| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 17.09 | 196507170_HOU_SFN |
| Sandy Koufax | LAN | 8.27 | 196507160_CHN_LAN |
| Milt Pappas | BAL | 5.56 | 196507160_BAL_DET |
| Bob Veale | PIT | 3.75 | 196507160_PIT_ATL |
| Jim Maloney | CIN | 2.85 | 196507181_PIT_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Diego Segui | OAK | -2.81 | 196507160_OAK_MIN |
| Bob Purkey | SLN | -2.78 | 196507170_NYN_SLN |
| Buster Narum | TEX | -2.18 | 196507170_TEX_NYA |
| Al Jackson | NYN | -2.15 | 196507160_NYN_SLN |
| Dave Morehead | BOS | -2.03 | 196507180_BOS_CLE |
Based on accumulated WAA for this season up to 1965-07-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.76 | Juan Marichal | 177 | SFN |
| +002+ | 6.32 | Sandy Koufax | 178 | LAN |
| +004+ | 5.13 | Milt Pappas | 127.3 | BAL |
| +009+ | 4.68 | Vern Law | 127.3 | PIT |
| +010+ | 4.54 | Sam McDowell | 137 | CLE |
| +013+ | 4.11 | Jim Kaat | 150.7 | MIN |
| +015+ | 3.96 | Claude Osteen | 172.3 | LAN |
| +021+ | 3.54 | Don Drysdale | 177.3 | LAN |
| +026+ | 3.4 | Joe Horlen | 126 | CHA |
| +029+ | 3.2 | Turk Farrell | 127.7 | HOU |
| +031+ | 2.96 | George Brunet | 89 | ANA |
| +036+ | 2.83 | Bob Shaw | 111.3 | SFN |
| +039+ | 2.75 | Jim Maloney | 138.3 | CIN |
| +038+ | 2.75 | Mel Stottlemyre | 157 | NYA |
| +041+ | 2.7 | Bob Gibson | 174 | SLN |
| +042+ | 2.68 | Bobby Bolin | 72 | SFN |
| +045+ | 2.58 | Sonny Siebert | 96 | CLE |
| +046+ | 2.51 | Marcelino Lopez | 133 | ANA |
| +053+ | 2.33 | Bob Veale | 149.7 | PIT |
| +056+ | 2.28 | Fred Newman | 155 | ANA |
| +059+ | 2.26 | Jim Bunning | 144 | PHI |
| +065+ | 2.03 | Jim Perry | 57.3 | MIN |
| +067+ | 1.92 | Tracy Stallard | 115.7 | SLN |
| +068+ | 1.91 | Claude Raymond | 78 | HOU |
| +073+ | 1.74 | Tommy John | 93 | CHA |
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