| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 11.42 | 196307250_PIT_LAN |
| Dick Ellsworth | CHN | 4.48 | 196307240_CIN_CHN |
| Warren Spahn | ATL | 3.18 | 196307250_SLN_ATL |
| Whitey Ford | NYA | 2.32 | 196307240_ANA_NYA |
| Gary Peters | CHA | 1.68 | 196307240_CHA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Galen Cisco | NYN | -3.25 | 196307250_NYN_SFN |
| Barry Latman | CLE | -2.13 | 196307250_MIN_CLE |
| Dave Wickersham | OAK | -1.52 | 196307242_OAK_BOS |
| Bennie Daniels | TEX | -0.64 | 196307240_TEX_BAL |
| Joe Horlen | CHA | -0.55 | 196307250_CHA_DET |
Based on accumulated WAA for this season up to 1963-07-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.82 | Sandy Koufax | 185.7 | LAN |
| +003+ | 6.59 | Dick Ellsworth | 179.7 | CHN |
| +004+ | 6.3 | Bob Friend | 180.3 | PIT |
| +006+ | 6.04 | Juan Marichal | 189.3 | SFN |
| +008+ | 5.64 | Larry Jackson | 175.7 | CHN |
| +009+ | 5.09 | Jim O'Toole | 172 | CIN |
| +012+ | 4.77 | Juan Pizarro | 152.7 | CHA |
| +016+ | 4.04 | Ken McBride | 187.7 | ANA |
| +017+ | 3.96 | Gary Peters | 127 | CHA |
| +022+ | 3.52 | Denny Lemaster | 150 | ATL |
| +025+ | 3.45 | Joe Nuxhall | 129 | CIN |
| +027+ | 3.41 | Don Drysdale | 200.7 | LAN |
| +028+ | 3.38 | Steve Barber | 160.3 | BAL |
| +035+ | 3.06 | John Buzhardt | 126.3 | CHA |
| +043+ | 2.74 | Camilo Pascual | 126.7 | MIN |
| +044+ | 2.73 | Ray Culp | 144.3 | PHI |
| +045+ | 2.72 | Milt Pappas | 139.3 | BAL |
| +046+ | 2.71 | Warren Spahn | 155.7 | ATL |
| +047+ | 2.7 | Jim Bouton | 151 | NYA |
| +048+ | 2.63 | Don Schwall | 107 | PIT |
| +050+ | 2.54 | Jim Maloney | 153.7 | CIN |
| +052+ | 2.48 | Johnny Podres | 132 | LAN |
| +053+ | 2.47 | Tom Cheney | 128.7 | TEX |
| +060+ | 2.3 | Bobby Bolin | 78 | SFN |
| +061+ | 2.27 | Bob Buhl | 162.3 | CHN |
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