| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 13.58 | 196408120_LAN_CIN |
| Dean Chance | ANA | 8.54 | 196408142_ANA_TEX |
| Jim Bunning | PHI | 5.88 | 196408141_PHI_NYN |
| Gary Peters | CHA | 3.93 | 196408130_CHA_NYA |
| Jim O'Toole | CIN | 2.38 | 196408120_LAN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Alan Koch | TEX | -2.23 | 196408142_ANA_TEX |
| Phil Regan | DET | -2.07 | 196408140_DET_OAK |
| Al Jackson | NYN | -1.87 | 196408141_PHI_NYN |
| Bill Monbouquette | BOS | -1.77 | 196408130_BOS_BAL |
| Mudcat Grant | MIN | -1.61 | 196408120_DET_MIN |
Based on accumulated WAA for this season up to 1964-08-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.7 | Sandy Koufax | 214 | LAN |
| +002+ | 8.41 | Dean Chance | 188.3 | ANA |
| +005+ | 6.84 | Jim Bunning | 194.3 | PHI |
| +007+ | 6.07 | Juan Pizarro | 177.7 | CHA |
| +008+ | 5.82 | Don Drysdale | 227.3 | LAN |
| +011+ | 5.59 | Whitey Ford | 176 | NYA |
| +015+ | 5.17 | Chris Short | 132.7 | PHI |
| +023+ | 4.5 | Juan Marichal | 193.7 | SFN |
| +024+ | 4.43 | Gary Peters | 195.7 | CHA |
| +033+ | 3.69 | Jim O'Toole | 143.3 | CIN |
| +034+ | 3.66 | Joe Horlen | 121.3 | CHA |
| +038+ | 3.46 | Ron Herbel | 133 | SFN |
| +040+ | 3.43 | Bob Bruce | 151.3 | HOU |
| +041+ | 3.3 | Bob Veale | 193.3 | PIT |
| +043+ | 3.2 | Jim Bouton | 193.3 | NYA |
| +044+ | 3.19 | Fred Newman | 136 | ANA |
| +049+ | 2.85 | Jack Kralick | 141.7 | CLE |
| +055+ | 2.73 | Bobby Bolin | 126.7 | SFN |
| +057+ | 2.69 | Gaylord Perry | 118.7 | SFN |
| +066+ | 2.5 | Wally Bunker | 137.7 | BAL |
| +069+ | 2.4 | Robin Roberts | 159 | BAL |
| +073+ | 2.32 | Bo Belinsky | 135.7 | ANA |
| +079+ | 2.2 | Milt Pappas | 161.7 | BAL |
| +085+ | 2.1 | Jim Maloney | 164.3 | CIN |
| +086+ | 2.07 | John Buzhardt | 130 | CHA |
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