| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dean Chance | ANA | 15.87 | 196409201_ANA_BAL |
| Chris Short | PHI | 6.48 | 196409180_PHI_LAN |
| Gary Peters | CHA | 4.57 | 196409200_TEX_CHA |
| Juan Marichal | SFN | 4.25 | 196409190_PIT_SFN |
| Whitey Ford | NYA | 4.01 | 196409180_OAK_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| John O'Donoghue | OAK | -1.97 | 196409200_OAK_NYA |
| Al Jackson | NYN | -1.91 | 196409180_NYN_HOU |
| Earl Wilson | BOS | -1.87 | 196409190_MIN_BOS |
| Lee Stange | CLE | -0.71 | 196409201_CLE_DET |
| Bennie Daniels | TEX | -0.51 | 196409190_TEX_CHA |
Based on accumulated WAA for this season up to 1964-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.88 | Dean Chance | 260.3 | ANA |
| +004+ | 8.91 | Don Drysdale | 296.3 | LAN |
| +006+ | 7.81 | Jim Bunning | 263 | PHI |
| +009+ | 7.63 | Chris Short | 197.7 | PHI |
| +011+ | 6.84 | Joe Horlen | 186.7 | CHA |
| +012+ | 6.81 | Gary Peters | 262.3 | CHA |
| +016+ | 6.63 | Whitey Ford | 222.3 | NYA |
| +018+ | 6.15 | Juan Marichal | 242.7 | SFN |
| +028+ | 5.43 | Juan Pizarro | 225.3 | CHA |
| +034+ | 4.7 | Wally Bunker | 200 | BAL |
| +033+ | 4.7 | Milt Pappas | 230.3 | BAL |
| +035+ | 4.52 | Bob Veale | 252 | PIT |
| +037+ | 4.3 | Jim Bouton | 258.3 | NYA |
| +049+ | 3.93 | Jim O'Toole | 196 | CIN |
| +053+ | 3.74 | Gaylord Perry | 185.3 | SFN |
| +059+ | 3.49 | Don Larsen | 105 | TOT |
| +062+ | 3.29 | Bob Bruce | 190.7 | HOU |
| +072+ | 3.02 | Claude Osteen | 241.3 | TEX |
| +073+ | 2.98 | Mickey Lolich | 221.7 | DET |
| +078+ | 2.9 | Bob Gibson | 259 | SLN |
| +082+ | 2.84 | Robin Roberts | 190.3 | BAL |
| +084+ | 2.64 | Jim Maloney | 195.7 | CIN |
| +086+ | 2.52 | Jack Kralick | 182.3 | CLE |
| +087+ | 2.47 | Fred Newman | 170.3 | ANA |
| +088+ | 2.42 | Bob Purkey | 183 | CIN |
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