| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 11.97 | 196509290_CIN_LAN |
| Juan Marichal | SFN | 9.93 | 196509300_CIN_SFN |
| Sam McDowell | CLE | 8.29 | 196509290_NYA_CLE |
| Jim Maloney | CIN | 4.48 | 196509290_CIN_LAN |
| Milt Pappas | BAL | 3.22 | 196509300_MIN_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim O'Toole | CIN | -6.87 | 196509280_CIN_LAN |
| Bob Hendley | CHN | -2.6 | 196509290_CHN_PHI |
| Diego Segui | OAK | -1.88 | 196509290_OAK_TEX |
| Jack Lamabe | HOU | -1.17 | 196509290_ATL_HOU |
| Dave Morehead | BOS | -1 | 196509280_ANA_BOS |
Based on accumulated WAA for this season up to 1965-09-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.64 | Sandy Koufax | 326.7 | LAN |
| +003+ | 9.39 | Juan Marichal | 295.3 | SFN |
| +005+ | 8.44 | Sam McDowell | 264 | CLE |
| +011+ | 6.63 | Vern Law | 217.3 | PIT |
| +015+ | 6.07 | Mel Stottlemyre | 282 | NYA |
| +017+ | 5.78 | Jim Maloney | 255.3 | CIN |
| +021+ | 5.48 | Jim Bunning | 282 | PHI |
| +032+ | 4.96 | Don Drysdale | 308.3 | LAN |
| +033+ | 4.89 | Bob Shaw | 235 | SFN |
| +037+ | 4.65 | George Brunet | 193 | ANA |
| +040+ | 4.46 | Milt Pappas | 221.3 | BAL |
| +041+ | 4.44 | Pete Richert | 187 | TEX |
| +042+ | 4.35 | Claude Osteen | 280 | LAN |
| +045+ | 4.25 | Sonny Siebert | 179.7 | CLE |
| +047+ | 4.08 | Jim Kaat | 262.3 | MIN |
| +051+ | 3.86 | Denny McLain | 211.3 | DET |
| +052+ | 3.83 | Chris Short | 282.3 | PHI |
| +055+ | 3.75 | Fred Newman | 260.7 | ANA |
| +063+ | 3.46 | Steve Barber | 211.7 | BAL |
| +064+ | 3.41 | Bob Veale | 258 | PIT |
| +067+ | 3.29 | Jim Perry | 165.7 | MIN |
| +071+ | 3.14 | Marcelino Lopez | 215.3 | ANA |
| +074+ | 3.04 | Al McBean | 113 | PIT |
| +077+ | 2.96 | Bobby Bolin | 157.3 | SFN |
| +078+ | 2.94 | Robin Roberts | 183.7 | TOT |
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