| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 17.58 | 196507260_SLN_SFN |
| Sandy Koufax | LAN | 9.57 | 196507240_SLN_LAN |
| Milt Pappas | BAL | 6.48 | 196507260_MIN_BAL |
| Joe Horlen | CHA | 3.26 | 196507240_CHA_DET |
| Sam McDowell | CLE | 2.9 | 196507240_NYA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -7.03 | 196507240_SLN_LAN |
| Galen Cisco | NYN | -2.85 | 196507251_PHI_NYN |
| Dave Morehead | BOS | -1.85 | 196507260_ANA_BOS |
| Diego Segui | OAK | -1.62 | 196507251_OAK_TEX |
| Buster Narum | TEX | -1.49 | 196507252_OAK_TEX |
Based on accumulated WAA for this season up to 1965-07-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.33 | Juan Marichal | 188 | SFN |
| +002+ | 6.86 | Sandy Koufax | 196 | LAN |
| +004+ | 5.43 | Milt Pappas | 141.3 | BAL |
| +006+ | 5.16 | Sam McDowell | 147 | CLE |
| +007+ | 5 | Vern Law | 144.7 | PIT |
| +019+ | 4.15 | George Brunet | 108 | ANA |
| +020+ | 4.03 | Jim Kaat | 157.3 | MIN |
| +021+ | 3.99 | Bob Shaw | 128.3 | SFN |
| +022+ | 3.82 | Mel Stottlemyre | 175 | NYA |
| +023+ | 3.76 | Don Drysdale | 194 | LAN |
| +024+ | 3.72 | Claude Osteen | 183.3 | LAN |
| +028+ | 3.44 | Turk Farrell | 135.7 | HOU |
| +038+ | 3 | Bob Gibson | 188.3 | SLN |
| +041+ | 2.84 | Sonny Siebert | 109.3 | CLE |
| +045+ | 2.63 | Jim Perry | 74.7 | MIN |
| +046+ | 2.55 | Marcelino Lopez | 146 | ANA |
| +048+ | 2.53 | Joe Horlen | 133 | CHA |
| +053+ | 2.46 | Jim Bunning | 159 | PHI |
| +054+ | 2.4 | Fred Newman | 164 | ANA |
| +057+ | 2.32 | Jim Maloney | 153.7 | CIN |
| +061+ | 2.23 | Steve Hamilton | 42 | NYA |
| +064+ | 2.21 | Pete Richert | 108 | TEX |
| +065+ | 2.16 | Denny McLain | 136.3 | DET |
| +070+ | 2.1 | Bobby Bolin | 78 | SFN |
| +072+ | 2.04 | Chris Short | 159 | PHI |
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