| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 10.9 | 196509250_SLN_LAN |
| Juan Marichal | SFN | 10.34 | 196509260_ATL_SFN |
| Mel Stottlemyre | NYA | 4.06 | 196509252_CHA_NYA |
| Jim Maloney | CIN | 3.71 | 196509250_CIN_HOU |
| Jim Bunning | PHI | 3.02 | 196509270_CHN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -5.55 | 196509260_SLN_LAN |
| Bob Hendley | CHN | -2.56 | 196509250_PIT_CHN |
| Lew Burdette | PHI | -2.1 | 196509260_NYN_PHI |
| Dennis Bennett | BOS | -1.03 | 196509260_BOS_OAK |
| Jack Kralick | CLE | -0.71 | 196509250_CLE_DET |
Based on accumulated WAA for this season up to 1965-09-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.98 | Sandy Koufax | 317.7 | LAN |
| +003+ | 9.25 | Juan Marichal | 288.3 | SFN |
| +006+ | 8.34 | Sam McDowell | 255 | CLE |
| +010+ | 6.67 | Vern Law | 217.3 | PIT |
| +014+ | 6.15 | Jim Maloney | 249.3 | CIN |
| +015+ | 6.05 | Mel Stottlemyre | 282 | NYA |
| +021+ | 5.5 | Jim Bunning | 282 | PHI |
| +025+ | 5.17 | Milt Pappas | 217 | BAL |
| +027+ | 5.14 | Bob Shaw | 227.7 | SFN |
| +037+ | 4.65 | George Brunet | 193 | ANA |
| +040+ | 4.45 | Pete Richert | 187 | TEX |
| +041+ | 4.31 | Sonny Siebert | 172.7 | CLE |
| +042+ | 4.29 | Don Drysdale | 299.3 | LAN |
| +046+ | 4.02 | Claude Osteen | 272.7 | LAN |
| +050+ | 3.88 | Denny McLain | 211.3 | DET |
| +053+ | 3.77 | Jim Kaat | 256 | MIN |
| +056+ | 3.52 | Chris Short | 273.3 | PHI |
| +058+ | 3.46 | Bob Veale | 258 | PIT |
| +060+ | 3.38 | Jim Perry | 161.7 | MIN |
| +061+ | 3.38 | Steve Barber | 202.7 | BAL |
| +064+ | 3.3 | Fred Newman | 252.7 | ANA |
| +069+ | 3.14 | Marcelino Lopez | 215.3 | ANA |
| +075+ | 2.97 | Bobby Bolin | 157.3 | SFN |
| +076+ | 2.94 | Robin Roberts | 183.7 | TOT |
| +077+ | 2.93 | Bob Gibson | 281.7 | SLN |
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