| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Drysdale | LAN | 10 | 196410010_CHN_LAN |
| Joe Horlen | CHA | 5.47 | 196410030_OAK_CHA |
| Whitey Ford | NYA | 5.17 | 196410020_CLE_NYA |
| Chris Short | PHI | 4.25 | 196410020_PHI_CIN |
| Juan Marichal | SFN | 4.01 | 196410010_HOU_SFN |
| 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 1964-10-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.44 | Dean Chance | 278.3 | ANA |
| +004+ | 9.83 | Don Drysdale | 322 | LAN |
| +006+ | 8.11 | Joe Horlen | 210.7 | CHA |
| +007+ | 7.75 | Whitey Ford | 245.3 | NYA |
| +014+ | 6.99 | Chris Short | 221.7 | PHI |
| +017+ | 6.61 | Gary Peters | 274 | CHA |
| +019+ | 6.49 | Juan Marichal | 268.7 | SFN |
| +029+ | 5.54 | Jim Bunning | 275.3 | PHI |
| +030+ | 5.44 | Bob Veale | 278.3 | PIT |
| +031+ | 5.43 | Juan Pizarro | 239.3 | CHA |
| +036+ | 4.78 | Gaylord Perry | 204.3 | SFN |
| +039+ | 4.5 | Jim O'Toole | 220.3 | CIN |
| +044+ | 4.3 | Wally Bunker | 214 | BAL |
| +046+ | 4.14 | Bob Bruce | 202.7 | HOU |
| +047+ | 4.11 | Jim Maloney | 215.7 | CIN |
| +049+ | 4.01 | Bob Gibson | 284 | SLN |
| +055+ | 3.62 | Fred Newman | 190 | ANA |
| +064+ | 3.46 | Milt Pappas | 252 | BAL |
| +069+ | 3.09 | Don Larsen | 113.7 | TOT |
| +070+ | 3.08 | Sam McDowell | 172 | CLE |
| +071+ | 3.08 | Robin Roberts | 204.3 | BAL |
| +073+ | 3.02 | Mel Stottlemyre | 95 | NYA |
| +083+ | 2.75 | Larry Jackson | 289 | CHN |
| +085+ | 2.73 | Jim Bouton | 269 | NYA |
| +096+ | 2.45 | Billy McCool | 88.3 | CIN |
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