| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 16.68 | 196508140_PHI_SFN |
| Sandy Koufax | LAN | 9.91 | 196508140_PIT_LAN |
| Sam McDowell | CLE | 4.29 | 196508140_MIN_CLE |
| Jim Bunning | PHI | 3.31 | 196508140_PHI_SFN |
| Milt Pappas | BAL | 3.09 | 196508140_TEX_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -5.26 | 196508140_CIN_SLN |
| Al Jackson | NYN | -1.63 | 196508150_NYN_HOU |
| Denny Lemaster | ATL | -1.53 | 196508130_ATL_CHN |
| Don Nottebart | HOU | -1.17 | 196508130_NYN_HOU |
| Tommie Sisk | PIT | -0.99 | 196508150_PIT_LAN |
Based on accumulated WAA for this season up to 1965-08-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.42 | Juan Marichal | 225 | SFN |
| +002+ | 8.41 | Sandy Koufax | 241 | LAN |
| +003+ | 7.04 | Vern Law | 178.7 | PIT |
| +007+ | 6.11 | Sam McDowell | 185.3 | CLE |
| +014+ | 4.94 | Jim Bunning | 199 | PHI |
| +018+ | 4.84 | Claude Osteen | 208 | LAN |
| +021+ | 4.64 | Bob Shaw | 158 | SFN |
| +022+ | 4.5 | Sonny Siebert | 133.7 | CLE |
| +023+ | 4.46 | Milt Pappas | 158.7 | BAL |
| +029+ | 4.18 | Mel Stottlemyre | 214 | NYA |
| +033+ | 3.94 | Don Drysdale | 227.7 | LAN |
| +037+ | 3.84 | Marcelino Lopez | 175.7 | ANA |
| +038+ | 3.77 | George Brunet | 133 | ANA |
| +042+ | 3.53 | Jim Kaat | 188 | MIN |
| +043+ | 3.48 | Pete Richert | 144.7 | TEX |
| +048+ | 3 | Turk Farrell | 163.7 | HOU |
| +051+ | 2.96 | Bob Veale | 195.3 | PIT |
| +052+ | 2.96 | Jim Maloney | 176 | CIN |
| +054+ | 2.86 | Jim Perry | 104.7 | MIN |
| +060+ | 2.65 | Chris Short | 196.7 | PHI |
| +065+ | 2.57 | Steve Hamilton | 51 | NYA |
| +066+ | 2.55 | Al McBean | 84 | PIT |
| +070+ | 2.33 | Joe Horlen | 160.3 | CHA |
| +072+ | 2.3 | Bob Gibson | 219.3 | SLN |
| +079+ | 2.18 | Fred Newman | 190.7 | ANA |
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