| Starter | Tm | Tier | Game |
|---|---|---|---|
| Milt Pappas | BAL | 5.16 | 196508060_BAL_OAK |
| Vern Law | PIT | 4.44 | 196508070_PIT_PHI |
| Bob Shaw | SFN | 3.89 | 196508070_SFN_SLN |
| Don Drysdale | LAN | 3.48 | 196508080_LAN_CIN |
| Sonny Siebert | CLE | 2.5 | 196508080_CLE_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -5.64 | 196508060_SFN_SLN |
| Galen Cisco | NYN | -1.91 | 196508070_CHN_NYN |
| Denny Lemaster | ATL | -1.76 | 196508082_HOU_ATL |
| Diego Segui | OAK | -1.73 | 196508081_BAL_OAK |
| Dave Morehead | BOS | -1.67 | 196508080_BOS_MIN |
Based on accumulated WAA for this season up to 1965-08-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.49 | Juan Marichal | 207 | SFN |
| +002+ | 7.59 | Sandy Koufax | 222 | LAN |
| +003+ | 6.77 | Vern Law | 169.7 | PIT |
| +004+ | 6.59 | Sam McDowell | 172 | CLE |
| +014+ | 4.82 | Bob Shaw | 151.7 | SFN |
| +017+ | 4.73 | Milt Pappas | 148.3 | BAL |
| +020+ | 4.52 | Sonny Siebert | 132.7 | CLE |
| +021+ | 4.44 | George Brunet | 123 | ANA |
| +023+ | 4.41 | Claude Osteen | 199 | LAN |
| +028+ | 4.1 | Jim Bunning | 183 | PHI |
| +031+ | 3.88 | Bob Gibson | 206.3 | SLN |
| +036+ | 3.58 | Mel Stottlemyre | 198 | NYA |
| +039+ | 3.45 | Don Drysdale | 212.7 | LAN |
| +042+ | 3.34 | Marcelino Lopez | 161.7 | ANA |
| +047+ | 3.13 | Jim Maloney | 169.7 | CIN |
| +048+ | 3.07 | Bob Veale | 188.3 | PIT |
| +049+ | 3.05 | Turk Farrell | 155.7 | HOU |
| +050+ | 3.02 | Jim Kaat | 173.7 | MIN |
| +051+ | 2.9 | Jim Perry | 99.7 | MIN |
| +053+ | 2.86 | Pete Richert | 129 | TEX |
| +055+ | 2.74 | Joe Horlen | 154.3 | CHA |
| +059+ | 2.63 | Chris Short | 188 | PHI |
| +060+ | 2.63 | Mike McCormick | 121.3 | TEX |
| +066+ | 2.39 | Al McBean | 81.7 | PIT |
| +072+ | 2.21 | Bobby Bolin | 88.3 | SFN |
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