| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dean Chance | ANA | 14.29 | 196409110_ANA_BOS |
| Don Drysdale | LAN | 7.79 | 196409090_LAN_SFN |
| Jim Bunning | PHI | 7.53 | 196409090_SLN_PHI |
| Juan Pizarro | CHA | 5.84 | 196409090_CHA_MIN |
| Whitey Ford | NYA | 4.7 | 196409090_NYA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Lamabe | BOS | -6.93 | 196409100_BOS_CLE |
| Denny Lemaster | ATL | -1.75 | 196409110_CIN_ATL |
| John O'Donoghue | OAK | -1.34 | 196409111_OAK_BAL |
| Dave Stenhouse | TEX | -0.64 | 196409110_TEX_DET |
| Tracy Stallard | NYN | -0.58 | 196409110_NYN_LAN |
Based on accumulated WAA for this season up to 1964-09-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.6 | Dean Chance | 244.7 | ANA |
| +004+ | 8.4 | Don Drysdale | 278.3 | LAN |
| +006+ | 7.45 | Jim Bunning | 239.7 | PHI |
| +009+ | 7.22 | Chris Short | 181.7 | PHI |
| +012+ | 6.48 | Juan Pizarro | 217.7 | CHA |
| +013+ | 6.39 | Gary Peters | 247 | CHA |
| +021+ | 5.77 | Juan Marichal | 224.7 | SFN |
| +022+ | 5.66 | Joe Horlen | 169.7 | CHA |
| +024+ | 5.57 | Whitey Ford | 209.3 | NYA |
| +028+ | 5.09 | Jim O'Toole | 182.3 | CIN |
| +031+ | 5 | Milt Pappas | 218.3 | BAL |
| +038+ | 4.23 | Wally Bunker | 184 | BAL |
| +041+ | 4.01 | Bob Veale | 236 | PIT |
| +044+ | 3.88 | Jim Bouton | 243 | NYA |
| +049+ | 3.61 | Bob Purkey | 179.7 | CIN |
| +055+ | 3.47 | Mickey Lolich | 204.3 | DET |
| +061+ | 3.22 | Gaylord Perry | 158.3 | SFN |
| +063+ | 3.03 | Don Larsen | 92 | TOT |
| +067+ | 2.89 | Bob Bruce | 175.7 | HOU |
| +070+ | 2.86 | Bob Gibson | 241.3 | SLN |
| +071+ | 2.85 | Tony Cloninger | 210.3 | ATL |
| +076+ | 2.76 | Jim Maloney | 189.7 | CIN |
| +082+ | 2.55 | Robin Roberts | 184 | BAL |
| +085+ | 2.48 | Claude Osteen | 225 | TEX |
| +097+ | 2.11 | Aubrey Gatewood | 53 | ANA |
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