| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dean Chance | ANA | 14.26 | 196409150_ANA_NYA |
| Don Drysdale | LAN | 7.74 | 196409170_PHI_LAN |
| Jim Bunning | PHI | 7.23 | 196409160_PHI_HOU |
| Gary Peters | CHA | 3.96 | 196409160_CHA_DET |
| Juan Marichal | SFN | 3.67 | 196409150_NYN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Monbouquette | BOS | -2.11 | 196409160_OAK_BOS |
| John O'Donoghue | OAK | -1.6 | 196409150_OAK_BOS |
| Denny Lemaster | ATL | -1.07 | 196409160_SLN_ATL |
| Lew Burdette | CHN | -0.89 | 196409170_CIN_CHN |
| Tracy Stallard | NYN | -0.5 | 196409160_NYN_SFN |
Based on accumulated WAA for this season up to 1964-09-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.34 | Dean Chance | 253.7 | ANA |
| +003+ | 9.02 | Don Drysdale | 296.3 | LAN |
| +006+ | 7.74 | Chris Short | 190.7 | PHI |
| +009+ | 7.16 | Jim Bunning | 254 | PHI |
| +011+ | 6.8 | Gary Peters | 254.7 | CHA |
| +016+ | 6.26 | Juan Marichal | 233.7 | SFN |
| +017+ | 6.22 | Joe Horlen | 176.7 | CHA |
| +019+ | 6.13 | Juan Pizarro | 223.7 | CHA |
| +023+ | 5.88 | Whitey Ford | 213.3 | NYA |
| +031+ | 5 | Milt Pappas | 226.3 | BAL |
| +034+ | 4.55 | Bob Veale | 245 | PIT |
| +036+ | 4.37 | Wally Bunker | 191 | BAL |
| +044+ | 3.91 | Jim O'Toole | 196 | CIN |
| +054+ | 3.55 | Gaylord Perry | 175.3 | SFN |
| +055+ | 3.54 | Jim Bouton | 249.3 | NYA |
| +056+ | 3.48 | Don Larsen | 100 | TOT |
| +058+ | 3.4 | Bob Gibson | 250.3 | SLN |
| +064+ | 3.27 | Bob Purkey | 180.7 | CIN |
| +063+ | 3.27 | Mickey Lolich | 217.7 | DET |
| +072+ | 3.02 | Claude Osteen | 234 | TEX |
| +075+ | 2.84 | Robin Roberts | 190.3 | BAL |
| +083+ | 2.63 | Jim Maloney | 195.7 | CIN |
| +085+ | 2.52 | Bob Bruce | 181.7 | HOU |
| +087+ | 2.45 | Fred Newman | 170.3 | ANA |
| +099+ | 2.05 | Mel Stottlemyre | 69.7 | NYA |
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