| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 17.09 | 196507170_HOU_SFN |
| Don Drysdale | LAN | 4.25 | 196507190_HOU_LAN |
| Joe Horlen | CHA | 3.36 | 196507190_OAK_CHA |
| Jim Maloney | CIN | 2.85 | 196507181_PIT_CIN |
| Turk Farrell | HOU | 2.54 | 196507170_HOU_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Purkey | SLN | -2.78 | 196507170_NYN_SLN |
| Buster Narum | TEX | -2.18 | 196507170_TEX_NYA |
| Dave Morehead | BOS | -2.03 | 196507180_BOS_CLE |
| Joe Gibbon | PIT | -1.58 | 196507182_PIT_CIN |
| Bo Belinsky | PHI | -0.92 | 196507180_PHI_SLN |
Based on accumulated WAA for this season up to 1965-07-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.73 | Juan Marichal | 177 | SFN |
| +002+ | 6.29 | Sandy Koufax | 178 | LAN |
| +004+ | 5.19 | Vern Law | 136.3 | PIT |
| +005+ | 5.12 | Milt Pappas | 127.3 | BAL |
| +010+ | 4.51 | Sam McDowell | 137 | CLE |
| +015+ | 4.09 | Jim Kaat | 150.7 | MIN |
| +017+ | 3.93 | Claude Osteen | 172.3 | LAN |
| +018+ | 3.82 | Don Drysdale | 186.3 | LAN |
| +027+ | 3.27 | Joe Horlen | 132.3 | CHA |
| +029+ | 3.19 | Turk Farrell | 127.7 | HOU |
| +033+ | 2.95 | George Brunet | 89 | ANA |
| +036+ | 2.81 | Bob Shaw | 111.3 | SFN |
| +039+ | 2.72 | Mel Stottlemyre | 157 | NYA |
| +040+ | 2.72 | Jim Maloney | 138.3 | CIN |
| +041+ | 2.68 | Bob Gibson | 174 | SLN |
| +043+ | 2.56 | Sonny Siebert | 96 | CLE |
| +045+ | 2.49 | Marcelino Lopez | 133 | ANA |
| +052+ | 2.35 | Jim Perry | 66.3 | MIN |
| +054+ | 2.31 | Bob Veale | 149.7 | PIT |
| +057+ | 2.27 | Fred Newman | 155 | ANA |
| +060+ | 2.24 | Jim Bunning | 144 | PHI |
| +064+ | 2.08 | Lee Stange | 77.7 | CLE |
| +065+ | 2.04 | Bobby Bolin | 72 | SFN |
| +067+ | 1.97 | Steve Hamilton | 39 | NYA |
| +070+ | 1.9 | Tracy Stallard | 115.7 | SLN |
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