| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 6.01 | 196408200_NYA_CHA |
| Jim Bunning | PHI | 5.86 | 196408190_CHN_PHI |
| Juan Pizarro | CHA | 5.71 | 196408210_BAL_CHA |
| Bob Veale | PIT | 1.47 | 196408210_PIT_PHI |
| Milt Pappas | BAL | 0.94 | 196408210_BAL_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Morehead | BOS | -1.94 | 196408200_BAL_BOS |
| Lee Stange | CLE | -1.51 | 196408200_OAK_CLE |
| Jack Fisher | NYN | -1.45 | 196408210_CHN_NYN |
| Art Mahaffey | PHI | -1.31 | 196408201_PIT_PHI |
| John O'Donoghue | OAK | -0.88 | 196408210_OAK_TEX |
Based on accumulated WAA for this season up to 1964-08-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.42 | Sandy Koufax | 223 | LAN |
| +002+ | 9.18 | Dean Chance | 197.3 | ANA |
| +005+ | 7.19 | Jim Bunning | 200.3 | PHI |
| +006+ | 6.68 | Juan Pizarro | 193 | CHA |
| +007+ | 6.61 | Chris Short | 151 | PHI |
| +009+ | 5.94 | Don Drysdale | 234.3 | LAN |
| +021+ | 4.97 | Whitey Ford | 181 | NYA |
| +024+ | 4.47 | Juan Marichal | 193.7 | SFN |
| +027+ | 4.42 | Jim O'Toole | 152.3 | CIN |
| +029+ | 4.4 | Gary Peters | 203.3 | CHA |
| +030+ | 4.27 | Jim Bouton | 208.7 | NYA |
| +032+ | 3.98 | Joe Horlen | 128 | CHA |
| +038+ | 3.58 | Fred Newman | 143 | ANA |
| +042+ | 3.38 | Bob Veale | 206.3 | PIT |
| +043+ | 3.37 | Bobby Bolin | 134.7 | SFN |
| +044+ | 3.36 | Bob Bruce | 151.3 | HOU |
| +054+ | 2.88 | Milt Pappas | 175 | BAL |
| +055+ | 2.8 | John Buzhardt | 139 | CHA |
| +069+ | 2.46 | Robin Roberts | 165 | BAL |
| +074+ | 2.33 | Bo Belinsky | 135.7 | ANA |
| +079+ | 2.23 | Gaylord Perry | 131 | SFN |
| +081+ | 2.22 | Wally Bunker | 142 | BAL |
| +085+ | 2.06 | Steve Ridzik | 98 | TEX |
| +086+ | 2.02 | Bob Miller | 105.7 | LAN |
| +087+ | 1.99 | Joe Sparma | 68.7 | DET |
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