| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 11.85 | 196505260_ATL_SFN |
| Sandy Koufax | LAN | 8.28 | 196505260_SLN_LAN |
| Camilo Pascual | MIN | 4.54 | 196505260_MIN_BOS |
| Bob Veale | PIT | 3.7 | 196505280_PIT_NYN |
| Gary Peters | CHA | 3.25 | 196505260_CLE_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -3.75 | 196505280_SLN_HOU |
| Phil Ortega | TEX | -2.04 | 196505280_MIN_TEX |
| Dave Morehead | BOS | -1.89 | 196505270_MIN_BOS |
| Diego Segui | OAK | -1.82 | 196505260_OAK_BAL |
| Art Mahaffey | PHI | -1.69 | 196505260_PIT_PHI |
Based on accumulated WAA for this season up to 1965-05-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.99 | Marcelino Lopez | 75 | ANA |
| +004+ | 2.87 | Johnny Podres | 62 | LAN |
| +006+ | 2.8 | Sandy Koufax | 81.3 | LAN |
| +007+ | 2.74 | Juan Marichal | 81 | SFN |
| +008+ | 2.71 | Jim Kaat | 75.7 | MIN |
| +012+ | 2.49 | Turk Farrell | 57.7 | HOU |
| +014+ | 2.43 | Joe Horlen | 66.3 | CHA |
| +016+ | 2.3 | Bob Gibson | 82.3 | SLN |
| +018+ | 2.05 | Jim Maloney | 52.7 | CIN |
| +027+ | 1.75 | Dave Boswell | 40 | MIN |
| +031+ | 1.69 | Milt Pappas | 52 | BAL |
| +033+ | 1.62 | Sonny Siebert | 42.3 | CLE |
| +034+ | 1.61 | Don Drysdale | 84.7 | LAN |
| +037+ | 1.58 | Ralph Terry | 63.3 | CLE |
| +036+ | 1.58 | Bob Buhl | 67 | CHN |
| +038+ | 1.56 | Jim Lonborg | 54.3 | BOS |
| +039+ | 1.55 | John Buzhardt | 49 | CHA |
| +045+ | 1.47 | Wade Blasingame | 60.3 | ATL |
| +047+ | 1.41 | Curt Simmons | 64.3 | SLN |
| +051+ | 1.34 | Claude Osteen | 84 | LAN |
| +056+ | 1.3 | Camilo Pascual | 69 | MIN |
| +057+ | 1.29 | Jim Brewer | 18 | LAN |
| XXXXX | 1.16 | George Brunet | 27.7 | ANA |
| XXXXX | 1.16 | Mel Stottlemyre | 70.3 | NYA |
| XXXXX | 1.14 | Bob Veale | 71 | PIT |
_