| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dean Chance | ANA | 14.29 | 196409110_ANA_BOS |
| Chris Short | PHI | 5.72 | 196409100_SLN_PHI |
| Gary Peters | CHA | 4.31 | 196409110_CHA_CLE |
| Juan Marichal | SFN | 3.35 | 196409110_PHI_SFN |
| Milt Pappas | BAL | 3.32 | 196409100_BAL_TEX |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Lamabe | BOS | -6.93 | 196409100_BOS_CLE |
| Denny Lemaster | ATL | -1.75 | 196409110_CIN_ATL |
| Art Mahaffey | PHI | -1.51 | 196409120_PHI_SFN |
| Al Jackson | NYN | -1.5 | 196409120_NYN_LAN |
| John O'Donoghue | OAK | -1.34 | 196409111_OAK_BAL |
Based on accumulated WAA for this season up to 1964-09-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.58 | Dean Chance | 244.7 | ANA |
| +004+ | 8.4 | Don Drysdale | 278.3 | LAN |
| +007+ | 7.46 | Jim Bunning | 239.7 | PHI |
| +008+ | 7.22 | Chris Short | 181.7 | PHI |
| +012+ | 6.49 | Juan Pizarro | 217.7 | CHA |
| +013+ | 6.4 | Gary Peters | 247 | CHA |
| +022+ | 5.77 | Juan Marichal | 224.7 | SFN |
| +023+ | 5.66 | Joe Horlen | 169.7 | CHA |
| +024+ | 5.57 | Whitey Ford | 209.3 | NYA |
| +030+ | 4.99 | Milt Pappas | 218.3 | BAL |
| +036+ | 4.28 | Jim O'Toole | 187.7 | CIN |
| +037+ | 4.23 | Wally Bunker | 184 | BAL |
| +041+ | 4.02 | Bob Veale | 236 | PIT |
| +043+ | 3.88 | Jim Bouton | 243 | NYA |
| +046+ | 3.76 | Gaylord Perry | 167.3 | SFN |
| +050+ | 3.61 | Bob Purkey | 179.7 | CIN |
| +055+ | 3.5 | Don Larsen | 100 | TOT |
| +058+ | 3.35 | Mickey Lolich | 210.7 | DET |
| +070+ | 2.88 | Bob Bruce | 175.7 | HOU |
| +071+ | 2.87 | Bob Gibson | 241.3 | SLN |
| +073+ | 2.84 | Fred Newman | 165 | ANA |
| +072+ | 2.84 | Tony Cloninger | 210.3 | ATL |
| +079+ | 2.77 | Jim Maloney | 189.7 | CIN |
| +083+ | 2.55 | Robin Roberts | 184 | BAL |
| +086+ | 2.47 | Claude Osteen | 225 | TEX |
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