| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dean Chance | ANA | 8.83 | 196408090_TEX_ANA |
| Don Drysdale | LAN | 8.16 | 196408090_LAN_ATL |
| Juan Pizarro | CHA | 5.54 | 196408112_CHA_NYA |
| Jim Bunning | PHI | 4.47 | 196408090_NYN_PHI |
| Jim Bouton | NYA | 3.63 | 196408112_CHA_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Moe Drabowsky | OAK | -4.86 | 196408092_OAK_DET |
| Warren Spahn | ATL | -2.06 | 196408110_HOU_ATL |
| Bill Monbouquette | BOS | -1.59 | 196408091_BOS_CHA |
| Jack Fisher | NYN | -1.3 | 196408110_NYN_PIT |
| Lee Stange | CLE | -1.18 | 196408092_MIN_CLE |
Based on accumulated WAA for this season up to 1964-08-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.18 | Sandy Koufax | 205 | LAN |
| +002+ | 7.66 | Dean Chance | 179.3 | ANA |
| +005+ | 6.29 | Jim Bunning | 185.3 | PHI |
| +007+ | 6.06 | Juan Pizarro | 177.7 | CHA |
| +008+ | 5.8 | Don Drysdale | 219.3 | LAN |
| +009+ | 5.49 | Whitey Ford | 175 | NYA |
| +019+ | 5 | Chris Short | 125.7 | PHI |
| +020+ | 4.79 | Gary Peters | 187.7 | CHA |
| +022+ | 4.5 | Juan Marichal | 193.7 | SFN |
| +034+ | 3.67 | Jim O'Toole | 138 | CIN |
| +035+ | 3.65 | Joe Horlen | 121.3 | CHA |
| +037+ | 3.46 | Ron Herbel | 133 | SFN |
| +038+ | 3.34 | Bob Bruce | 145.3 | HOU |
| +039+ | 3.29 | Gaylord Perry | 115.7 | SFN |
| +041+ | 3.19 | Jim Bouton | 193.3 | NYA |
| +044+ | 3.11 | Bob Veale | 186 | PIT |
| +049+ | 2.89 | Fred Newman | 127.3 | ANA |
| +052+ | 2.84 | Jack Kralick | 141.7 | CLE |
| +063+ | 2.52 | Wally Bunker | 137.7 | BAL |
| +069+ | 2.33 | Bo Belinsky | 135.7 | ANA |
| +077+ | 2.06 | Don Lee | 77.3 | ANA |
| +078+ | 2.05 | Jim Maloney | 158.7 | CIN |
| +080+ | 2.04 | Robin Roberts | 152 | BAL |
| +087+ | 1.98 | Bobby Bolin | 117.7 | SFN |
| +092+ | 1.79 | Luis Tiant | 44.7 | CLE |
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