| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Drysdale | LAN | 6.98 | 196409041_LAN_NYN |
| Jim Bunning | PHI | 6.95 | 196409050_SFN_PHI |
| Juan Pizarro | CHA | 5.34 | 196409040_CLE_CHA |
| Whitey Ford | NYA | 4.93 | 196409040_NYA_OAK |
| Bob Bruce | HOU | 1.31 | 196409040_HOU_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Lamabe | BOS | -4.58 | 196409050_BOS_MIN |
| Moe Drabowsky | OAK | -3.8 | 196409030_BOS_OAK |
| Ken McBride | ANA | -2.33 | 196409030_NYA_ANA |
| Jack Fisher | NYN | -1.23 | 196409030_SFN_NYN |
| Art Mahaffey | PHI | -0.98 | 196409040_SFN_PHI |
Based on accumulated WAA for this season up to 1964-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.57 | Dean Chance | 228.7 | ANA |
| +002+ | 9.34 | Sandy Koufax | 223 | LAN |
| +006+ | 7.7 | Jim Bunning | 233.7 | PHI |
| +005+ | 7.7 | Don Drysdale | 269.3 | LAN |
| +008+ | 7.3 | Juan Pizarro | 213.7 | CHA |
| +010+ | 6.99 | Chris Short | 170.3 | PHI |
| +014+ | 6.14 | Gary Peters | 230 | CHA |
| +020+ | 5.9 | Whitey Ford | 202.3 | NYA |
| +023+ | 5.27 | Juan Marichal | 207.7 | SFN |
| +024+ | 5.19 | Joe Horlen | 160.7 | CHA |
| +026+ | 5.02 | Jim O'Toole | 176.3 | CIN |
| +031+ | 4.61 | Jim Bouton | 233 | NYA |
| +033+ | 4.57 | Milt Pappas | 200 | BAL |
| +048+ | 3.58 | Bob Veale | 227.3 | PIT |
| +053+ | 3.36 | Wally Bunker | 168 | BAL |
| +055+ | 3.2 | Don Larsen | 89 | TOT |
| +056+ | 3.14 | Gaylord Perry | 151.7 | SFN |
| +058+ | 3.02 | Bob Bruce | 169.7 | HOU |
| +063+ | 2.87 | Bob Purkey | 170.7 | CIN |
| +066+ | 2.85 | Robin Roberts | 182 | BAL |
| +069+ | 2.78 | Mickey Lolich | 195.3 | DET |
| +076+ | 2.55 | Tony Cloninger | 201.3 | ATL |
| +081+ | 2.43 | Steve Ridzik | 105 | TEX |
| +082+ | 2.43 | Claude Osteen | 216 | TEX |
| +084+ | 2.37 | Ron Herbel | 155 | SFN |
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