| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 5.71 | 196305060_NYA_DET |
| Sandy Koufax | LAN | 4.92 | 196305070_LAN_SLN |
| Bob Friend | PIT | 2.53 | 196305060_LAN_PIT |
| Bob Purkey | CIN | 2.42 | 196305070_HOU_CIN |
| Jim Bunning | DET | 2.17 | 196305080_NYA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jay Hook | NYN | -8.06 | 196305080_PHI_NYN |
| Bob Turley | ANA | -1.97 | 196305070_MIN_ANA |
| Jim Perry | MIN | -1.71 | 196305070_MIN_ANA |
| Ted Bowsfield | OAK | -1.64 | 196305060_CHA_OAK |
| Don Cardwell | PIT | -1.39 | 196305070_PIT_CHN |
Based on accumulated WAA for this season up to 1963-05-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.1 | Tom Cheney | 40 | TEX |
| +005+ | 1.96 | Curt Simmons | 42 | SLN |
| +006+ | 1.83 | Joe Nuxhall | 37 | CIN |
| +007+ | 1.8 | Dick Ellsworth | 32.7 | CHN |
| +009+ | 1.79 | Sandy Koufax | 37.7 | LAN |
| +008+ | 1.79 | Bob Buhl | 50.7 | CHN |
| +010+ | 1.76 | Ray Washburn | 47.3 | SLN |
| +014+ | 1.62 | Steve Barber | 63.7 | BAL |
| +016+ | 1.57 | Jim O'Toole | 54 | CIN |
| +017+ | 1.52 | Juan Marichal | 51 | SFN |
| +018+ | 1.49 | Joe Gibbon | 18 | PIT |
| +020+ | 1.41 | Orlando Pena | 38 | OAK |
| +021+ | 1.37 | Juan Pizarro | 33.7 | CHA |
| +022+ | 1.37 | Warren Spahn | 44.7 | ATL |
| +029+ | 1.3 | Dave Morehead | 23.7 | BOS |
| XXXXX | 1.22 | Al Jackson | 47.3 | NYN |
| XXXXX | 1.2 | Milt Pappas | 25 | BAL |
| XXXXX | 1.18 | Don Schwall | 24.3 | PIT |
| XXXXX | 1.1 | Jack Sanford | 56.3 | SFN |
| XXXXX | 1.09 | Dick Stigman | 41 | MIN |
| XXXXX | 1.07 | Jim Maloney | 38 | CIN |
| XXXXX | 1.04 | Bob Miller | 44 | LAN |
| XXXXX | 0.99 | Larry Jackson | 56.3 | CHN |
| XXXXX | 0.98 | Earl Wilson | 40.3 | BOS |
| XXXXX | 0.94 | Billy O'Dell | 35.7 | SFN |
_