| +028+ | 3.21 | Jack Kralick | 126.7 | CLE |
| +033+ | 2.98 | Gary Peters | 134 | CHA |
| +038+ | 2.84 | Ron Herbel | 101.3 | SFN |
| +040+ | 2.64 | Roger Craig | 106.7 | SLN |
| +046+ | 2.38 | Jim Maloney | 123 | CIN |
| +047+ | 2.36 | Gaylord Perry | 75 | SFN |
| +056+ | 2.11 | Joe Sparma | 32.7 | DET |
| +058+ | 2.08 | Joe Gibbon | 78.7 | PIT |
| +059+ | 2.07 | Bobby Bolin | 84.3 | SFN |
| +061+ | 2.03 | Robin Roberts | 121 | BAL |
| +062+ | 2.02 | Bo Belinsky | 94.3 | ANA |
| +067+ | 1.94 | Dave Wickersham | 148.3 | DET |
| +068+ | 1.93 | Bob Bruce | 101.7 | HOU |
| +073+ | 1.8 | Fred Talbot | 41 | CHA |
| +082+ | 1.66 | Fred Newman | 90 | ANA |
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