| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 13.48 | 196509050_SFN_CHN |
| Sandy Koufax | LAN | 10 | 196509050_LAN_HOU |
| Sam McDowell | CLE | 5.97 | 196509040_CLE_BAL |
| Jim Bunning | PHI | 3.38 | 196509040_PHI_CIN |
| Jim Maloney | CIN | 3.23 | 196509062_PIT_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Bouton | NYA | -2.7 | 196509041_BOS_NYA |
| Phil Ortega | TEX | -2.12 | 196509052_TEX_DET |
| John Tsitouris | CIN | -1.69 | 196509040_PHI_CIN |
| Dave Morehead | BOS | -1.33 | 196509041_BOS_NYA |
| Bob Buhl | CHN | -1.24 | 196509040_SFN_CHN |
Based on accumulated WAA for this season up to 1965-09-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.77 | Juan Marichal | 253 | SFN |
| +002+ | 8.62 | Sandy Koufax | 281.7 | LAN |
| +005+ | 7.4 | Sam McDowell | 223.3 | CLE |
| +007+ | 7.01 | Vern Law | 208.3 | PIT |
| +016+ | 5.18 | Sonny Siebert | 149.3 | CLE |
| +017+ | 5.13 | Bob Shaw | 194.3 | SFN |
| +021+ | 4.84 | Mel Stottlemyre | 248 | NYA |
| +029+ | 4.6 | Jim Bunning | 239 | PHI |
| +028+ | 4.6 | Jim Maloney | 215.3 | CIN |
| +030+ | 4.59 | Milt Pappas | 189.3 | BAL |
| +035+ | 4.36 | George Brunet | 166 | ANA |
| +044+ | 3.76 | Jim Kaat | 224 | MIN |
| +047+ | 3.63 | Bob Gibson | 253.7 | SLN |
| +050+ | 3.59 | Marcelino Lopez | 211.7 | ANA |
| +051+ | 3.56 | Jim Perry | 141 | MIN |
| +052+ | 3.5 | Pete Richert | 158 | TEX |
| +053+ | 3.37 | Denny McLain | 186.3 | DET |
| +058+ | 3.14 | Joe Horlen | 194.3 | CHA |
| +063+ | 3.03 | Claude Osteen | 234 | LAN |
| +070+ | 2.9 | Bob Veale | 230 | PIT |
| +074+ | 2.84 | Al McBean | 106.3 | PIT |
| +078+ | 2.78 | Don Drysdale | 269.3 | LAN |
| +085+ | 2.46 | Bobby Bolin | 121.3 | SFN |
| +087+ | 2.33 | Steve Barber | 172 | BAL |
| +088+ | 2.32 | Joe Sparma | 141 | DET |
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