| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 8.01 | 196506010_SLN_SFN |
| Don Drysdale | LAN | 6.42 | 196506020_LAN_SLN |
| Jim Maloney | CIN | 4.41 | 196505311_CIN_LAN |
| Bob Veale | PIT | 4.13 | 196506010_PHI_PIT |
| Chris Short | PHI | 2.46 | 196505310_PHI_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -3.2 | 196506010_SLN_SFN |
| Earl Wilson | BOS | -2.28 | 196505311_ANA_BOS |
| Jack Fisher | NYN | -2.01 | 196505311_NYN_CHN |
| Art Mahaffey | PHI | -1.8 | 196506010_PHI_PIT |
| Phil Ortega | TEX | -1.79 | 196506021_TEX_ANA |
Based on accumulated WAA for this season up to 1965-06-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.44 | Jim Kaat | 84.7 | MIN |
| +004+ | 3.13 | Juan Marichal | 89 | SFN |
| +005+ | 3.1 | Sandy Koufax | 90.3 | LAN |
| +007+ | 3.01 | Johnny Podres | 64 | LAN |
| +009+ | 2.85 | Bob Gibson | 92 | SLN |
| +010+ | 2.84 | Marcelino Lopez | 81 | ANA |
| +011+ | 2.63 | Turk Farrell | 59.3 | HOU |
| +015+ | 2.33 | Joe Horlen | 66.3 | CHA |
| +017+ | 2.2 | Don Drysdale | 99.7 | LAN |
| +021+ | 2.03 | Camilo Pascual | 78 | MIN |
| +025+ | 1.96 | Jim Maloney | 61 | CIN |
| +029+ | 1.86 | Bob Veale | 80 | PIT |
| +031+ | 1.82 | Milt Pappas | 59 | BAL |
| +037+ | 1.73 | Dave Boswell | 40 | MIN |
| +040+ | 1.72 | George Brunet | 36.7 | ANA |
| +043+ | 1.67 | Vern Law | 51 | PIT |
| +052+ | 1.51 | Mel Stottlemyre | 80.3 | NYA |
| +051+ | 1.51 | Wade Blasingame | 66 | ATL |
| +053+ | 1.5 | Ralph Terry | 63.3 | CLE |
| +059+ | 1.43 | Sonny Siebert | 48 | CLE |
| +062+ | 1.31 | Billy O'Dell | 39.3 | ATL |
| +063+ | 1.28 | Bobby Bolin | 34 | SFN |
| XXXXX | 1.18 | Claude Osteen | 90 | LAN |
| XXXXX | 1.14 | Tracy Stallard | 64 | SLN |
| XXXXX | 1.1 | John Buzhardt | 52 | CHA |
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