| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 16.74 | 196507310_SFN_ATL |
| Sandy Koufax | LAN | 9.85 | 196508010_LAN_SLN |
| Milt Pappas | BAL | 5.79 | 196508010_BAL_MIN |
| Sam McDowell | CLE | 4.15 | 196508012_CLE_NYA |
| Chris Short | PHI | 1.95 | 196507310_NYN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -5.9 | 196508010_LAN_SLN |
| Joe Gibbon | PIT | -2.51 | 196508012_CHN_PIT |
| Lew Burdette | PHI | -2.26 | 196507300_NYN_PHI |
| Denny Lemaster | ATL | -1.99 | 196507310_SFN_ATL |
| Dave Morehead | BOS | -1.93 | 196507300_BOS_ANA |
Based on accumulated WAA for this season up to 1965-08-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.14 | Juan Marichal | 197 | SFN |
| +002+ | 7.25 | Sandy Koufax | 213 | LAN |
| +004+ | 5.94 | Vern Law | 156.7 | PIT |
| +005+ | 5.89 | Sam McDowell | 163 | CLE |
| +009+ | 5.13 | Milt Pappas | 145.3 | BAL |
| +013+ | 4.57 | Bob Shaw | 137.3 | SFN |
| +021+ | 3.95 | Mel Stottlemyre | 184 | NYA |
| +022+ | 3.91 | Claude Osteen | 190.3 | LAN |
| +023+ | 3.89 | George Brunet | 115 | ANA |
| +028+ | 3.67 | Don Drysdale | 202.7 | LAN |
| +031+ | 3.51 | Sonny Siebert | 117 | CLE |
| +035+ | 3.37 | Jim Kaat | 167 | MIN |
| +037+ | 3.19 | Jim Bunning | 174 | PHI |
| +040+ | 3.16 | Bob Gibson | 197.3 | SLN |
| +041+ | 3.09 | Joe Horlen | 149.3 | CHA |
| +043+ | 2.97 | Turk Farrell | 142 | HOU |
| +049+ | 2.71 | Pete Richert | 123.7 | TEX |
| +057+ | 2.47 | Marcelino Lopez | 152.7 | ANA |
| +062+ | 2.35 | Fred Newman | 171 | ANA |
| +061+ | 2.35 | Chris Short | 174 | PHI |
| +063+ | 2.33 | Bobby Bolin | 83 | SFN |
| +064+ | 2.31 | Jim Perry | 86 | MIN |
| +065+ | 2.3 | Jim Maloney | 160.7 | CIN |
| +074+ | 2.05 | Claude Raymond | 84.3 | HOU |
| +075+ | 1.97 | Ray Culp | 104 | PHI |
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