| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 14.13 | 196408041_LAN_PIT |
| Dean Chance | ANA | 8.12 | 196408050_BAL_ANA |
| Whitey Ford | NYA | 7.03 | 196408040_NYA_OAK |
| Juan Pizarro | CHA | 5.16 | 196408050_DET_CHA |
| Chris Short | PHI | 4.41 | 196408060_HOU_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Alan Koch | TEX | -2.1 | 196408050_TEX_CLE |
| Tracy Stallard | NYN | -1.81 | 196408040_SFN_NYN |
| Lee Stange | CLE | -1.56 | 196408050_TEX_CLE |
| Mudcat Grant | MIN | -1.36 | 196408040_BOS_MIN |
| Earl Wilson | BOS | -1.29 | 196408050_BOS_MIN |
Based on accumulated WAA for this season up to 1964-08-06.
| 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+ | 5.54 | Jim Bunning | 176.3 | PHI |
| +009+ | 5.32 | Whitey Ford | 173 | NYA |
| +016+ | 5.01 | Chris Short | 125.7 | PHI |
| +021+ | 4.46 | Juan Marichal | 193.7 | SFN |
| +025+ | 4.25 | Gary Peters | 178.7 | CHA |
| +029+ | 3.83 | Joe Horlen | 116 | CHA |
| +030+ | 3.81 | Jim Bouton | 180.3 | NYA |
| +032+ | 3.68 | Jim O'Toole | 138 | CIN |
| +035+ | 3.48 | Bob Bruce | 142.3 | HOU |
| +040+ | 3.31 | Ron Herbel | 129 | SFN |
| +043+ | 3.02 | Wally Bunker | 133.7 | BAL |
| +046+ | 2.95 | Dick Ellsworth | 187 | CHN |
| +047+ | 2.91 | Fred Newman | 120 | ANA |
| +049+ | 2.83 | Jack Kralick | 141.7 | CLE |
| +052+ | 2.76 | Bob Veale | 177 | PIT |
| +059+ | 2.52 | Gaylord Perry | 106.7 | SFN |
| +060+ | 2.49 | Bobby Bolin | 114 | SFN |
| +073+ | 2.2 | Bo Belinsky | 126.7 | ANA |
| +075+ | 2.06 | Don Lee | 77.3 | ANA |
| +080+ | 1.98 | Bob Miller | 95 | LAN |
| +081+ | 1.97 | John Buzhardt | 116.3 | CHA |
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