| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Drysdale | LAN | 9.17 | 196409270_LAN_HOU |
| Jim Bunning | PHI | 5.65 | 196409270_ATL_PHI |
| Whitey Ford | NYA | 4.99 | 196409270_NYA_TEX |
| Joe Horlen | CHA | 4.97 | 196409270_CHA_OAK |
| Juan Marichal | SFN | 4.7 | 196409271_SFN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Art Mahaffey | PHI | -1.42 | 196409260_ATL_PHI |
| Bill Monbouquette | BOS | -0.92 | 196409270_BOS_DET |
| Johnny Odom | OAK | -0.47 | 196409270_CHA_OAK |
| Denny Lemaster | ATL | -0.41 | 196409260_ATL_PHI |
| Dennis Ribant | NYN | -0.32 | 196409260_CIN_NYN |
Based on accumulated WAA for this season up to 1964-09-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.44 | Dean Chance | 271.3 | ANA |
| +002+ | 10.01 | Don Drysdale | 314.3 | LAN |
| +008+ | 7.36 | Joe Horlen | 201.7 | CHA |
| +011+ | 7.21 | Whitey Ford | 236.3 | NYA |
| +014+ | 6.81 | Gary Peters | 269 | CHA |
| +016+ | 6.61 | Chris Short | 215 | PHI |
| +019+ | 6.42 | Juan Marichal | 259.7 | SFN |
| +021+ | 6.28 | Jim Bunning | 272 | PHI |
| +030+ | 5.42 | Juan Pizarro | 234.3 | CHA |
| +034+ | 4.8 | Milt Pappas | 245.3 | BAL |
| +036+ | 4.6 | Jim O'Toole | 213 | CIN |
| +038+ | 4.49 | Bob Veale | 266 | PIT |
| +042+ | 4.2 | Gaylord Perry | 194.3 | SFN |
| +044+ | 4.18 | Wally Bunker | 205 | BAL |
| +046+ | 4.15 | Bob Bruce | 202.7 | HOU |
| +057+ | 3.55 | Bob Gibson | 276 | SLN |
| +058+ | 3.5 | Robin Roberts | 199.3 | BAL |
| +060+ | 3.47 | Don Larsen | 110.7 | TOT |
| +061+ | 3.41 | Jim Bouton | 262.3 | NYA |
| +064+ | 3.34 | Fred Newman | 187 | ANA |
| +068+ | 3.28 | Jim Maloney | 204.7 | CIN |
| +075+ | 2.99 | Mel Stottlemyre | 87 | NYA |
| +085+ | 2.64 | Bob Purkey | 189.3 | CIN |
| +089+ | 2.46 | Larry Jackson | 281 | CHN |
| +091+ | 2.39 | Mickey Lolich | 228.7 | DET |
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