| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Friend | PIT | 7.57 | 196308080_ATL_PIT |
| Juan Marichal | SFN | 6.67 | 196308090_SFN_PHI |
| Larry Jackson | CHN | 5.83 | 196308100_CHN_NYN |
| Gary Peters | CHA | 3.24 | 196308080_CHA_OAK |
| Don Drysdale | LAN | 2.1 | 196308100_LAN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Donovan | CLE | -3.68 | 196308080_CLE_BAL |
| Al Jackson | NYN | -2.81 | 196308080_SLN_NYN |
| Ray Sadecki | SLN | -2.77 | 196308080_SLN_NYN |
| Paul Foytack | ANA | -1.87 | 196308080_MIN_ANA |
| Bennie Daniels | TEX | -1.72 | 196308100_BAL_TEX |
Based on accumulated WAA for this season up to 1963-08-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.41 | Sandy Koufax | 213 | LAN |
| +003+ | 7.24 | Juan Marichal | 223.3 | SFN |
| +004+ | 6.9 | Bob Friend | 203.7 | PIT |
| +005+ | 6.84 | Dick Ellsworth | 201.3 | CHN |
| +006+ | 6.74 | Larry Jackson | 208 | CHN |
| +010+ | 5.56 | Juan Pizarro | 176.3 | CHA |
| +012+ | 5.02 | Jim O'Toole | 185.7 | CIN |
| +014+ | 4.81 | Gary Peters | 151.3 | CHA |
| +023+ | 3.98 | Steve Barber | 190.7 | BAL |
| +024+ | 3.88 | Jim Bouton | 170.7 | NYA |
| +027+ | 3.56 | Ken McBride | 208.7 | ANA |
| +029+ | 3.44 | Jim Maloney | 176.7 | CIN |
| +031+ | 3.42 | Joe Nuxhall | 151 | CIN |
| +034+ | 3.4 | Milt Pappas | 163 | BAL |
| +036+ | 3.35 | Camilo Pascual | 151.7 | MIN |
| +044+ | 3.07 | Dick Stigman | 174 | MIN |
| +046+ | 3.05 | Warren Spahn | 164.7 | ATL |
| +049+ | 3.01 | John Buzhardt | 126.3 | CHA |
| +050+ | 2.95 | Johnny Podres | 150.7 | LAN |
| +051+ | 2.94 | Don Drysdale | 231 | LAN |
| +056+ | 2.74 | Tom Cheney | 131.7 | TEX |
| +060+ | 2.61 | Billy O'Dell | 168.3 | SFN |
| +064+ | 2.51 | Don Schwall | 129 | PIT |
| +065+ | 2.49 | Turk Farrell | 134.7 | HOU |
| +068+ | 2.47 | Ray Culp | 162 | PHI |
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