| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 14.21 | 196407300_LAN_NYN |
| Juan Marichal | SFN | 5.21 | 196407290_SFN_PHI |
| Juan Pizarro | CHA | 4.16 | 196407310_CHA_TEX |
| Chris Short | PHI | 3.88 | 196407310_LAN_PHI |
| Bob Veale | PIT | 2.5 | 196407310_SFN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Lary | NYN | -2.36 | 196407311_HOU_NYN |
| Ray Sadecki | SLN | -1.54 | 196407300_SLN_CHN |
| Bennie Daniels | TEX | -1.51 | 196407310_CHA_TEX |
| Mudcat Grant | MIN | -1.3 | 196407290_BAL_MIN |
| Bill Monbouquette | BOS | -0.93 | 196407310_BOS_ANA |
Based on accumulated WAA for this season up to 1964-07-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.6 | Sandy Koufax | 187.7 | LAN |
| +003+ | 6.88 | Dean Chance | 156.3 | ANA |
| +004+ | 6.71 | Don Drysdale | 202.3 | LAN |
| +008+ | 5.3 | Jim Bunning | 167.3 | PHI |
| +009+ | 5.21 | Juan Pizarro | 155.7 | CHA |
| +012+ | 4.91 | Chris Short | 118.7 | PHI |
| +015+ | 4.79 | Whitey Ford | 166 | NYA |
| +017+ | 4.62 | Juan Marichal | 193.7 | SFN |
| +018+ | 4.51 | Gary Peters | 169.7 | CHA |
| +031+ | 3.59 | Bob Bruce | 133.3 | HOU |
| +032+ | 3.4 | Jim O'Toole | 129 | CIN |
| +033+ | 3.34 | Joe Horlen | 106.3 | CHA |
| +038+ | 3.15 | Dick Ellsworth | 181 | CHN |
| +040+ | 3.12 | Jim Bouton | 171.3 | NYA |
| +041+ | 3.06 | Ron Herbel | 114.7 | SFN |
| +046+ | 2.9 | Bob Veale | 170 | PIT |
| +048+ | 2.81 | Robin Roberts | 143 | BAL |
| +051+ | 2.67 | Wally Bunker | 126.3 | BAL |
| +052+ | 2.55 | Jack Kralick | 134.7 | CLE |
| +056+ | 2.5 | John Buzhardt | 111.3 | CHA |
| +058+ | 2.46 | Bo Belinsky | 121.3 | ANA |
| +060+ | 2.43 | Fred Newman | 111 | ANA |
| +062+ | 2.4 | Bobby Bolin | 106.7 | SFN |
| +065+ | 2.36 | Hank Fischer | 124.7 | ATL |
| +070+ | 2.25 | Jim Maloney | 150 | CIN |
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