| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dean Chance | ANA | 10.61 | 196409020_NYA_ANA |
| Jim Bunning | PHI | 7.18 | 196409010_HOU_PHI |
| Jim Bouton | NYA | 3.33 | 196409020_NYA_ANA |
| Gary Peters | CHA | 3.24 | 196409020_DET_CHA |
| Juan Marichal | SFN | 2.74 | 196409020_SFN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Lamabe | BOS | -4.51 | 196409010_BOS_OAK |
| Moe Drabowsky | OAK | -3.8 | 196409030_BOS_OAK |
| Ken McBride | ANA | -2.33 | 196409030_NYA_ANA |
| Al Jackson | NYN | -1.54 | 196409010_SFN_NYN |
| Lee Stange | CLE | -1.43 | 196409020_CLE_TEX |
Based on accumulated WAA for this season up to 1964-09-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.53 | Dean Chance | 228.7 | ANA |
| +002+ | 9.28 | Sandy Koufax | 223 | LAN |
| +004+ | 7.53 | Jim Bunning | 224.7 | PHI |
| +008+ | 6.96 | Chris Short | 170.3 | PHI |
| +009+ | 6.9 | Juan Pizarro | 206.7 | CHA |
| +010+ | 6.89 | Don Drysdale | 260.3 | LAN |
| +014+ | 6.12 | Gary Peters | 230 | CHA |
| +017+ | 6.02 | Whitey Ford | 196.3 | NYA |
| +024+ | 5.2 | Juan Marichal | 207.7 | SFN |
| +026+ | 4.99 | Jim O'Toole | 176.3 | CIN |
| +027+ | 4.85 | Joe Horlen | 151.7 | CHA |
| +031+ | 4.58 | Jim Bouton | 233 | NYA |
| +033+ | 4.51 | Milt Pappas | 200 | BAL |
| +046+ | 3.61 | Bob Bruce | 167.3 | HOU |
| +050+ | 3.31 | Wally Bunker | 168 | BAL |
| +054+ | 3.18 | Robin Roberts | 179 | BAL |
| +053+ | 3.18 | Don Larsen | 89 | TOT |
| +056+ | 3.09 | Gaylord Perry | 151.7 | SFN |
| +063+ | 2.99 | Bob Veale | 218.3 | PIT |
| +072+ | 2.64 | Bob Miller | 114 | LAN |
| +079+ | 2.41 | Steve Ridzik | 105 | TEX |
| +082+ | 2.32 | Ron Herbel | 155 | SFN |
| +085+ | 2.21 | Jim Maloney | 175.7 | CIN |
| +088+ | 2.09 | Bob Purkey | 161.7 | CIN |
| +092+ | 1.99 | Mickey Lolich | 186.3 | DET |
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