| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dean Chance | ANA | 8.54 | 196408142_ANA_TEX |
| Don Drysdale | LAN | 7.74 | 196408140_SLN_LAN |
| Jim Bunning | PHI | 5.88 | 196408141_PHI_NYN |
| Gary Peters | CHA | 3.93 | 196408130_CHA_NYA |
| Bob Veale | PIT | 2.19 | 196408141_PIT_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ken McBride | ANA | -2.3 | 196408150_ANA_TEX |
| Dave Morehead | BOS | -2.3 | 196408150_CHA_BOS |
| Alan Koch | TEX | -2.23 | 196408142_ANA_TEX |
| Phil Regan | DET | -2.07 | 196408140_DET_OAK |
| Al Jackson | NYN | -1.87 | 196408141_PHI_NYN |
Based on accumulated WAA for this season up to 1964-08-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.73 | Sandy Koufax | 214 | LAN |
| +002+ | 8.45 | Dean Chance | 188.3 | ANA |
| +005+ | 6.85 | Jim Bunning | 194.3 | PHI |
| +007+ | 6.1 | Juan Pizarro | 177.7 | CHA |
| +008+ | 5.85 | Don Drysdale | 227.3 | LAN |
| +010+ | 5.61 | Whitey Ford | 176 | NYA |
| +017+ | 5.18 | Chris Short | 132.7 | PHI |
| +023+ | 4.52 | Juan Marichal | 193.7 | SFN |
| +026+ | 4.47 | Gary Peters | 195.7 | CHA |
| +033+ | 3.75 | Jim Bouton | 202.3 | NYA |
| +035+ | 3.72 | Jim O'Toole | 143.3 | CIN |
| +036+ | 3.68 | Joe Horlen | 121.3 | CHA |
| +039+ | 3.44 | Bob Bruce | 151.3 | HOU |
| +042+ | 3.32 | Bob Veale | 193.3 | PIT |
| +045+ | 3.22 | Fred Newman | 136 | ANA |
| +050+ | 2.89 | Ron Herbel | 136 | SFN |
| +054+ | 2.74 | Bobby Bolin | 126.7 | SFN |
| +056+ | 2.71 | Gaylord Perry | 118.7 | SFN |
| +066+ | 2.52 | Wally Bunker | 137.7 | BAL |
| +068+ | 2.42 | Robin Roberts | 159 | BAL |
| +070+ | 2.35 | Bo Belinsky | 135.7 | ANA |
| +076+ | 2.22 | Milt Pappas | 161.7 | BAL |
| +078+ | 2.21 | Jack Kralick | 143.7 | CLE |
| +085+ | 2.13 | Jim Maloney | 164.3 | CIN |
| +086+ | 2.1 | John Buzhardt | 130 | CHA |
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