| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 9.85 | 196506290_LAN_SFN |
| Milt Pappas | BAL | 4.28 | 196506290_DET_BAL |
| Joe Horlen | CHA | 4.26 | 196506290_CHA_MIN |
| Bob Veale | PIT | 3.75 | 196507010_SLN_PIT |
| Jim Maloney | CIN | 3.29 | 196507010_CIN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Hendley | CHN | -3.79 | 196507010_LAN_CHN |
| Al Jackson | NYN | -3.36 | 196507010_CIN_NYN |
| Buster Narum | TEX | -2.71 | 196506290_NYA_TEX |
| Bob Purkey | SLN | -2.5 | 196506290_SLN_PHI |
| Bo Belinsky | PHI | -1.68 | 196506290_SLN_PHI |
Based on accumulated WAA for this season up to 1965-07-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.54 | Juan Marichal | 142 | SFN |
| +002+ | 5.39 | Sandy Koufax | 146.3 | LAN |
| +003+ | 5.31 | Vern Law | 113 | PIT |
| +008+ | 4.31 | Jim Kaat | 124.7 | MIN |
| +009+ | 4.12 | Milt Pappas | 107.3 | BAL |
| +012+ | 3.94 | Claude Osteen | 146.7 | LAN |
| +015+ | 3.63 | Sam McDowell | 113.3 | CLE |
| +016+ | 3.58 | Don Drysdale | 147.3 | LAN |
| +018+ | 3.33 | Turk Farrell | 111.3 | HOU |
| +023+ | 3.07 | Mel Stottlemyre | 131 | NYA |
| +029+ | 2.71 | Joe Horlen | 106.7 | CHA |
| +034+ | 2.58 | Bob Gibson | 141 | SLN |
| +039+ | 2.51 | Jim Maloney | 115.3 | CIN |
| +042+ | 2.31 | Sonny Siebert | 80 | CLE |
| +043+ | 2.24 | George Brunet | 68 | ANA |
| +046+ | 2.22 | Ralph Terry | 104 | CLE |
| +047+ | 2.1 | Bob Veale | 132.7 | PIT |
| +056+ | 1.87 | Ray Culp | 77 | PHI |
| +060+ | 1.76 | Bob Shaw | 88 | SFN |
| +063+ | 1.75 | Fred Newman | 131 | ANA |
| +065+ | 1.68 | Pete Richert | 86.7 | TEX |
| +064+ | 1.68 | Bobby Bolin | 59.7 | SFN |
| +075+ | 1.47 | Sammy Ellis | 128 | CIN |
| +077+ | 1.44 | Jim Bunning | 119.3 | PHI |
| +080+ | 1.41 | Marcelino Lopez | 107.3 | ANA |
_