| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 9.46 | 196508260_LAN_NYN |
| Bob Shaw | SFN | 4.37 | 196508240_SFN_PIT |
| Milt Pappas | BAL | 3.91 | 196508250_BAL_CHA |
| Jim Bunning | PHI | 2.97 | 196508260_HOU_PHI |
| Mel Stottlemyre | NYA | 2.87 | 196508240_NYA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -5.71 | 196508240_CHN_SLN |
| Dave Morehead | BOS | -2.21 | 196508260_TEX_BOS |
| Phil Ortega | TEX | -1.59 | 196508260_TEX_BOS |
| Al Jackson | NYN | -1.52 | 196508240_LAN_NYN |
| Don Nottebart | HOU | -1.1 | 196508240_HOU_PHI |
Based on accumulated WAA for this season up to 1965-08-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.81 | Juan Marichal | 237 | SFN |
| +002+ | 8.27 | Sandy Koufax | 263 | LAN |
| +004+ | 7.07 | Vern Law | 195.3 | PIT |
| +008+ | 6.11 | Sam McDowell | 197 | CLE |
| +011+ | 5.45 | Milt Pappas | 175.7 | BAL |
| +013+ | 5.33 | Bob Shaw | 183 | SFN |
| +012+ | 5.33 | Mel Stottlemyre | 232 | NYA |
| +022+ | 4.64 | George Brunet | 152.7 | ANA |
| +026+ | 4.51 | Sonny Siebert | 135.7 | CLE |
| +031+ | 4.24 | Marcelino Lopez | 192.3 | ANA |
| +032+ | 4.19 | Jim Bunning | 220.7 | PHI |
| +033+ | 4.1 | Jim Kaat | 211.7 | MIN |
| +034+ | 4.05 | Jim Maloney | 194 | CIN |
| +039+ | 3.75 | Don Drysdale | 246.3 | LAN |
| +042+ | 3.64 | Claude Osteen | 224.7 | LAN |
| +044+ | 3.51 | Pete Richert | 144.7 | TEX |
| +045+ | 3.42 | Chris Short | 219 | PHI |
| +050+ | 3.36 | Denny McLain | 180.3 | DET |
| +053+ | 3.2 | Jim Perry | 118.3 | MIN |
| +060+ | 2.94 | Bobby Bolin | 111.3 | SFN |
| +065+ | 2.75 | Bob Veale | 214.3 | PIT |
| +078+ | 2.37 | Al McBean | 95 | PIT |
| +082+ | 2.25 | Bob Gibson | 235.3 | SLN |
| +087+ | 2.11 | Robin Roberts | 147.7 | TOT |
| +089+ | 2.04 | Joe Horlen | 172.3 | CHA |
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