| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 7.53 | 196506070_LAN_PHI |
| Bob Veale | PIT | 5.02 | 196506062_NYN_PIT |
| Joe Horlen | CHA | 4.4 | 196506080_CHA_BOS |
| Camilo Pascual | MIN | 4.05 | 196506080_CLE_MIN |
| Bob Gibson | SLN | 2.16 | 196506080_CIN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Al Jackson | NYN | -5.16 | 196506061_NYN_PIT |
| Ray Sadecki | SLN | -2.72 | 196506060_HOU_SLN |
| Art Mahaffey | PHI | -2.09 | 196506062_PHI_CHN |
| Dave Wickersham | DET | -1.75 | 196506080_DET_ANA |
| Dave Morehead | BOS | -1.21 | 196506061_BOS_OAK |
Based on accumulated WAA for this season up to 1965-06-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.96 | Juan Marichal | 98 | SFN |
| +002+ | 3.39 | Joe Horlen | 84.3 | CHA |
| +003+ | 3.36 | Jim Kaat | 91 | MIN |
| +005+ | 3.32 | Marcelino Lopez | 89 | ANA |
| +006+ | 3.05 | Sandy Koufax | 101.3 | LAN |
| +008+ | 3.03 | Don Drysdale | 108.7 | LAN |
| +013+ | 2.6 | Bob Veale | 89 | PIT |
| +014+ | 2.57 | Camilo Pascual | 94 | MIN |
| +016+ | 2.52 | Johnny Podres | 70 | LAN |
| +017+ | 2.44 | Jim Maloney | 69 | CIN |
| +018+ | 2.42 | Vern Law | 60 | PIT |
| +023+ | 2.26 | Turk Farrell | 65.3 | HOU |
| +024+ | 2.22 | Bob Gibson | 110 | SLN |
| +028+ | 2.16 | Milt Pappas | 65 | BAL |
| +029+ | 2.15 | Claude Osteen | 105.7 | LAN |
| +039+ | 1.85 | Mel Stottlemyre | 90.3 | NYA |
| +038+ | 1.85 | Wade Blasingame | 75 | ATL |
| +053+ | 1.66 | Dave Boswell | 44 | MIN |
| +054+ | 1.64 | George Brunet | 40.7 | ANA |
| +062+ | 1.47 | Sam McDowell | 72.7 | CLE |
| XXXXX | 1.25 | Tracy Stallard | 68 | SLN |
| XXXXX | 1.24 | Mickey Lolich | 77.3 | DET |
| XXXXX | 1.24 | Curt Simmons | 78 | SLN |
| XXXXX | 1.21 | Claude Raymond | 40 | HOU |
| XXXXX | 1.18 | John Buzhardt | 58.3 | CHA |
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