| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 16.52 | 196508220_LAN_SFN |
| Sandy Koufax | LAN | 10.02 | 196508220_LAN_SFN |
| Sam McDowell | CLE | 4.86 | 196508220_CLE_TEX |
| Vern Law | PIT | 4.77 | 196508230_SFN_PIT |
| Jim Bunning | PHI | 3.21 | 196508220_CIN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Purkey | SLN | -3.53 | 196508210_SLN_NYN |
| Dave Morehead | BOS | -1.52 | 196508210_DET_BOS |
| John Tsitouris | CIN | -1.4 | 196508220_CIN_PHI |
| Phil Ortega | TEX | -1.12 | 196508220_CLE_TEX |
| Denny Lemaster | ATL | -0.99 | 196508210_ATL_PIT |
Based on accumulated WAA for this season up to 1965-08-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.86 | Juan Marichal | 237 | SFN |
| +002+ | 8 | Sandy Koufax | 256 | LAN |
| +004+ | 7.15 | Vern Law | 195.3 | PIT |
| +009+ | 6.05 | Sam McDowell | 197 | CLE |
| +012+ | 5.41 | Bob Shaw | 176 | SFN |
| +017+ | 4.87 | Milt Pappas | 166.7 | BAL |
| +020+ | 4.7 | Mel Stottlemyre | 223 | NYA |
| +021+ | 4.62 | Claude Osteen | 220 | LAN |
| +023+ | 4.47 | Sonny Siebert | 135.7 | CLE |
| +026+ | 4.4 | Jim Bunning | 213.7 | PHI |
| +030+ | 4.21 | Marcelino Lopez | 192.3 | ANA |
| +033+ | 4.05 | George Brunet | 143.7 | ANA |
| +036+ | 3.76 | Jim Maloney | 186 | CIN |
| +037+ | 3.72 | Jim Kaat | 202.7 | MIN |
| +041+ | 3.64 | Don Drysdale | 246.3 | LAN |
| +046+ | 3.45 | Pete Richert | 144.7 | TEX |
| +048+ | 3.38 | Chris Short | 214 | PHI |
| +055+ | 2.96 | Denny McLain | 171.3 | DET |
| +056+ | 2.96 | Jim Perry | 110.7 | MIN |
| +057+ | 2.89 | Bob Gibson | 228.3 | SLN |
| +062+ | 2.72 | Bobby Bolin | 103.3 | SFN |
| +063+ | 2.71 | Al McBean | 91 | PIT |
| +077+ | 2.2 | Robin Roberts | 141.7 | TOT |
| +083+ | 2.09 | Bob Veale | 205.3 | PIT |
| +087+ | 2 | Joe Horlen | 172.3 | CHA |
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