| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Drysdale | LAN | 8.66 | 196408050_LAN_PIT |
| Dean Chance | ANA | 8.12 | 196408050_BAL_ANA |
| Juan Pizarro | CHA | 5.16 | 196408050_DET_CHA |
| Chris Short | PHI | 4.41 | 196408060_HOU_PHI |
| Jim Bouton | NYA | 3.43 | 196408070_BAL_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Phil Regan | DET | -2.37 | 196408070_OAK_DET |
| Alan Koch | TEX | -2.1 | 196408050_TEX_CLE |
| Jack Fisher | NYN | -1.65 | 196408050_SFN_NYN |
| Lee Stange | CLE | -1.56 | 196408050_TEX_CLE |
| Earl Wilson | BOS | -1.29 | 196408050_BOS_MIN |
Based on accumulated WAA for this season up to 1964-08-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.02 | Sandy Koufax | 196 | LAN |
| +002+ | 7.83 | Dean Chance | 171.3 | ANA |
| +006+ | 5.8 | Don Drysdale | 212.3 | LAN |
| +007+ | 5.72 | Juan Pizarro | 168.7 | CHA |
| +008+ | 5.53 | Jim Bunning | 176.3 | PHI |
| +009+ | 5.32 | Whitey Ford | 173 | NYA |
| +015+ | 5.01 | Chris Short | 125.7 | PHI |
| +021+ | 4.48 | Juan Marichal | 193.7 | SFN |
| +024+ | 4.25 | Gary Peters | 178.7 | CHA |
| +026+ | 4.16 | Jim Bouton | 187.3 | NYA |
| +031+ | 3.83 | Joe Horlen | 116 | CHA |
| +035+ | 3.68 | Jim O'Toole | 138 | CIN |
| +037+ | 3.49 | Bob Bruce | 142.3 | HOU |
| +040+ | 3.32 | Ron Herbel | 129 | SFN |
| +042+ | 3.02 | Wally Bunker | 133.7 | BAL |
| +046+ | 2.94 | Dick Ellsworth | 187 | CHN |
| +048+ | 2.89 | Fred Newman | 127.3 | ANA |
| +051+ | 2.83 | Jack Kralick | 141.7 | CLE |
| +054+ | 2.75 | Bob Veale | 177 | PIT |
| +059+ | 2.53 | Gaylord Perry | 106.7 | SFN |
| +060+ | 2.5 | Bobby Bolin | 114 | SFN |
| +073+ | 2.2 | Bo Belinsky | 126.7 | ANA |
| +077+ | 2.06 | Jim Maloney | 158.7 | CIN |
| +076+ | 2.06 | Don Lee | 77.3 | ANA |
| +080+ | 2 | Bob Miller | 95.3 | LAN |
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