| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 14.29 | 196507020_SFN_CHN |
| Sandy Koufax | LAN | 9.27 | 196507030_LAN_HOU |
| Milt Pappas | BAL | 4.35 | 196507040_BAL_CLE |
| Joe Horlen | CHA | 3.25 | 196507020_CHA_ANA |
| Vern Law | PIT | 2.25 | 196507040_ATL_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Galen Cisco | NYN | -3.25 | 196507040_SLN_NYN |
| Bob Purkey | SLN | -3 | 196507040_SLN_NYN |
| Diego Segui | OAK | -2.06 | 196507030_MIN_OAK |
| Buster Narum | TEX | -1.8 | 196507040_DET_TEX |
| Dave Wickersham | DET | -1.51 | 196507040_DET_TEX |
Based on accumulated WAA for this season up to 1965-07-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.28 | Juan Marichal | 151 | SFN |
| +002+ | 5.92 | Sandy Koufax | 155.3 | LAN |
| +003+ | 5.32 | Vern Law | 121 | PIT |
| +009+ | 4.36 | Milt Pappas | 115.3 | BAL |
| +010+ | 4.22 | Jim Kaat | 129.3 | MIN |
| +011+ | 4.1 | Claude Osteen | 153.7 | LAN |
| +014+ | 3.66 | Don Drysdale | 156 | LAN |
| +016+ | 3.62 | Sam McDowell | 113.3 | CLE |
| +019+ | 3.38 | Mel Stottlemyre | 140 | NYA |
| +020+ | 3.31 | Turk Farrell | 111.3 | HOU |
| +034+ | 2.7 | George Brunet | 76 | ANA |
| +035+ | 2.66 | Bob Gibson | 150 | SLN |
| +038+ | 2.54 | Ralph Terry | 113 | CLE |
| +040+ | 2.5 | Jim Maloney | 115.3 | CIN |
| +041+ | 2.5 | Joe Horlen | 111.7 | CHA |
| +047+ | 2.3 | Sonny Siebert | 80 | CLE |
| +050+ | 2.26 | Bobby Bolin | 66.7 | SFN |
| +052+ | 2.12 | Pete Richert | 91.7 | TEX |
| +053+ | 2.08 | Bob Veale | 132.7 | PIT |
| +057+ | 1.92 | Bob Shaw | 95 | SFN |
| +059+ | 1.9 | Claude Raymond | 73 | HOU |
| +062+ | 1.85 | Ray Culp | 77 | PHI |
| +063+ | 1.8 | Marcelino Lopez | 112.3 | ANA |
| +068+ | 1.71 | Fred Newman | 131 | ANA |
| +075+ | 1.47 | Tracy Stallard | 99.7 | SLN |
_