| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Drysdale | LAN | 8.55 | 196409220_LAN_CHN |
| Jim Bunning | PHI | 6.33 | 196409240_ATL_PHI |
| Whitey Ford | NYA | 5.04 | 196409222_NYA_CLE |
| Joe Horlen | CHA | 4.72 | 196409230_CHA_ANA |
| Juan Marichal | SFN | 3.95 | 196409230_SFN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Phil Regan | DET | -2.39 | 196409230_BAL_DET |
| Bill Monbouquette | BOS | -1.5 | 196409220_BOS_TEX |
| Dick Donovan | CLE | -1.41 | 196409222_NYA_CLE |
| Lew Burdette | CHN | -1.29 | 196409220_LAN_CHN |
| Denny Lemaster | ATL | -0.73 | 196409220_ATL_PIT |
Based on accumulated WAA for this season up to 1964-09-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.76 | Dean Chance | 262.3 | ANA |
| +003+ | 9.31 | Don Drysdale | 304.3 | LAN |
| +008+ | 7.6 | Jim Bunning | 269 | PHI |
| +009+ | 7.08 | Joe Horlen | 192.7 | CHA |
| +012+ | 6.91 | Whitey Ford | 229.3 | NYA |
| +013+ | 6.74 | Gary Peters | 262.3 | CHA |
| +015+ | 6.69 | Chris Short | 202.3 | PHI |
| +016+ | 6.63 | Juan Marichal | 251.7 | SFN |
| +028+ | 5.36 | Juan Pizarro | 225.3 | CHA |
| +033+ | 4.9 | Milt Pappas | 238.3 | BAL |
| +035+ | 4.77 | Bob Veale | 261 | PIT |
| +036+ | 4.66 | Wally Bunker | 200 | BAL |
| +041+ | 4.2 | Jim Bouton | 258.3 | NYA |
| +042+ | 4.19 | Jim O'Toole | 205 | CIN |
| +054+ | 3.69 | Gaylord Perry | 185.3 | SFN |
| +057+ | 3.52 | Don Larsen | 110.7 | TOT |
| +064+ | 3.22 | Bob Bruce | 190.7 | HOU |
| +068+ | 3.16 | Bob Gibson | 268 | SLN |
| +069+ | 3.14 | Fred Newman | 179 | ANA |
| +072+ | 3.01 | Claude Osteen | 249.7 | TEX |
| +077+ | 2.91 | Mickey Lolich | 221.7 | DET |
| +081+ | 2.8 | Robin Roberts | 190.3 | BAL |
| +085+ | 2.58 | Jim Maloney | 195.7 | CIN |
| +089+ | 2.37 | Bob Purkey | 183 | CIN |
| +091+ | 2.34 | Sam McDowell | 163 | CLE |
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