| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dean Chance | ANA | 9.36 | 196408181_ANA_DET |
| Don Drysdale | LAN | 6.86 | 196408180_ATL_LAN |
| Jim Bunning | PHI | 5.86 | 196408190_CHN_PHI |
| Juan Pizarro | CHA | 5.53 | 196408170_NYA_CHA |
| Jim Bouton | NYA | 2.47 | 196408190_NYA_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Monbouquette | BOS | -2.68 | 196408180_BAL_BOS |
| Al Jackson | NYN | -2.03 | 196408180_PIT_NYN |
| Orlando Pena | OAK | -1.24 | 196408182_OAK_CLE |
| Ralph Terry | NYA | -0.63 | 196408170_NYA_CHA |
| Dave Stenhouse | TEX | -0.61 | 196408190_MIN_TEX |
Based on accumulated WAA for this season up to 1964-08-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.44 | Sandy Koufax | 223 | LAN |
| +002+ | 9.21 | Dean Chance | 197.3 | ANA |
| +005+ | 7.22 | Jim Bunning | 200.3 | PHI |
| +007+ | 6.46 | Juan Pizarro | 185 | CHA |
| +008+ | 5.97 | Don Drysdale | 234.3 | LAN |
| +010+ | 5.87 | Chris Short | 142 | PHI |
| +012+ | 5.77 | Whitey Ford | 178 | NYA |
| +025+ | 4.49 | Juan Marichal | 193.7 | SFN |
| +026+ | 4.45 | Jim O'Toole | 152.3 | CIN |
| +027+ | 4.43 | Gary Peters | 203.3 | CHA |
| +029+ | 4.26 | Jim Bouton | 208.7 | NYA |
| +034+ | 4 | Joe Horlen | 128 | CHA |
| +039+ | 3.6 | Fred Newman | 143 | ANA |
| +041+ | 3.39 | Bob Bruce | 151.3 | HOU |
| +042+ | 3.39 | Bobby Bolin | 134.7 | SFN |
| +049+ | 3.08 | Bob Veale | 200.3 | PIT |
| +058+ | 2.7 | Milt Pappas | 167.7 | BAL |
| +070+ | 2.47 | Robin Roberts | 165 | BAL |
| +072+ | 2.43 | Gaylord Perry | 125.7 | SFN |
| +074+ | 2.36 | Bo Belinsky | 135.7 | ANA |
| +075+ | 2.35 | Ron Herbel | 137.3 | SFN |
| +082+ | 2.23 | Wally Bunker | 142 | BAL |
| +085+ | 2.1 | Jim Maloney | 164.3 | CIN |
| +086+ | 2.07 | Steve Ridzik | 98 | TEX |
| +087+ | 2.07 | John Buzhardt | 130 | CHA |
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