| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vern Law | PIT | 4.77 | 196508230_SFN_PIT |
| Bob Shaw | SFN | 4.37 | 196508240_SFN_PIT |
| Milt Pappas | BAL | 3.91 | 196508250_BAL_CHA |
| Mel Stottlemyre | NYA | 2.87 | 196508240_NYA_MIN |
| Don Drysdale | LAN | 2.64 | 196508230_LAN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -5.71 | 196508240_CHN_SLN |
| Al Jackson | NYN | -1.52 | 196508240_LAN_NYN |
| Earl Wilson | BOS | -1.19 | 196508250_TEX_BOS |
| Denny Lemaster | ATL | -1.1 | 196508250_CIN_ATL |
| Don Nottebart | HOU | -1.1 | 196508240_HOU_PHI |
Based on accumulated WAA for this season up to 1965-08-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.76 | Juan Marichal | 237 | SFN |
| +002+ | 8.09 | Sandy Koufax | 256 | LAN |
| +004+ | 7.06 | Vern Law | 195.3 | PIT |
| +007+ | 6.1 | Sam McDowell | 197 | CLE |
| +011+ | 5.44 | Milt Pappas | 175.7 | BAL |
| +012+ | 5.3 | Mel Stottlemyre | 232 | NYA |
| +013+ | 5.29 | Bob Shaw | 183 | SFN |
| +024+ | 4.63 | George Brunet | 152.7 | ANA |
| +025+ | 4.5 | Sonny Siebert | 135.7 | CLE |
| +026+ | 4.44 | Jim Bunning | 213.7 | PHI |
| +029+ | 4.23 | Marcelino Lopez | 192.3 | ANA |
| +033+ | 4.05 | Jim Maloney | 194 | CIN |
| +037+ | 3.75 | Jim Kaat | 202.7 | MIN |
| +039+ | 3.72 | Don Drysdale | 246.3 | LAN |
| +042+ | 3.61 | Claude Osteen | 224.7 | LAN |
| +043+ | 3.5 | Pete Richert | 144.7 | TEX |
| +045+ | 3.41 | Chris Short | 219 | PHI |
| +048+ | 3.34 | Denny McLain | 180.3 | DET |
| +052+ | 3.2 | Jim Perry | 118.3 | MIN |
| +060+ | 2.92 | Bobby Bolin | 111.3 | SFN |
| +066+ | 2.66 | Al McBean | 91 | PIT |
| +077+ | 2.24 | Bob Gibson | 235.3 | SLN |
| +078+ | 2.23 | Robin Roberts | 141.7 | TOT |
| +085+ | 2.03 | Joe Horlen | 172.3 | CHA |
| +087+ | 2.02 | Turk Farrell | 174 | HOU |
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