| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 14.02 | 196408161_SLN_LAN |
| Dean Chance | ANA | 8.54 | 196408142_ANA_TEX |
| Jim Bunning | PHI | 5.88 | 196408141_PHI_NYN |
| Bob Veale | PIT | 2.19 | 196408141_PIT_CHN |
| Jim Bouton | NYA | 2.14 | 196408150_NYA_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Morehead | BOS | -2.3 | 196408150_CHA_BOS |
| Ken McBride | ANA | -2.3 | 196408150_ANA_TEX |
| 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 1964-08-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.51 | Sandy Koufax | 223 | LAN |
| +002+ | 8.48 | Dean Chance | 188.3 | ANA |
| +005+ | 6.89 | Jim Bunning | 194.3 | PHI |
| +007+ | 6.12 | Juan Pizarro | 177.7 | CHA |
| +009+ | 5.88 | Don Drysdale | 227.3 | LAN |
| +010+ | 5.63 | Whitey Ford | 176 | NYA |
| +016+ | 5.21 | Chris Short | 132.7 | PHI |
| +025+ | 4.55 | Juan Marichal | 193.7 | SFN |
| +027+ | 4.49 | Gary Peters | 195.7 | CHA |
| +030+ | 4.05 | Joe Horlen | 128 | CHA |
| +034+ | 3.78 | Jim Bouton | 202.3 | NYA |
| +036+ | 3.73 | Jim O'Toole | 143.3 | CIN |
| +039+ | 3.45 | Bob Bruce | 151.3 | HOU |
| +041+ | 3.34 | Bob Veale | 193.3 | PIT |
| +044+ | 3.24 | Fred Newman | 136 | ANA |
| +049+ | 2.9 | Ron Herbel | 136 | SFN |
| +054+ | 2.76 | Bobby Bolin | 126.7 | SFN |
| +056+ | 2.74 | Milt Pappas | 167.7 | BAL |
| +064+ | 2.53 | Wally Bunker | 137.7 | BAL |
| +069+ | 2.47 | Gaylord Perry | 125.7 | SFN |
| +071+ | 2.44 | Robin Roberts | 159 | BAL |
| +073+ | 2.37 | Bo Belinsky | 135.7 | ANA |
| +081+ | 2.23 | Jack Kralick | 143.7 | CLE |
| +086+ | 2.15 | Jim Maloney | 164.3 | CIN |
| +087+ | 2.11 | John Buzhardt | 130 | CHA |
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