| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 12.41 | 196407140_LAN_SLN |
| Whitey Ford | NYA | 9.14 | 196407150_BAL_NYA |
| Juan Marichal | SFN | 6.29 | 196407140_SFN_ATL |
| Dean Chance | ANA | 4.84 | 196407152_DET_ANA |
| Juan Pizarro | CHA | 4.55 | 196407140_CHA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mudcat Grant | MIN | -2.29 | 196407150_TEX_MIN |
| Phil Regan | DET | -2.27 | 196407152_DET_ANA |
| Tracy Stallard | NYN | -2.17 | 196407160_NYN_CHN |
| Ted Bowsfield | OAK | -1.74 | 196407152_CLE_OAK |
| Lee Stange | CLE | -1.72 | 196407152_CLE_OAK |
Based on accumulated WAA for this season up to 1964-07-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.66 | Sandy Koufax | 153.7 | LAN |
| +004+ | 5.19 | Dean Chance | 129.3 | ANA |
| +005+ | 5.11 | Whitey Ford | 159 | NYA |
| +007+ | 5.05 | Jim Bunning | 150.7 | PHI |
| +009+ | 4.68 | Don Drysdale | 175 | LAN |
| +012+ | 4.08 | Juan Pizarro | 131.7 | CHA |
| +015+ | 3.88 | Chris Short | 95 | PHI |
| +021+ | 3.58 | Juan Marichal | 165.7 | SFN |
| +026+ | 3.31 | Joe Horlen | 93 | CHA |
| +031+ | 3.02 | Gary Peters | 134 | CHA |
| +032+ | 2.96 | Jack Kralick | 130.7 | CLE |
| +033+ | 2.95 | Bob Gibson | 139.3 | SLN |
| +035+ | 2.9 | Ron Herbel | 101.3 | SFN |
| +042+ | 2.66 | Roger Craig | 106.7 | SLN |
| +045+ | 2.52 | Jim Maloney | 132 | CIN |
| +048+ | 2.35 | Gaylord Perry | 82 | SFN |
| +057+ | 2.13 | Dick Ellsworth | 158.7 | CHN |
| +060+ | 2.09 | Robin Roberts | 121 | BAL |
| +064+ | 2.05 | Jim O'Toole | 109 | CIN |
| +065+ | 2.02 | Bobby Bolin | 90.7 | SFN |
| +066+ | 2.01 | Dave Wickersham | 148.3 | DET |
| +067+ | 1.97 | Bob Bruce | 101.7 | HOU |
| +074+ | 1.85 | Hank Fischer | 104.7 | ATL |
| +075+ | 1.83 | Bo Belinsky | 99.3 | ANA |
| +079+ | 1.7 | John Buzhardt | 96.3 | CHA |
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