| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 10.39 | 196507070_LAN_CIN |
| Milt Pappas | BAL | 4.6 | 196507090_CHA_BAL |
| Bob Veale | PIT | 3.24 | 196507090_LAN_PIT |
| Jim Maloney | CIN | 2.79 | 196507090_ATL_CIN |
| Jim Kaat | MIN | 2.06 | 196507070_BOS_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Al Jackson | NYN | -2.71 | 196507070_CHN_NYN |
| Diego Segui | OAK | -2.17 | 196507080_BAL_OAK |
| Buster Narum | TEX | -1.9 | 196507092_BOS_TEX |
| Lew Burdette | PHI | -1.84 | 196507081_SFN_PHI |
| Earl Wilson | BOS | -1.75 | 196507092_BOS_TEX |
Based on accumulated WAA for this season up to 1965-07-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.21 | Juan Marichal | 159 | SFN |
| +003+ | 5.42 | Vern Law | 127 | PIT |
| +004+ | 5.26 | Sandy Koufax | 160 | LAN |
| +006+ | 5.08 | Milt Pappas | 124.3 | BAL |
| +012+ | 4.22 | Jim Kaat | 134.7 | MIN |
| +013+ | 3.96 | Sam McDowell | 120 | CLE |
| +015+ | 3.75 | Claude Osteen | 157 | LAN |
| +024+ | 3.14 | Bob Veale | 147.7 | PIT |
| +027+ | 3.06 | Turk Farrell | 119 | HOU |
| +030+ | 2.96 | Don Drysdale | 162.7 | LAN |
| +035+ | 2.87 | Marcelino Lopez | 125.3 | ANA |
| +037+ | 2.75 | Bob Gibson | 163 | SLN |
| +038+ | 2.71 | Mel Stottlemyre | 144 | NYA |
| +039+ | 2.69 | Jim Maloney | 133 | CIN |
| +042+ | 2.61 | Bobby Bolin | 71.3 | SFN |
| +043+ | 2.55 | George Brunet | 82 | ANA |
| +044+ | 2.54 | Pete Richert | 96.7 | TEX |
| +045+ | 2.46 | Joe Horlen | 111.7 | CHA |
| +046+ | 2.46 | Sonny Siebert | 87 | CLE |
| +047+ | 2.43 | Bob Shaw | 104.3 | SFN |
| +050+ | 2.41 | Ralph Terry | 119 | CLE |
| +055+ | 2.26 | Jim Bunning | 137.3 | PHI |
| +065+ | 1.88 | Claude Raymond | 73 | HOU |
| +073+ | 1.6 | Fred Newman | 140 | ANA |
| +076+ | 1.53 | Ray Culp | 81 | PHI |
_