| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 12.97 | 196407260_SFN_LAN |
| Dean Chance | ANA | 6.36 | 196407280_NYA_ANA |
| Gary Peters | CHA | 3.16 | 196407261_MIN_CHA |
| Jim Bunning | PHI | 3.13 | 196407280_SFN_PHI |
| Robin Roberts | BAL | 2.92 | 196407280_BAL_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Morehead | BOS | -2.29 | 196407280_BOS_OAK |
| Ray Sadecki | SLN | -2.28 | 196407262_SLN_PHI |
| Orlando Pena | OAK | -1.99 | 196407280_BOS_OAK |
| Frank Lary | NYN | -1.51 | 196407262_ATL_NYN |
| Lee Stange | CLE | -1.37 | 196407261_BOS_CLE |
Based on accumulated WAA for this season up to 1964-07-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.62 | Sandy Koufax | 180.7 | LAN |
| +002+ | 6.88 | Dean Chance | 156.3 | ANA |
| +003+ | 6.69 | Don Drysdale | 202.3 | LAN |
| +008+ | 5.34 | Jim Bunning | 167.3 | PHI |
| +011+ | 4.77 | Whitey Ford | 166 | NYA |
| +015+ | 4.52 | Chris Short | 111.3 | PHI |
| +016+ | 4.44 | Juan Pizarro | 146.7 | CHA |
| +017+ | 4.43 | Juan Marichal | 183.7 | SFN |
| +028+ | 3.73 | Gary Peters | 160.7 | CHA |
| +030+ | 3.45 | Dick Ellsworth | 174.7 | CHN |
| +031+ | 3.39 | Jim O'Toole | 129 | CIN |
| +033+ | 3.33 | Joe Horlen | 106.3 | CHA |
| +037+ | 3.07 | Ron Herbel | 114.7 | SFN |
| +038+ | 3.06 | Bob Bruce | 125.3 | HOU |
| +041+ | 2.99 | Jack Kralick | 132.3 | CLE |
| +043+ | 2.97 | Bob Veale | 163.3 | PIT |
| +049+ | 2.8 | Robin Roberts | 143 | BAL |
| +051+ | 2.77 | Gaylord Perry | 91 | SFN |
| +052+ | 2.63 | Bobby Bolin | 104.3 | SFN |
| +055+ | 2.5 | John Buzhardt | 111.3 | CHA |
| +057+ | 2.46 | Bo Belinsky | 116.3 | ANA |
| +058+ | 2.43 | Fred Newman | 111 | ANA |
| +060+ | 2.38 | Jim Bouton | 162.3 | NYA |
| +063+ | 2.37 | Hank Fischer | 124.7 | ATL |
| +069+ | 2.24 | Jim Maloney | 150 | CIN |
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