| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 17.56 | 196508040_SFN_CIN |
| Sandy Koufax | LAN | 10.21 | 196508050_LAN_ATL |
| Sam McDowell | CLE | 5.05 | 196508050_DET_CLE |
| Vern Law | PIT | 3.21 | 196508030_PIT_NYN |
| Mel Stottlemyre | NYA | 2.08 | 196508030_NYA_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim O'Toole | CIN | -3.8 | 196508040_SFN_CIN |
| Dave Morehead | BOS | -2.27 | 196508040_BOS_OAK |
| Lew Burdette | PHI | -2.01 | 196508050_CHN_PHI |
| Denny Lemaster | ATL | -2.01 | 196508042_LAN_ATL |
| Diego Segui | OAK | -1.9 | 196508030_BOS_OAK |
Based on accumulated WAA for this season up to 1965-08-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.35 | Juan Marichal | 207 | SFN |
| +002+ | 7.44 | Sandy Koufax | 222 | LAN |
| +003+ | 6.71 | Vern Law | 165.7 | PIT |
| +004+ | 6.46 | Sam McDowell | 172 | CLE |
| +010+ | 5.18 | Milt Pappas | 145.3 | BAL |
| +014+ | 4.82 | Bob Shaw | 145.3 | SFN |
| +020+ | 4.28 | Claude Osteen | 199 | LAN |
| +023+ | 4.07 | Sonny Siebert | 126 | CLE |
| +025+ | 3.91 | George Brunet | 115 | ANA |
| +026+ | 3.81 | Mel Stottlemyre | 190 | NYA |
| +027+ | 3.77 | Don Drysdale | 210.7 | LAN |
| +029+ | 3.73 | Bob Gibson | 206.3 | SLN |
| +038+ | 3.22 | Jim Bunning | 174 | PHI |
| +043+ | 3.07 | Joe Horlen | 149.3 | CHA |
| +046+ | 2.9 | Jim Kaat | 173.7 | MIN |
| +051+ | 2.71 | Chris Short | 183 | PHI |
| +054+ | 2.49 | Marcelino Lopez | 152.7 | ANA |
| +056+ | 2.45 | Pete Richert | 125 | TEX |
| +062+ | 2.38 | Bob Veale | 179.3 | PIT |
| +066+ | 2.29 | Jim Maloney | 160.7 | CIN |
| +069+ | 2.17 | Mike McCormick | 114.3 | TEX |
| +070+ | 2.16 | Turk Farrell | 146.7 | HOU |
| +072+ | 2.15 | Bobby Bolin | 88.3 | SFN |
| +071+ | 2.15 | Ray Culp | 111 | PHI |
| +073+ | 2.14 | Denny McLain | 147.3 | DET |
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