| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 16.74 | 196507310_SFN_ATL |
| Don Drysdale | LAN | 3.78 | 196507310_LAN_SLN |
| Mel Stottlemyre | NYA | 2.18 | 196507290_DET_NYA |
| Chris Short | PHI | 1.95 | 196507310_NYN_PHI |
| Jim Maloney | CIN | 1.95 | 196507310_HOU_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Galen Cisco | NYN | -2.52 | 196507291_NYN_CHN |
| Lew Burdette | PHI | -2.26 | 196507300_NYN_PHI |
| Denny Lemaster | ATL | -1.99 | 196507310_SFN_ATL |
| Diego Segui | OAK | -1.95 | 196507290_OAK_BOS |
| Dave Morehead | BOS | -1.93 | 196507300_BOS_ANA |
Based on accumulated WAA for this season up to 1965-07-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.11 | Juan Marichal | 197 | SFN |
| +002+ | 6.93 | Sandy Koufax | 204 | LAN |
| +003+ | 5.94 | Vern Law | 156.7 | PIT |
| +007+ | 5.44 | Milt Pappas | 141.3 | BAL |
| +009+ | 5.34 | Sam McDowell | 154 | CLE |
| +013+ | 4.55 | Bob Shaw | 137.3 | SFN |
| +019+ | 4.16 | George Brunet | 108 | ANA |
| +022+ | 3.96 | Mel Stottlemyre | 184 | NYA |
| +023+ | 3.92 | Claude Osteen | 190.3 | LAN |
| +025+ | 3.67 | Don Drysdale | 202.7 | LAN |
| +029+ | 3.5 | Sonny Siebert | 117 | CLE |
| +034+ | 3.4 | Jim Kaat | 162.3 | MIN |
| +037+ | 3.16 | Bob Gibson | 197.3 | SLN |
| +039+ | 3.03 | Jim Bunning | 167 | PHI |
| +043+ | 2.9 | Turk Farrell | 141.3 | HOU |
| +051+ | 2.51 | Marcelino Lopez | 152.7 | ANA |
| +057+ | 2.39 | Fred Newman | 171 | ANA |
| +060+ | 2.36 | Pete Richert | 114.7 | TEX |
| +061+ | 2.36 | Chris Short | 174 | PHI |
| +062+ | 2.35 | Joe Horlen | 140.3 | CHA |
| +067+ | 2.31 | Jim Maloney | 160.7 | CIN |
| +066+ | 2.31 | Jim Perry | 86 | MIN |
| +069+ | 2.11 | Bobby Bolin | 78 | SFN |
| +075+ | 2.04 | Claude Raymond | 84.3 | HOU |
| +078+ | 1.97 | Ray Culp | 104 | PHI |
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