| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 14.02 | 196408161_SLN_LAN |
| Dean Chance | ANA | 9.36 | 196408181_ANA_DET |
| Juan Pizarro | CHA | 5.53 | 196408170_NYA_CHA |
| Chris Short | PHI | 4.29 | 196408170_CHN_PHI |
| Jim O'Toole | CIN | 2.22 | 196408180_CIN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Monbouquette | BOS | -2.68 | 196408180_BAL_BOS |
| Al Jackson | NYN | -2.03 | 196408180_PIT_NYN |
| Frank Lary | ATL | -1.3 | 196408161_ATL_SFN |
| Orlando Pena | OAK | -1.24 | 196408182_OAK_CLE |
| Art Mahaffey | PHI | -1.1 | 196408160_PHI_NYN |
Based on accumulated WAA for this season up to 1964-08-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.44 | Sandy Koufax | 223 | LAN |
| +002+ | 9.19 | Dean Chance | 197.3 | ANA |
| +005+ | 6.71 | Jim Bunning | 194.3 | PHI |
| +007+ | 6.46 | Juan Pizarro | 185 | CHA |
| +009+ | 5.96 | Don Drysdale | 234.3 | LAN |
| +010+ | 5.87 | Chris Short | 142 | PHI |
| +011+ | 5.75 | Whitey Ford | 178 | NYA |
| +025+ | 4.49 | Juan Marichal | 193.7 | SFN |
| +026+ | 4.44 | Jim O'Toole | 152.3 | CIN |
| +028+ | 4.42 | Gary Peters | 203.3 | CHA |
| +032+ | 3.99 | Joe Horlen | 128 | CHA |
| +037+ | 3.72 | Jim Bouton | 202.3 | NYA |
| +038+ | 3.59 | Fred Newman | 143 | ANA |
| +041+ | 3.4 | Bob Bruce | 151.3 | HOU |
| +042+ | 3.38 | Bobby Bolin | 134.7 | SFN |
| +048+ | 3.06 | Bob Veale | 200.3 | PIT |
| +053+ | 2.86 | Ron Herbel | 136 | SFN |
| +058+ | 2.69 | Milt Pappas | 167.7 | BAL |
| +066+ | 2.49 | Wally Bunker | 137.7 | BAL |
| +067+ | 2.47 | Robin Roberts | 165 | BAL |
| +070+ | 2.43 | Gaylord Perry | 125.7 | SFN |
| +077+ | 2.34 | Bo Belinsky | 135.7 | ANA |
| +084+ | 2.09 | Jim Maloney | 164.3 | CIN |
| +085+ | 2.09 | Bob Miller | 101.3 | LAN |
| +086+ | 2.07 | Steve Ridzik | 98 | TEX |
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