| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Drysdale | LAN | 10 | 196410010_CHN_LAN |
| Whitey Ford | NYA | 5.17 | 196410020_CLE_NYA |
| Gary Peters | CHA | 4.83 | 196410022_OAK_CHA |
| Chris Short | PHI | 4.25 | 196410020_PHI_CIN |
| Juan Marichal | SFN | 4.01 | 196410010_HOU_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Morehead | BOS | -2.71 | 196409302_CLE_BOS |
| Diego Segui | OAK | -1.82 | 196409300_OAK_MIN |
| Al Jackson | NYN | -1.65 | 196410020_NYN_SLN |
| Denny Lemaster | ATL | -0.84 | 196410010_NYN_ATL |
| Buster Narum | TEX | -0.59 | 196409301_TEX_BAL |
Based on accumulated WAA for this season up to 1964-10-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.37 | Dean Chance | 278.3 | ANA |
| +003+ | 9.77 | Don Drysdale | 322 | LAN |
| +006+ | 7.7 | Whitey Ford | 245.3 | NYA |
| +010+ | 7.33 | Joe Horlen | 201.7 | CHA |
| +014+ | 6.95 | Chris Short | 221.7 | PHI |
| +018+ | 6.55 | Gary Peters | 274 | CHA |
| +019+ | 6.43 | Juan Marichal | 268.7 | SFN |
| +029+ | 5.49 | Jim Bunning | 275.3 | PHI |
| +030+ | 5.39 | Juan Pizarro | 239.3 | CHA |
| +031+ | 5.37 | Bob Veale | 278.3 | PIT |
| +036+ | 4.74 | Gaylord Perry | 204.3 | SFN |
| +041+ | 4.46 | Jim O'Toole | 220.3 | CIN |
| +043+ | 4.38 | Milt Pappas | 248.3 | BAL |
| +046+ | 4.27 | Wally Bunker | 214 | BAL |
| +048+ | 4.09 | Bob Bruce | 202.7 | HOU |
| +050+ | 4.07 | Jim Maloney | 215.7 | CIN |
| +051+ | 3.97 | Bob Gibson | 284 | SLN |
| +058+ | 3.57 | Fred Newman | 190 | ANA |
| +063+ | 3.44 | Don Larsen | 110.7 | TOT |
| +071+ | 3.05 | Robin Roberts | 204.3 | BAL |
| +073+ | 3.04 | Sam McDowell | 172 | CLE |
| +074+ | 3 | Mel Stottlemyre | 95 | NYA |
| +083+ | 2.7 | Larry Jackson | 289 | CHN |
| +085+ | 2.67 | Jim Bouton | 269 | NYA |
| +097+ | 2.43 | Billy McCool | 88.3 | CIN |
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