| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 14.32 | 196509170_SFN_ATL |
| Sandy Koufax | LAN | 11.07 | 196509180_LAN_SLN |
| Jim Bunning | PHI | 3.42 | 196509180_PHI_PIT |
| Sonny Siebert | CLE | 3.21 | 196509190_CHA_CLE |
| Bob Gibson | SLN | 1.84 | 196509190_LAN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Phil Ortega | TEX | -2.75 | 196509180_TEX_MIN |
| Bob Hendley | CHN | -1.64 | 196509190_NYN_CHN |
| Jim Lonborg | BOS | -1.35 | 196509170_OAK_BOS |
| Jack Lamabe | HOU | -0.81 | 196509192_HOU_CIN |
| Curt Simmons | SLN | -0.53 | 196509170_LAN_SLN |
Based on accumulated WAA for this season up to 1965-09-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.32 | Sandy Koufax | 306.7 | LAN |
| +002+ | 10.27 | Juan Marichal | 276.3 | SFN |
| +008+ | 7.44 | Sam McDowell | 239.3 | CLE |
| +010+ | 6.78 | Vern Law | 217.3 | PIT |
| +015+ | 5.72 | Mel Stottlemyre | 266 | NYA |
| +018+ | 5.47 | Bob Shaw | 220.3 | SFN |
| +020+ | 5.36 | Jim Maloney | 233.3 | CIN |
| +023+ | 5.22 | Jim Bunning | 264 | PHI |
| +034+ | 4.58 | Milt Pappas | 200.7 | BAL |
| +039+ | 4.25 | Sonny Siebert | 165.3 | CLE |
| +040+ | 4.24 | Claude Osteen | 265.7 | LAN |
| +041+ | 4.14 | Pete Richert | 172 | TEX |
| +043+ | 3.99 | Bob Veale | 252.7 | PIT |
| +051+ | 3.66 | Jim Kaat | 242.7 | MIN |
| +052+ | 3.64 | Jim Perry | 161 | MIN |
| +056+ | 3.48 | Chris Short | 263.3 | PHI |
| +059+ | 3.34 | George Brunet | 176.3 | ANA |
| +060+ | 3.28 | Bob Gibson | 274.7 | SLN |
| +063+ | 3.23 | Marcelino Lopez | 215.3 | ANA |
| +065+ | 3.21 | Denny McLain | 193.3 | DET |
| +066+ | 3.15 | Bobby Bolin | 146 | SFN |
| +070+ | 3 | Don Drysdale | 281.3 | LAN |
| +076+ | 2.86 | Steve Barber | 187.3 | BAL |
| +081+ | 2.79 | Al McBean | 109 | PIT |
| +085+ | 2.63 | Robin Roberts | 178.7 | TOT |
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