| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Horlen | CHA | 5.47 | 196410030_OAK_CHA |
| Whitey Ford | NYA | 5.17 | 196410020_CLE_NYA |
| Chris Short | PHI | 4.25 | 196410020_PHI_CIN |
| Gaylord Perry | SFN | 2.43 | 196410040_CHN_SFN |
| Jim O'Toole | CIN | 1.86 | 196410020_PHI_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| John O'Donoghue | OAK | -2.88 | 196410030_OAK_CHA |
| Ken McBride | ANA | -2.23 | 196410030_ANA_MIN |
| Al Jackson | NYN | -1.65 | 196410020_NYN_SLN |
| Bill Monbouquette | BOS | -0.94 | 196410030_TEX_BOS |
| Lee Stange | CLE | -0.92 | 196410030_CLE_NYA |
Based on accumulated WAA for this season up to 1964-10-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.53 | Dean Chance | 278.3 | ANA |
| +004+ | 9.88 | Don Drysdale | 322 | LAN |
| +006+ | 8.15 | Joe Horlen | 210.7 | CHA |
| +008+ | 7.74 | Whitey Ford | 245.3 | NYA |
| +014+ | 7.02 | Chris Short | 221.7 | PHI |
| +017+ | 6.65 | Gary Peters | 274 | CHA |
| +019+ | 6.53 | Juan Marichal | 268.7 | SFN |
| +021+ | 6.34 | Jim Bunning | 284.3 | PHI |
| +030+ | 5.67 | Bob Veale | 280.3 | PIT |
| +032+ | 5.47 | Juan Pizarro | 239.3 | CHA |
| +037+ | 4.53 | Jim O'Toole | 220.3 | CIN |
| +042+ | 4.33 | Wally Bunker | 214 | BAL |
| +045+ | 4.18 | Bob Bruce | 202.7 | HOU |
| +046+ | 4.15 | Jim Maloney | 215.7 | CIN |
| +048+ | 3.97 | Bob Gibson | 288 | SLN |
| +052+ | 3.72 | Gaylord Perry | 206.3 | SFN |
| +054+ | 3.68 | Fred Newman | 190 | ANA |
| +065+ | 3.5 | Milt Pappas | 252 | BAL |
| +069+ | 3.23 | Sam McDowell | 174 | CLE |
| +071+ | 3.13 | Larry Jackson | 298 | CHN |
| +072+ | 3.11 | Robin Roberts | 204.3 | BAL |
| +073+ | 3.11 | Don Larsen | 113.7 | TOT |
| +075+ | 3.09 | Mel Stottlemyre | 96 | NYA |
| +082+ | 2.75 | Jim Bouton | 272 | NYA |
| +097+ | 2.36 | Billy McCool | 89.7 | CIN |
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