| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 11.5 | 196407220_HOU_LAN |
| Whitey Ford | NYA | 8.76 | 196407242_NYA_DET |
| Dean Chance | ANA | 6.35 | 196407230_ANA_CHA |
| Juan Pizarro | CHA | 5.19 | 196407240_MIN_CHA |
| Juan Marichal | SFN | 4.84 | 196407240_SFN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Morehead | BOS | -2.91 | 196407230_DET_BOS |
| Mudcat Grant | MIN | -1.51 | 196407240_MIN_CHA |
| Al Jackson | NYN | -1.35 | 196407220_NYN_CIN |
| Buster Narum | TEX | -0.96 | 196407241_TEX_BAL |
| John O'Donoghue | OAK | -0.96 | 196407240_ANA_OAK |
Based on accumulated WAA for this season up to 1964-07-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7 | Sandy Koufax | 171.7 | LAN |
| +003+ | 6.31 | Dean Chance | 145.3 | ANA |
| +004+ | 5.84 | Don Drysdale | 193.3 | LAN |
| +010+ | 4.64 | Whitey Ford | 166 | NYA |
| +012+ | 4.55 | Jim Bunning | 159 | PHI |
| +013+ | 4.47 | Chris Short | 111.3 | PHI |
| +014+ | 4.45 | Juan Pizarro | 146.7 | CHA |
| +017+ | 4.3 | Juan Marichal | 183.7 | SFN |
| +028+ | 3.65 | Joe Horlen | 100 | CHA |
| +029+ | 3.45 | Gary Peters | 149.7 | CHA |
| +030+ | 3.43 | Robin Roberts | 139 | BAL |
| +031+ | 3.38 | Dick Ellsworth | 174.7 | CHN |
| +036+ | 3.03 | Bob Bruce | 118.3 | HOU |
| +038+ | 3.02 | Jim O'Toole | 123 | CIN |
| +039+ | 2.98 | Jack Kralick | 130.7 | CLE |
| +045+ | 2.74 | Ron Herbel | 111.7 | SFN |
| +048+ | 2.63 | Gaylord Perry | 90 | SFN |
| +053+ | 2.43 | Fred Newman | 104 | ANA |
| +056+ | 2.32 | Bob Veale | 154.3 | PIT |
| +063+ | 2.12 | Hank Fischer | 117.7 | ATL |
| +064+ | 2.09 | Bobby Bolin | 98.7 | SFN |
| +067+ | 2.08 | Turk Farrell | 146.3 | HOU |
| +068+ | 2.07 | Bo Belinsky | 107.3 | ANA |
| +069+ | 2.04 | Wally Bunker | 117.3 | BAL |
| +076+ | 1.95 | Jim Bouton | 153.3 | NYA |
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