| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim O'Toole | CIN | 6.61 | 196305051_SLN_CIN |
| Whitey Ford | NYA | 5.71 | 196305060_NYA_DET |
| Sandy Koufax | LAN | 4.92 | 196305070_LAN_SLN |
| Curt Simmons | SLN | 3.12 | 196305052_SLN_CIN |
| Dick Donovan | CLE | 2.99 | 196305050_CLE_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Galen Cisco | NYN | -3.19 | 196305051_SFN_NYN |
| Ray Sadecki | SLN | -2.69 | 196305051_SLN_CIN |
| Jim Owens | CIN | -2.11 | 196305052_SLN_CIN |
| Bob Turley | ANA | -1.97 | 196305070_MIN_ANA |
| Jim Perry | MIN | -1.71 | 196305070_MIN_ANA |
Based on accumulated WAA for this season up to 1963-05-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.1 | Tom Cheney | 40 | TEX |
| +004+ | 1.9 | Curt Simmons | 42 | SLN |
| +005+ | 1.76 | Dick Ellsworth | 32.7 | CHN |
| +006+ | 1.74 | Sandy Koufax | 37.7 | LAN |
| +008+ | 1.7 | Ray Washburn | 47.3 | SLN |
| +010+ | 1.66 | Steve Barber | 54.7 | BAL |
| +013+ | 1.55 | Ed Rakow | 40.3 | OAK |
| +014+ | 1.5 | Jim O'Toole | 54 | CIN |
| +016+ | 1.45 | Juan Marichal | 51 | SFN |
| +021+ | 1.36 | Orlando Pena | 38 | OAK |
| +023+ | 1.32 | Juan Pizarro | 33.7 | CHA |
| +024+ | 1.32 | Bob Miller | 40.3 | LAN |
| +026+ | 1.31 | Warren Spahn | 44.7 | ATL |
| +028+ | 1.3 | Joe Gibbon | 16 | PIT |
| +029+ | 1.28 | Ernie Broglio | 44.7 | SLN |
| +030+ | 1.26 | Dave Morehead | 23.7 | BOS |
| +031+ | 1.25 | Joe Nuxhall | 28 | CIN |
| XXXXX | 1.17 | Milt Pappas | 25 | BAL |
| XXXXX | 1.16 | Al Jackson | 47.3 | NYN |
| XXXXX | 1.16 | Bob Buhl | 43.7 | CHN |
| XXXXX | 1.14 | Don Schwall | 24.3 | PIT |
| XXXXX | 1.02 | Dick Stigman | 41 | MIN |
| XXXXX | 1.02 | Jim Maloney | 38 | CIN |
| XXXXX | 1.02 | Jack Sanford | 56.3 | SFN |
| XXXXX | 0.91 | Larry Jackson | 56.3 | CHN |
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