| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 16.68 | 196508140_PHI_SFN |
| Sandy Koufax | LAN | 9.91 | 196508140_PIT_LAN |
| Vern Law | PIT | 4.51 | 196508122_PIT_SFN |
| Sam McDowell | CLE | 4.29 | 196508140_MIN_CLE |
| Jim Bunning | PHI | 3.31 | 196508140_PHI_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -5.26 | 196508140_CIN_SLN |
| Diego Segui | OAK | -1.96 | 196508120_OAK_DET |
| Dave Morehead | BOS | -1.71 | 196508120_BAL_BOS |
| Denny Lemaster | ATL | -1.53 | 196508130_ATL_CHN |
| Galen Cisco | NYN | -1.26 | 196508140_NYN_HOU |
Based on accumulated WAA for this season up to 1965-08-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.37 | Juan Marichal | 225 | SFN |
| +002+ | 8.35 | Sandy Koufax | 241 | LAN |
| +003+ | 7 | Vern Law | 178.7 | PIT |
| +006+ | 6.1 | Sam McDowell | 185.3 | CLE |
| +015+ | 4.88 | Jim Bunning | 199 | PHI |
| +017+ | 4.78 | Claude Osteen | 208 | LAN |
| +020+ | 4.61 | Bob Shaw | 158 | SFN |
| +021+ | 4.49 | Sonny Siebert | 133.7 | CLE |
| +024+ | 4.42 | Milt Pappas | 158.7 | BAL |
| +027+ | 4.31 | George Brunet | 130 | ANA |
| +030+ | 4.17 | Mel Stottlemyre | 207 | NYA |
| +031+ | 4.02 | Don Drysdale | 221.7 | LAN |
| +036+ | 3.78 | Marcelino Lopez | 175.7 | ANA |
| +040+ | 3.5 | Jim Kaat | 188 | MIN |
| +047+ | 3.14 | Bob Gibson | 212.3 | SLN |
| +048+ | 3.13 | Pete Richert | 136 | TEX |
| +050+ | 2.96 | Turk Farrell | 163.7 | HOU |
| +051+ | 2.92 | Bob Veale | 195.3 | PIT |
| +053+ | 2.91 | Jim Maloney | 176 | CIN |
| +054+ | 2.85 | Jim Perry | 104.7 | MIN |
| +060+ | 2.59 | Chris Short | 196.7 | PHI |
| +069+ | 2.34 | Al McBean | 81.7 | PIT |
| +071+ | 2.31 | Bobby Bolin | 90.3 | SFN |
| +072+ | 2.29 | Joe Horlen | 160.3 | CHA |
| +073+ | 2.22 | Steve Hamilton | 47 | NYA |
_