| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 6.49 | 196305150_PHI_LAN |
| Jim O'Toole | CIN | 4.66 | 196305160_CIN_CHN |
| Curt Simmons | SLN | 3.69 | 196305150_SLN_ATL |
| Ralph Terry | NYA | 3.62 | 196305150_MIN_NYA |
| Dick Donovan | CLE | 3.5 | 196305160_CHA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jay Hook | NYN | -8.83 | 196305160_NYN_SFN |
| Jack Hamilton | PHI | -1.64 | 196305170_PHI_HOU |
| Glen Hobbie | CHN | -1.32 | 196305150_CIN_CHN |
| Don Cardwell | PIT | -1.22 | 196305150_PIT_SFN |
| Ted Bowsfield | OAK | -1.14 | 196305170_OAK_BOS |
Based on accumulated WAA for this season up to 1963-05-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.98 | Sandy Koufax | 59 | LAN |
| +002+ | 2.94 | Dick Ellsworth | 49.7 | CHN |
| +008+ | 2.26 | Joe Nuxhall | 45 | CIN |
| +009+ | 2.25 | Steve Barber | 72.7 | BAL |
| +010+ | 2.2 | Curt Simmons | 56 | SLN |
| +011+ | 2.19 | Juan Pizarro | 50.3 | CHA |
| +013+ | 2.06 | Bob Buhl | 59.7 | CHN |
| +014+ | 2.03 | Larry Jackson | 72.3 | CHN |
| +016+ | 1.99 | Don Schwall | 40 | PIT |
| +019+ | 1.94 | Jim O'Toole | 69 | CIN |
| +017+ | 1.94 | Dave Morehead | 40.7 | BOS |
| +018+ | 1.94 | Earl Wilson | 59.3 | BOS |
| +023+ | 1.87 | Orlando Pena | 52 | OAK |
| +025+ | 1.75 | Ernie Broglio | 63.3 | SLN |
| +026+ | 1.72 | Ray Herbert | 49.7 | CHA |
| +027+ | 1.68 | Milt Pappas | 36.7 | BAL |
| +030+ | 1.63 | Jack Sanford | 71.7 | SFN |
| +033+ | 1.56 | Johnny Klippstein | 35.3 | PHI |
| +034+ | 1.55 | Carl Willey | 37 | NYN |
| +035+ | 1.52 | Denny Lemaster | 39.7 | ATL |
| +038+ | 1.48 | Dick Stigman | 49 | MIN |
| +042+ | 1.41 | Tom Cheney | 53.3 | TEX |
| +045+ | 1.26 | Jim Bouton | 44.3 | NYA |
| +046+ | 1.26 | Joe Gibbon | 31 | PIT |
| XXXXX | 1.2 | Al Jackson | 63.7 | NYN |
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