| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 7.18 | 196506120_LAN_NYN |
| Joe Horlen | CHA | 4.61 | 196506120_CHA_TEX |
| Camilo Pascual | MIN | 4.08 | 196506120_MIN_DET |
| Milt Pappas | BAL | 2.86 | 196506130_BAL_BOS |
| Bob Gibson | SLN | 1.82 | 196506120_ATL_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Al Jackson | NYN | -4.66 | 196506120_LAN_NYN |
| Bob Hendley | CHN | -3.18 | 196506132_CIN_CHN |
| Bob Purkey | SLN | -2.02 | 196506132_ATL_SLN |
| Phil Ortega | TEX | -1.46 | 196506111_CHA_TEX |
| Hank Fischer | ATL | -0.87 | 196506132_ATL_SLN |
Based on accumulated WAA for this season up to 1965-06-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.67 | Juan Marichal | 107 | SFN |
| +003+ | 3.76 | Sandy Koufax | 110.3 | LAN |
| +004+ | 3.6 | Jim Kaat | 102.7 | MIN |
| +005+ | 3.53 | Don Drysdale | 117.7 | LAN |
| +008+ | 3.26 | Vern Law | 78 | PIT |
| +010+ | 3.13 | Milt Pappas | 82.3 | BAL |
| +011+ | 3.08 | Marcelino Lopez | 97 | ANA |
| +013+ | 2.86 | Bob Veale | 98 | PIT |
| +017+ | 2.53 | Joe Horlen | 87.3 | CHA |
| +023+ | 2.35 | Claude Osteen | 113.7 | LAN |
| +025+ | 2.34 | Mel Stottlemyre | 99.3 | NYA |
| +031+ | 2.15 | Johnny Podres | 76 | LAN |
| +033+ | 1.97 | Bob Gibson | 118 | SLN |
| +034+ | 1.96 | Sam McDowell | 80.7 | CLE |
| +038+ | 1.9 | Wade Blasingame | 91 | ATL |
| +040+ | 1.88 | Turk Farrell | 73.7 | HOU |
| +051+ | 1.75 | Jim Maloney | 73.7 | CIN |
| +058+ | 1.54 | Camilo Pascual | 95.7 | MIN |
| +067+ | 1.37 | Mickey Lolich | 85.3 | DET |
| +068+ | 1.33 | Ralph Terry | 78.3 | CLE |
| XXXXX | 1.24 | Rudy May | 70.7 | ANA |
| XXXXX | 1.24 | Dave Boswell | 49.7 | MIN |
| XXXXX | 1.16 | Bob Shaw | 59.3 | SFN |
| XXXXX | 1.04 | Ray Herbert | 61.7 | PHI |
| XXXXX | 0.99 | Tracy Stallard | 73 | SLN |
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