| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 15.87 | 196507060_SFN_SLN |
| Don Drysdale | LAN | 5.69 | 196507060_LAN_CIN |
| Milt Pappas | BAL | 4.35 | 196507040_BAL_CLE |
| Bob Veale | PIT | 3.17 | 196507051_PIT_PHI |
| Jim Maloney | CIN | 2.94 | 196507050_LAN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Galen Cisco | NYN | -3.25 | 196507040_SLN_NYN |
| Bob Purkey | SLN | -3 | 196507040_SLN_NYN |
| Art Mahaffey | PHI | -2.78 | 196507052_PIT_PHI |
| Dave Morehead | BOS | -2.18 | 196507052_BOS_MIN |
| Buster Narum | TEX | -1.8 | 196507040_DET_TEX |
Based on accumulated WAA for this season up to 1965-07-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.25 | Juan Marichal | 159 | SFN |
| +002+ | 5.9 | Sandy Koufax | 155.3 | LAN |
| +004+ | 5.33 | Vern Law | 121 | PIT |
| +009+ | 4.34 | Milt Pappas | 115.3 | BAL |
| +011+ | 4.19 | Jim Kaat | 129.3 | MIN |
| +012+ | 4.08 | Claude Osteen | 153.7 | LAN |
| +014+ | 3.9 | Sam McDowell | 119.3 | CLE |
| +023+ | 3.07 | Turk Farrell | 119 | HOU |
| +027+ | 2.93 | Don Drysdale | 162.7 | LAN |
| +034+ | 2.68 | George Brunet | 76 | ANA |
| +035+ | 2.67 | Mel Stottlemyre | 144 | NYA |
| +039+ | 2.59 | Bob Gibson | 150 | SLN |
| +040+ | 2.53 | Ralph Terry | 113 | CLE |
| +042+ | 2.48 | Joe Horlen | 111.7 | CHA |
| +044+ | 2.37 | Bob Veale | 138.7 | PIT |
| +045+ | 2.36 | Jim Maloney | 124 | CIN |
| +047+ | 2.29 | Sonny Siebert | 80 | CLE |
| +048+ | 2.23 | Bobby Bolin | 66.7 | SFN |
| +054+ | 2.12 | Pete Richert | 91.7 | TEX |
| +055+ | 2.11 | Marcelino Lopez | 116.3 | ANA |
| +059+ | 1.93 | Jim Bunning | 128.3 | PHI |
| +061+ | 1.89 | Claude Raymond | 73 | HOU |
| +063+ | 1.88 | Bob Shaw | 95 | SFN |
| +072+ | 1.61 | Fred Newman | 140 | ANA |
| +077+ | 1.53 | Ray Culp | 81 | PHI |
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