| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 18.48 | 196507210_CIN_SFN |
| Sandy Koufax | LAN | 9.23 | 196507200_HOU_LAN |
| Milt Pappas | BAL | 5.62 | 196507211_OAK_BAL |
| Sam McDowell | CLE | 2.98 | 196507211_CLE_DET |
| Jim Maloney | CIN | 2.59 | 196507220_CIN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Al Jackson | NYN | -2.95 | 196507210_NYN_PIT |
| Bob Purkey | SLN | -2.37 | 196507220_SLN_HOU |
| Buster Narum | TEX | -1.95 | 196507210_ANA_TEX |
| Diego Segui | OAK | -1.79 | 196507212_OAK_BAL |
| Dave Morehead | BOS | -1.73 | 196507220_MIN_BOS |
Based on accumulated WAA for this season up to 1965-07-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.53 | Juan Marichal | 185 | SFN |
| +002+ | 6.63 | Sandy Koufax | 187 | LAN |
| +003+ | 5.71 | Milt Pappas | 134.3 | BAL |
| +006+ | 5.21 | Vern Law | 136.3 | PIT |
| +015+ | 4.43 | Sam McDowell | 138 | CLE |
| +019+ | 3.89 | Jim Kaat | 155.7 | MIN |
| +020+ | 3.84 | Don Drysdale | 186.3 | LAN |
| +021+ | 3.81 | George Brunet | 99 | ANA |
| +025+ | 3.55 | Bob Shaw | 120.3 | SFN |
| +029+ | 3.29 | Joe Horlen | 132.3 | CHA |
| +030+ | 3.27 | Claude Osteen | 174.3 | LAN |
| +031+ | 3.21 | Turk Farrell | 127.7 | HOU |
| +034+ | 3.05 | Marcelino Lopez | 142 | ANA |
| +035+ | 3.05 | Mel Stottlemyre | 166 | NYA |
| +040+ | 2.89 | Bob Gibson | 181 | SLN |
| +042+ | 2.75 | Sonny Siebert | 103 | CLE |
| +047+ | 2.57 | Jim Maloney | 146.7 | CIN |
| +056+ | 2.36 | Jim Perry | 66.3 | MIN |
| +059+ | 2.27 | Fred Newman | 155 | ANA |
| +061+ | 2.23 | Pete Richert | 108 | TEX |
| +066+ | 2.06 | Steve Hamilton | 40 | NYA |
| +067+ | 2.03 | Bobby Bolin | 72 | SFN |
| +070+ | 1.97 | Lee Stange | 78.7 | CLE |
| +071+ | 1.94 | Jim Bunning | 150 | PHI |
| +072+ | 1.93 | Tracy Stallard | 115.7 | SLN |
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