| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 14.15 | 196509130_SFN_HOU |
| Sandy Koufax | LAN | 10.86 | 196509140_LAN_CHN |
| Sam McDowell | CLE | 7.07 | 196509140_CLE_BOS |
| Vern Law | PIT | 5.88 | 196509130_CIN_PIT |
| Milt Pappas | BAL | 3.22 | 196509142_DET_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -6.27 | 196509150_SLN_PIT |
| Jim O'Toole | CIN | -5.79 | 196509140_CIN_NYN |
| Bob Hendley | CHN | -2.19 | 196509140_LAN_CHN |
| Don Nottebart | HOU | -1.43 | 196509130_SFN_HOU |
| Jack Fisher | NYN | -0.48 | 196509150_CIN_NYN |
Based on accumulated WAA for this season up to 1965-09-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.93 | Juan Marichal | 271 | SFN |
| +003+ | 9.57 | Sandy Koufax | 296.7 | LAN |
| +007+ | 7.52 | Sam McDowell | 239.3 | CLE |
| +009+ | 6.84 | Vern Law | 217.3 | PIT |
| +015+ | 5.82 | Mel Stottlemyre | 266 | NYA |
| +018+ | 5.49 | Bob Shaw | 215 | SFN |
| +019+ | 5.4 | Jim Maloney | 233.3 | CIN |
| +024+ | 5.05 | Sonny Siebert | 161.7 | CLE |
| +025+ | 5 | Jim Bunning | 255.7 | PHI |
| +031+ | 4.62 | Milt Pappas | 200.7 | BAL |
| +045+ | 3.83 | Jim Kaat | 238.7 | MIN |
| +047+ | 3.79 | Bob Gibson | 267.3 | SLN |
| +049+ | 3.63 | Pete Richert | 163 | TEX |
| +053+ | 3.39 | George Brunet | 176.3 | ANA |
| +056+ | 3.28 | Marcelino Lopez | 215.3 | ANA |
| +057+ | 3.24 | Bob Veale | 242.7 | PIT |
| +061+ | 3.15 | Jim Perry | 152 | MIN |
| +064+ | 3.02 | Denny McLain | 190.3 | DET |
| +066+ | 3 | Claude Osteen | 249.7 | LAN |
| +070+ | 2.9 | Steve Barber | 187.3 | BAL |
| +071+ | 2.89 | Al McBean | 107.3 | PIT |
| +073+ | 2.87 | Don Drysdale | 276.3 | LAN |
| +078+ | 2.79 | Chris Short | 254.3 | PHI |
| +083+ | 2.69 | Joe Horlen | 203 | CHA |
| +085+ | 2.66 | Robin Roberts | 178.7 | TOT |
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