| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 13.58 | 196408120_LAN_CIN |
| Juan Pizarro | CHA | 5.54 | 196408112_CHA_NYA |
| Chris Short | PHI | 4.58 | 196408120_PHI_CHN |
| Jim Bouton | NYA | 3.63 | 196408112_CHA_NYA |
| Jim O'Toole | CIN | 2.38 | 196408120_LAN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | -2.06 | 196408110_HOU_ATL |
| Mudcat Grant | MIN | -1.61 | 196408120_DET_MIN |
| Jack Fisher | NYN | -1.3 | 196408110_NYN_PIT |
| Ralph Terry | NYA | -0.44 | 196408111_CHA_NYA |
| Jose Santiago | OAK | -0.33 | 196408120_TEX_OAK |
Based on accumulated WAA for this season up to 1964-08-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.72 | Sandy Koufax | 214 | LAN |
| +003+ | 7.66 | Dean Chance | 179.3 | ANA |
| +006+ | 6.29 | Jim Bunning | 185.3 | PHI |
| +007+ | 6.07 | Juan Pizarro | 177.7 | CHA |
| +008+ | 5.8 | Don Drysdale | 219.3 | LAN |
| +009+ | 5.5 | Whitey Ford | 175 | NYA |
| +018+ | 5.18 | Chris Short | 132.7 | PHI |
| +020+ | 4.81 | Gary Peters | 187.7 | CHA |
| +022+ | 4.51 | Juan Marichal | 193.7 | SFN |
| +033+ | 3.69 | Jim O'Toole | 143.3 | CIN |
| +035+ | 3.66 | Joe Horlen | 121.3 | CHA |
| +037+ | 3.47 | Ron Herbel | 133 | SFN |
| +038+ | 3.34 | Bob Bruce | 145.3 | HOU |
| +042+ | 3.2 | Jim Bouton | 193.3 | NYA |
| +043+ | 3.19 | Fred Newman | 136 | ANA |
| +044+ | 3.1 | Bob Veale | 186 | PIT |
| +050+ | 2.85 | Jack Kralick | 141.7 | CLE |
| +056+ | 2.7 | Gaylord Perry | 118.7 | SFN |
| +063+ | 2.51 | Wally Bunker | 137.7 | BAL |
| +070+ | 2.32 | Bo Belinsky | 135.7 | ANA |
| +075+ | 2.22 | Milt Pappas | 161.7 | BAL |
| +080+ | 2.06 | Don Lee | 77.3 | ANA |
| +081+ | 2.05 | Jim Maloney | 158.7 | CIN |
| +082+ | 2.04 | Robin Roberts | 152 | BAL |
| +085+ | 1.99 | Bobby Bolin | 117.7 | SFN |
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