| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 13.7 | 196408080_LAN_ATL |
| Dean Chance | ANA | 8.83 | 196408090_TEX_ANA |
| Whitey Ford | NYA | 7.42 | 196408080_BAL_NYA |
| Jim Bunning | PHI | 4.47 | 196408090_NYN_PHI |
| Gary Peters | CHA | 3.5 | 196408092_BOS_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Moe Drabowsky | OAK | -4.86 | 196408092_OAK_DET |
| Mudcat Grant | MIN | -1.71 | 196408080_MIN_CLE |
| Bill Monbouquette | BOS | -1.59 | 196408091_BOS_CHA |
| Dick Donovan | CLE | -1.41 | 196408080_MIN_CLE |
| Ray Sadecki | SLN | -1.08 | 196408090_HOU_SLN |
Based on accumulated WAA for this season up to 1964-08-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.13 | Sandy Koufax | 205 | LAN |
| +002+ | 7.63 | Dean Chance | 179.3 | ANA |
| +005+ | 6.26 | Jim Bunning | 185.3 | PHI |
| +007+ | 5.75 | Don Drysdale | 219.3 | LAN |
| +008+ | 5.69 | Juan Pizarro | 168.7 | CHA |
| +009+ | 5.45 | Whitey Ford | 175 | NYA |
| +017+ | 4.98 | Chris Short | 125.7 | PHI |
| +020+ | 4.76 | Gary Peters | 187.7 | CHA |
| +023+ | 4.46 | Juan Marichal | 193.7 | SFN |
| +028+ | 4.13 | Jim Bouton | 187.3 | NYA |
| +031+ | 3.81 | Joe Horlen | 116 | CHA |
| +035+ | 3.64 | Jim O'Toole | 138 | CIN |
| +037+ | 3.44 | Ron Herbel | 133 | SFN |
| +039+ | 3.3 | Bob Bruce | 145.3 | HOU |
| +042+ | 3.26 | Gaylord Perry | 115.7 | SFN |
| +045+ | 3.06 | Bob Veale | 186 | PIT |
| +046+ | 3 | Wally Bunker | 133.7 | BAL |
| +048+ | 2.93 | Dick Ellsworth | 187 | CHN |
| +052+ | 2.86 | Fred Newman | 127.3 | ANA |
| +054+ | 2.81 | Jack Kralick | 141.7 | CLE |
| +072+ | 2.18 | Bo Belinsky | 126.7 | ANA |
| +079+ | 2.05 | Don Lee | 77.3 | ANA |
| +081+ | 2.03 | Jim Maloney | 158.7 | CIN |
| +082+ | 2.01 | Robin Roberts | 152 | BAL |
| +086+ | 1.96 | Bobby Bolin | 117.7 | SFN |
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