| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Drysdale | LAN | 5.07 | 196505250_SLN_LAN |
| Jim Maloney | CIN | 4.04 | 196505240_CIN_HOU |
| Chris Short | PHI | 3.02 | 196505242_NYN_PHI |
| Joe Horlen | CHA | 2.9 | 196505230_CHA_ANA |
| Bob Veale | PIT | 2.84 | 196505230_PIT_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Al Jackson | NYN | -3.6 | 196505250_NYN_PHI |
| Dick Donovan | CLE | -3 | 196505232_BOS_CLE |
| Ray Sadecki | SLN | -2.89 | 196505230_NYN_SLN |
| Phil Ortega | TEX | -1.87 | 196505231_TEX_NYA |
| Dave Wickersham | DET | -1.66 | 196505250_DET_CHA |
Based on accumulated WAA for this season up to 1965-05-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.37 | Juan Marichal | 77.3 | SFN |
| +004+ | 2.62 | Marcelino Lopez | 68 | ANA |
| +007+ | 2.58 | Sandy Koufax | 73.3 | LAN |
| +008+ | 2.56 | Johnny Podres | 53 | LAN |
| +011+ | 2.37 | Bob Gibson | 82.3 | SLN |
| +012+ | 2.34 | Jim Kaat | 68.7 | MIN |
| +014+ | 2.23 | Camilo Pascual | 67.3 | MIN |
| +017+ | 2.05 | Jim Maloney | 52.7 | CIN |
| +018+ | 2.04 | Claude Osteen | 79.3 | LAN |
| +019+ | 2.01 | Turk Farrell | 48.7 | HOU |
| +024+ | 1.72 | Milt Pappas | 52 | BAL |
| +025+ | 1.69 | Joe Horlen | 57.3 | CHA |
| +029+ | 1.65 | Bob Buhl | 60 | CHN |
| +028+ | 1.65 | Sonny Siebert | 42.3 | CLE |
| +031+ | 1.64 | Don Drysdale | 84.7 | LAN |
| +035+ | 1.59 | John Buzhardt | 49 | CHA |
| +037+ | 1.56 | Bob Shaw | 36.3 | SFN |
| +041+ | 1.5 | Wade Blasingame | 60.3 | ATL |
| +043+ | 1.47 | Jim Lonborg | 48 | BOS |
| +054+ | 1.3 | Jim Brewer | 18 | LAN |
| +055+ | 1.28 | Dave Boswell | 34.3 | MIN |
| XXXXX | 1.18 | Mel Stottlemyre | 70.3 | NYA |
| XXXXX | 1.12 | Ralph Terry | 55.3 | CLE |
| XXXXX | 1.08 | Bobby Bolin | 31 | SFN |
| XXXXX | 1.08 | Tommy John | 45.7 | CHA |
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