| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dean Chance | ANA | 10.01 | 196408290_DET_ANA |
| Jim Bunning | PHI | 6.44 | 196408280_PHI_PIT |
| Juan Pizarro | CHA | 6.28 | 196408290_CHA_BAL |
| Whitey Ford | NYA | 4.78 | 196408292_BOS_NYA |
| Jim O'Toole | CIN | 3.17 | 196408292_HOU_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Lamabe | BOS | -4.22 | 196408270_DET_BOS |
| Moe Drabowsky | OAK | -3.81 | 196408290_CLE_OAK |
| Phil Regan | DET | -2.3 | 196408282_DET_ANA |
| Art Mahaffey | PHI | -1 | 196408290_PHI_PIT |
| Mudcat Grant | MIN | -0.95 | 196408270_MIN_CHA |
Based on accumulated WAA for this season up to 1964-08-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.82 | Dean Chance | 219.7 | ANA |
| +002+ | 9.33 | Sandy Koufax | 223 | LAN |
| +005+ | 7.43 | Jim Bunning | 215.7 | PHI |
| +006+ | 7.16 | Chris Short | 160 | PHI |
| +008+ | 6.94 | Juan Pizarro | 206.7 | CHA |
| +009+ | 6.83 | Don Drysdale | 251.3 | LAN |
| +013+ | 6.01 | Whitey Ford | 196.3 | NYA |
| +022+ | 5.35 | Gary Peters | 220.3 | CHA |
| +026+ | 4.77 | Jim Bouton | 227.7 | NYA |
| +029+ | 4.46 | Juan Marichal | 198.7 | SFN |
| +031+ | 4.29 | Joe Horlen | 144.7 | CHA |
| +033+ | 4.06 | Jim O'Toole | 164.3 | CIN |
| +035+ | 3.99 | Bob Bruce | 159.3 | HOU |
| +041+ | 3.78 | Milt Pappas | 191 | BAL |
| +058+ | 2.92 | Ron Herbel | 154.7 | SFN |
| +062+ | 2.82 | Robin Roberts | 172 | BAL |
| +063+ | 2.78 | Wally Bunker | 159 | BAL |
| +071+ | 2.52 | Bob Veale | 209.3 | PIT |
| +073+ | 2.46 | Bobby Bolin | 144 | SFN |
| +074+ | 2.42 | Steve Ridzik | 105 | TEX |
| +075+ | 2.42 | Bob Miller | 111 | LAN |
| +076+ | 2.41 | Don Larsen | 80 | TOT |
| +078+ | 2.39 | Gaylord Perry | 140.7 | SFN |
| +090+ | 2.07 | Bob Purkey | 155.7 | CIN |
| +092+ | 1.97 | Jim Duffalo | 54.3 | SFN |
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