| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 8.62 | 196306050_LAN_HOU |
| Whitey Ford | NYA | 5.76 | 196306050_NYA_BAL |
| Bob Friend | PIT | 4.83 | 196306052_CIN_PIT |
| Warren Spahn | ATL | 3.56 | 196306050_ATL_NYN |
| Jim Bunning | DET | 2.28 | 196306050_DET_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jay Hook | NYN | -8.05 | 196306050_ATL_NYN |
| Jack Fisher | SFN | -2.64 | 196306051_SFN_CHN |
| Glen Hobbie | CHN | -1.41 | 196306052_SFN_CHN |
| Bob Turley | ANA | -0.99 | 196306030_CHA_ANA |
| Barry Latman | CLE | -0.63 | 196306040_DET_CLE |
Based on accumulated WAA for this season up to 1963-06-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.26 | Sandy Koufax | 93.3 | LAN |
| +002+ | 4.06 | Dick Ellsworth | 89.7 | CHN |
| +006+ | 3.26 | Denny Lemaster | 68.3 | ATL |
| +007+ | 3.21 | Larry Jackson | 97.3 | CHN |
| +011+ | 2.92 | Don Schwall | 59 | PIT |
| +018+ | 2.47 | Bob Buhl | 93.3 | CHN |
| +019+ | 2.44 | Steve Barber | 105 | BAL |
| +021+ | 2.39 | Jim O'Toole | 94.7 | CIN |
| +022+ | 2.38 | Tom Cheney | 84.7 | TEX |
| +024+ | 2.29 | Bob Friend | 95 | PIT |
| +026+ | 2.18 | John Buzhardt | 77.3 | CHA |
| +029+ | 1.99 | Juan Pizarro | 72.3 | CHA |
| +031+ | 1.96 | Carl Willey | 73 | NYN |
| +030+ | 1.96 | Jim Bouton | 68 | NYA |
| +037+ | 1.71 | Jack Sanford | 104.7 | SFN |
| +038+ | 1.71 | Milt Pappas | 62.3 | BAL |
| +048+ | 1.48 | Ray Culp | 77.3 | PHI |
| +051+ | 1.39 | Curt Simmons | 80 | SLN |
| +054+ | 1.34 | Turk Farrell | 82.7 | HOU |
| +057+ | 1.29 | Cal McLish | 75 | PHI |
| +059+ | 1.25 | Jim Maloney | 73.3 | CIN |
| XXXXX | 1.24 | Camilo Pascual | 91.7 | MIN |
| XXXXX | 1.21 | Ernie Broglio | 83 | SLN |
| XXXXX | 1.2 | Robin Roberts | 79.3 | BAL |
| XXXXX | 1.18 | Ken McBride | 100.3 | ANA |
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