| 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 |
| Larry Jackson | CHN | 2.3 | 196306060_SFN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jay Hook | NYN | -8.05 | 196306050_ATL_NYN |
| Gene Conley | BOS | -3.41 | 196306060_BOS_TEX |
| Jack Fisher | SFN | -2.64 | 196306051_SFN_CHN |
| Glen Hobbie | CHN | -1.41 | 196306052_SFN_CHN |
| Chris Short | PHI | -0.83 | 196306060_SLN_PHI |
Based on accumulated WAA for this season up to 1963-06-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.27 | Sandy Koufax | 93.3 | LAN |
| +003+ | 4.06 | Dick Ellsworth | 89.7 | CHN |
| +006+ | 3.43 | Larry Jackson | 105.3 | CHN |
| +007+ | 3.26 | Denny Lemaster | 68.3 | ATL |
| +017+ | 2.46 | Bob Buhl | 93.3 | CHN |
| +018+ | 2.45 | Steve Barber | 105 | BAL |
| +019+ | 2.39 | Jim O'Toole | 94.7 | CIN |
| +020+ | 2.39 | Tom Cheney | 84.7 | TEX |
| +024+ | 2.3 | Bob Friend | 95 | PIT |
| +025+ | 2.19 | John Buzhardt | 77.3 | CHA |
| +027+ | 2.05 | Don Schwall | 63.7 | PIT |
| +030+ | 2 | Juan Pizarro | 72.3 | CHA |
| +031+ | 1.97 | Carl Willey | 73 | NYN |
| +033+ | 1.81 | Jim Bouton | 71 | NYA |
| +038+ | 1.72 | Jack Sanford | 104.7 | SFN |
| +039+ | 1.71 | Milt Pappas | 62.3 | BAL |
| +049+ | 1.49 | Ray Culp | 77.3 | PHI |
| +051+ | 1.4 | Curt Simmons | 80 | SLN |
| +055+ | 1.38 | Robin Roberts | 86.7 | BAL |
| +057+ | 1.35 | Turk Farrell | 82.7 | HOU |
| +060+ | 1.32 | Dallas Green | 29 | PHI |
| +061+ | 1.3 | Cal McLish | 75 | PHI |
| XXXXX | 1.25 | Camilo Pascual | 91.7 | MIN |
| XXXXX | 1.22 | Ernie Broglio | 83 | SLN |
| XXXXX | 1.19 | Ken McBride | 100.3 | ANA |
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