| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim O'Toole | CIN | 5.24 | 196306020_LAN_CIN |
| Ralph Terry | NYA | 4.03 | 196306040_NYA_BAL |
| Don Drysdale | LAN | 2.55 | 196306030_LAN_HOU |
| Camilo Pascual | MIN | 2.22 | 196306030_MIN_OAK |
| Steve Barber | BAL | 1.88 | 196306040_NYA_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Craig | NYN | -3.21 | 196306021_PIT_NYN |
| Sam McDowell | CLE | -1.67 | 196306022_NYA_CLE |
| Ted Bowsfield | OAK | -1.59 | 196306020_TEX_OAK |
| Bob Turley | ANA | -0.99 | 196306030_CHA_ANA |
| Bennie Daniels | TEX | -0.87 | 196306020_TEX_OAK |
Based on accumulated WAA for this season up to 1963-06-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.55 | Dick Ellsworth | 82.7 | CHN |
| +003+ | 3.75 | Sandy Koufax | 84.3 | LAN |
| +006+ | 3.27 | Denny Lemaster | 68.3 | ATL |
| +007+ | 3.21 | Larry Jackson | 97.3 | CHN |
| +011+ | 2.93 | Don Schwall | 59 | PIT |
| +017+ | 2.47 | Bob Buhl | 93.3 | CHN |
| +019+ | 2.44 | Steve Barber | 105 | BAL |
| +022+ | 2.38 | Tom Cheney | 84.7 | TEX |
| +023+ | 2.36 | Jim O'Toole | 94.7 | CIN |
| +024+ | 2.27 | Bob Friend | 87 | PIT |
| +028+ | 1.98 | Juan Pizarro | 72.3 | CHA |
| +029+ | 1.97 | Carl Willey | 73 | NYN |
| +031+ | 1.97 | Jim Bouton | 68 | NYA |
| +032+ | 1.95 | Jack Sanford | 97.7 | SFN |
| +039+ | 1.74 | Milt Pappas | 55 | BAL |
| +043+ | 1.5 | Joe Nuxhall | 69 | CIN |
| +048+ | 1.45 | John Buzhardt | 68.3 | CHA |
| +050+ | 1.42 | Curt Simmons | 75.3 | SLN |
| +053+ | 1.34 | Turk Farrell | 82.7 | HOU |
| +057+ | 1.29 | Cal McLish | 75 | PHI |
| XXXXX | 1.24 | Camilo Pascual | 91.7 | MIN |
| XXXXX | 1.23 | Jim Maloney | 73.3 | CIN |
| XXXXX | 1.2 | Robin Roberts | 79.3 | BAL |
| XXXXX | 1.19 | Ernie Broglio | 83 | SLN |
| XXXXX | 1.17 | Joe Gibbon | 42.7 | PIT |
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