| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 11.07 | 196509180_LAN_SLN |
| Bob Shaw | SFN | 3.71 | 196509190_SFN_ATL |
| Jim Bunning | PHI | 3.42 | 196509180_PHI_PIT |
| Jim Maloney | CIN | 3.38 | 196509200_SFN_CIN |
| Sonny Siebert | CLE | 3.21 | 196509190_CHA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Phil Ortega | TEX | -2.75 | 196509180_TEX_MIN |
| Bob Hendley | CHN | -1.64 | 196509190_NYN_CHN |
| Jack Lamabe | HOU | -0.81 | 196509192_HOU_CIN |
| Jim Hunter | OAK | -0.55 | 196509200_OAK_MIN |
| Joey Jay | CIN | -0.51 | 196509191_HOU_CIN |
Based on accumulated WAA for this season up to 1965-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.31 | Sandy Koufax | 306.7 | LAN |
| +002+ | 10.26 | Juan Marichal | 276.3 | SFN |
| +007+ | 7.83 | Sam McDowell | 245 | CLE |
| +010+ | 6.77 | Vern Law | 217.3 | PIT |
| +015+ | 5.71 | Mel Stottlemyre | 266 | NYA |
| +018+ | 5.51 | Jim Maloney | 240.3 | CIN |
| +019+ | 5.46 | Bob Shaw | 220.3 | SFN |
| +023+ | 5.2 | Jim Bunning | 264 | PHI |
| +035+ | 4.57 | Milt Pappas | 200.7 | BAL |
| +039+ | 4.23 | Claude Osteen | 265.7 | LAN |
| +040+ | 4.13 | Pete Richert | 172 | TEX |
| +041+ | 4.01 | Sonny Siebert | 165.7 | CLE |
| +043+ | 3.98 | Bob Veale | 252.7 | PIT |
| +051+ | 3.66 | Jim Kaat | 242.7 | MIN |
| +053+ | 3.63 | Jim Perry | 161 | MIN |
| +055+ | 3.56 | Bobby Bolin | 151 | SFN |
| +057+ | 3.47 | Chris Short | 263.3 | PHI |
| +060+ | 3.39 | George Brunet | 177 | ANA |
| +061+ | 3.27 | Bob Gibson | 274.7 | SLN |
| +065+ | 3.22 | Marcelino Lopez | 215.3 | ANA |
| +068+ | 3.14 | Denny McLain | 193.3 | DET |
| +072+ | 3.03 | Steve Barber | 194.7 | BAL |
| +073+ | 2.99 | Don Drysdale | 281.3 | LAN |
| +081+ | 2.78 | Al McBean | 109 | PIT |
| +085+ | 2.62 | Robin Roberts | 178.7 | TOT |
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