| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Drysdale | LAN | 7.74 | 196409170_PHI_LAN |
| Jim Bunning | PHI | 7.23 | 196409160_PHI_HOU |
| Whitey Ford | NYA | 4.01 | 196409180_OAK_NYA |
| Gary Peters | CHA | 3.96 | 196409160_CHA_DET |
| Bob Veale | PIT | 2.54 | 196409180_PIT_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Monbouquette | BOS | -2.11 | 196409160_OAK_BOS |
| Al Jackson | NYN | -1.91 | 196409180_NYN_HOU |
| Denny Lemaster | ATL | -1.07 | 196409160_SLN_ATL |
| Lew Burdette | CHN | -0.89 | 196409170_CIN_CHN |
| Buster Narum | TEX | -0.36 | 196409161_TEX_CLE |
Based on accumulated WAA for this season up to 1964-09-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.36 | Dean Chance | 253.7 | ANA |
| +004+ | 9.01 | Don Drysdale | 296.3 | LAN |
| +006+ | 7.7 | Chris Short | 197.7 | PHI |
| +009+ | 7.16 | Jim Bunning | 254 | PHI |
| +011+ | 6.8 | Gary Peters | 254.7 | CHA |
| +014+ | 6.61 | Whitey Ford | 222.3 | NYA |
| +017+ | 6.26 | Juan Marichal | 233.7 | SFN |
| +018+ | 6.23 | Joe Horlen | 176.7 | CHA |
| +028+ | 5.42 | Juan Pizarro | 225.3 | CHA |
| +032+ | 4.7 | Milt Pappas | 230.3 | BAL |
| +034+ | 4.51 | Bob Veale | 252 | PIT |
| +036+ | 4.37 | Wally Bunker | 191 | BAL |
| +044+ | 3.91 | Jim O'Toole | 196 | CIN |
| +054+ | 3.55 | Gaylord Perry | 175.3 | SFN |
| +055+ | 3.54 | Jim Bouton | 249.3 | NYA |
| +059+ | 3.49 | Don Larsen | 105 | TOT |
| +060+ | 3.4 | Bob Gibson | 250.3 | SLN |
| +065+ | 3.27 | Mickey Lolich | 217.7 | DET |
| +064+ | 3.27 | Bob Purkey | 180.7 | CIN |
| +070+ | 3.01 | Claude Osteen | 241.3 | TEX |
| +076+ | 2.84 | Robin Roberts | 190.3 | BAL |
| +084+ | 2.63 | Jim Maloney | 195.7 | CIN |
| +085+ | 2.52 | Bob Bruce | 181.7 | HOU |
| +086+ | 2.5 | Jack Kralick | 182.3 | CLE |
| +088+ | 2.46 | Fred Newman | 170.3 | ANA |
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