| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 10.86 | 196509140_LAN_CHN |
| Sam McDowell | CLE | 7.07 | 196509140_CLE_BOS |
| Bob Shaw | SFN | 3.46 | 196509150_SFN_HOU |
| Milt Pappas | BAL | 3.22 | 196509142_DET_BAL |
| Mel Stottlemyre | NYA | 3.05 | 196509150_NYA_TEX |
| 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 |
| Al Jackson | NYN | -1.37 | 196509160_CIN_NYN |
| Lew Burdette | PHI | -1.14 | 196509160_ATL_PHI |
Based on accumulated WAA for this season up to 1965-09-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.92 | Juan Marichal | 271 | SFN |
| +003+ | 9.64 | Sandy Koufax | 297.7 | LAN |
| +007+ | 7.52 | Sam McDowell | 239.3 | CLE |
| +009+ | 6.83 | Vern Law | 217.3 | PIT |
| +015+ | 5.81 | Mel Stottlemyre | 266 | NYA |
| +019+ | 5.48 | Bob Shaw | 215 | SFN |
| +020+ | 5.41 | Jim Maloney | 233.3 | CIN |
| +024+ | 5.05 | Sonny Siebert | 161.7 | CLE |
| +025+ | 4.98 | Jim Bunning | 255.7 | PHI |
| +032+ | 4.61 | Milt Pappas | 200.7 | BAL |
| +046+ | 3.82 | Jim Kaat | 238.7 | MIN |
| +047+ | 3.78 | Bob Gibson | 267.3 | SLN |
| +049+ | 3.64 | Claude Osteen | 257.7 | LAN |
| +050+ | 3.62 | Pete Richert | 163 | TEX |
| +055+ | 3.38 | George Brunet | 176.3 | ANA |
| +057+ | 3.27 | Marcelino Lopez | 215.3 | ANA |
| +058+ | 3.23 | Bob Veale | 242.7 | PIT |
| +060+ | 3.17 | Bobby Bolin | 146 | SFN |
| +062+ | 3.15 | Jim Perry | 152 | MIN |
| +066+ | 3.01 | Denny McLain | 190.3 | DET |
| +071+ | 2.89 | Steve Barber | 187.3 | BAL |
| +074+ | 2.86 | Don Drysdale | 276.3 | LAN |
| +077+ | 2.81 | Al McBean | 109 | PIT |
| +078+ | 2.77 | Chris Short | 254.3 | PHI |
| +084+ | 2.68 | Joe Horlen | 203 | CHA |
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