| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dean Chance | ANA | 14.26 | 196409150_ANA_NYA |
| Don Drysdale | LAN | 8.54 | 196409130_NYN_LAN |
| Jim Bunning | PHI | 6.8 | 196409130_PHI_SFN |
| Juan Pizarro | CHA | 4.35 | 196409130_CHA_CLE |
| Whitey Ford | NYA | 3.88 | 196409130_MIN_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | -4.26 | 196409130_CIN_ATL |
| Phil Regan | DET | -2.74 | 196409130_TEX_DET |
| Earl Wilson | BOS | -2.14 | 196409130_ANA_BOS |
| John O'Donoghue | OAK | -1.6 | 196409150_OAK_BOS |
| Jack Fisher | NYN | -1.19 | 196409130_NYN_LAN |
Based on accumulated WAA for this season up to 1964-09-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.32 | Dean Chance | 253.7 | ANA |
| +004+ | 8.28 | Don Drysdale | 287.3 | LAN |
| +005+ | 8.04 | Jim Bunning | 249.7 | PHI |
| +007+ | 7.74 | Chris Short | 190.7 | PHI |
| +012+ | 6.38 | Gary Peters | 247 | CHA |
| +014+ | 6.27 | Juan Marichal | 233.7 | SFN |
| +015+ | 6.23 | Joe Horlen | 176.7 | CHA |
| +019+ | 6.13 | Juan Pizarro | 223.7 | CHA |
| +023+ | 5.88 | Whitey Ford | 213.3 | NYA |
| +031+ | 5.01 | Milt Pappas | 226.3 | BAL |
| +034+ | 4.56 | Bob Veale | 245 | PIT |
| +037+ | 4.28 | Jim O'Toole | 187.7 | CIN |
| +039+ | 4.21 | Wally Bunker | 184 | BAL |
| +045+ | 3.87 | Jim Bouton | 243 | NYA |
| +047+ | 3.73 | Gaylord Perry | 167.3 | SFN |
| +055+ | 3.49 | Don Larsen | 100 | TOT |
| +057+ | 3.39 | Bob Gibson | 250.3 | SLN |
| +060+ | 3.32 | Mickey Lolich | 210.7 | DET |
| +061+ | 3.27 | Bob Purkey | 180.7 | CIN |
| +068+ | 3 | Claude Osteen | 234 | TEX |
| +075+ | 2.85 | Robin Roberts | 190.3 | BAL |
| +077+ | 2.83 | Fred Newman | 165 | ANA |
| +080+ | 2.76 | Jim Maloney | 189.7 | CIN |
| +087+ | 2.44 | Bob Bruce | 180.7 | HOU |
| +100+ | 1.99 | Jim Kaat | 226.3 | MIN |
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