| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 12.72 | 196509220_LAN_ATL |
| Juan Marichal | SFN | 12.31 | 196509220_SFN_CIN |
| Mel Stottlemyre | NYA | 3.58 | 196509210_CLE_NYA |
| Jim Maloney | CIN | 3.38 | 196509200_SFN_CIN |
| Milt Pappas | BAL | 2.78 | 196509210_BAL_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -6.31 | 196509210_HOU_SLN |
| Jim O'Toole | CIN | -5.52 | 196509210_SFN_CIN |
| Al Jackson | NYN | -1.37 | 196509210_NYN_PIT |
| Jerry Stephenson | BOS | -1.08 | 196509222_BOS_ANA |
| Denny Lemaster | ATL | -1.07 | 196509210_LAN_ATL |
Based on accumulated WAA for this season up to 1965-09-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.42 | Juan Marichal | 281.3 | SFN |
| +003+ | 9.37 | Sandy Koufax | 308.7 | LAN |
| +007+ | 7.91 | Sam McDowell | 246 | CLE |
| +010+ | 6.76 | Vern Law | 217.3 | PIT |
| +013+ | 6.01 | Mel Stottlemyre | 275 | NYA |
| +016+ | 5.49 | Jim Maloney | 240.3 | CIN |
| +022+ | 5.25 | Bob Shaw | 225.3 | SFN |
| +023+ | 5.2 | Jim Bunning | 264 | PHI |
| +036+ | 4.52 | Milt Pappas | 208 | BAL |
| +039+ | 4.2 | Pete Richert | 178 | TEX |
| +040+ | 4.19 | Claude Osteen | 265.7 | LAN |
| +042+ | 4.12 | George Brunet | 186 | ANA |
| +045+ | 4.01 | Sonny Siebert | 165.7 | CLE |
| +047+ | 3.96 | Bob Veale | 252.7 | PIT |
| +051+ | 3.67 | Don Drysdale | 290.3 | LAN |
| +056+ | 3.56 | Bobby Bolin | 151 | SFN |
| +058+ | 3.47 | Chris Short | 263.3 | PHI |
| +059+ | 3.46 | Jim Perry | 161.7 | MIN |
| +060+ | 3.45 | Denny McLain | 202.3 | DET |
| +065+ | 3.25 | Bob Gibson | 274.7 | SLN |
| +066+ | 3.2 | Marcelino Lopez | 215.3 | ANA |
| +068+ | 3.14 | Jim Kaat | 247 | MIN |
| +076+ | 3.01 | Steve Barber | 194.7 | BAL |
| +079+ | 2.89 | Al McBean | 110.3 | PIT |
| +080+ | 2.88 | Fred Newman | 244.3 | ANA |
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