| Starter | Tm | Tier | Game |
|---|---|---|---|
| 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 |
| Jim Bunning | PHI | 4.52 | 196407230_PHI_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Moe Drabowsky | OAK | -3.66 | 196407250_ANA_OAK |
| Dave Morehead | BOS | -2.91 | 196407230_DET_BOS |
| Tracy Stallard | NYN | -2.4 | 196407250_ATL_NYN |
| Bennie Daniels | TEX | -1.84 | 196407250_TEX_BAL |
| Mudcat Grant | MIN | -1.51 | 196407240_MIN_CHA |
Based on accumulated WAA for this season up to 1964-07-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.08 | Sandy Koufax | 171.7 | LAN |
| +003+ | 6.38 | Dean Chance | 145.3 | ANA |
| +004+ | 5.93 | Don Drysdale | 193.3 | LAN |
| +009+ | 4.72 | Whitey Ford | 166 | NYA |
| +011+ | 4.62 | Jim Bunning | 159 | PHI |
| +013+ | 4.52 | Chris Short | 111.3 | PHI |
| +014+ | 4.46 | Juan Pizarro | 146.7 | CHA |
| +017+ | 4.4 | Juan Marichal | 183.7 | SFN |
| +027+ | 3.65 | Joe Horlen | 100 | CHA |
| +029+ | 3.49 | Robin Roberts | 139 | BAL |
| +030+ | 3.47 | Dick Ellsworth | 174.7 | CHN |
| +031+ | 3.45 | Gary Peters | 149.7 | CHA |
| +035+ | 3.08 | Jim O'Toole | 123 | CIN |
| +036+ | 3.05 | Bob Bruce | 125.3 | HOU |
| +038+ | 2.97 | Jack Kralick | 132.3 | CLE |
| +044+ | 2.8 | Ron Herbel | 111.7 | SFN |
| +048+ | 2.68 | Gaylord Perry | 90 | SFN |
| +052+ | 2.47 | Fred Newman | 104 | ANA |
| +053+ | 2.46 | Bo Belinsky | 116.3 | ANA |
| +055+ | 2.39 | Bob Veale | 154.3 | PIT |
| +057+ | 2.36 | Bobby Bolin | 101.3 | SFN |
| +059+ | 2.33 | Jim Bouton | 162.3 | NYA |
| +064+ | 2.18 | Hank Fischer | 117.7 | ATL |
| +067+ | 2.14 | Turk Farrell | 146.3 | HOU |
| +069+ | 2.09 | Wally Bunker | 117.3 | BAL |
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