| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 9.85 | 196508010_LAN_SLN |
| Milt Pappas | BAL | 5.79 | 196508010_BAL_MIN |
| Sam McDowell | CLE | 4.15 | 196508012_CLE_NYA |
| Bob Shaw | SFN | 3.55 | 196508030_SFN_CIN |
| Vern Law | PIT | 3.21 | 196508030_PIT_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -5.9 | 196508010_LAN_SLN |
| Joe Gibbon | PIT | -2.51 | 196508012_CHN_PIT |
| Diego Segui | OAK | -1.9 | 196508030_BOS_OAK |
| Galen Cisco | NYN | -1.62 | 196508030_PIT_NYN |
| Earl Wilson | BOS | -1.55 | 196508030_BOS_OAK |
Based on accumulated WAA for this season up to 1965-08-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.15 | Juan Marichal | 197 | SFN |
| +002+ | 7.29 | Sandy Koufax | 213 | LAN |
| +003+ | 6.7 | Vern Law | 165.7 | PIT |
| +004+ | 5.91 | Sam McDowell | 163 | CLE |
| +009+ | 5.17 | Milt Pappas | 145.3 | BAL |
| +012+ | 4.82 | Bob Shaw | 145.3 | SFN |
| +022+ | 3.95 | Claude Osteen | 190.3 | LAN |
| +023+ | 3.9 | George Brunet | 115 | ANA |
| +024+ | 3.86 | Mel Stottlemyre | 190 | NYA |
| +026+ | 3.71 | Don Drysdale | 202.7 | LAN |
| +031+ | 3.52 | Sonny Siebert | 117 | CLE |
| +034+ | 3.39 | Jim Kaat | 167 | MIN |
| +037+ | 3.21 | Jim Bunning | 174 | PHI |
| +040+ | 3.19 | Bob Gibson | 197.3 | SLN |
| +041+ | 3.11 | Joe Horlen | 149.3 | CHA |
| +047+ | 2.73 | Pete Richert | 123.7 | TEX |
| +056+ | 2.49 | Marcelino Lopez | 152.7 | ANA |
| +062+ | 2.37 | Chris Short | 174 | PHI |
| +063+ | 2.36 | Bobby Bolin | 83.3 | SFN |
| +064+ | 2.32 | Jim Perry | 86 | MIN |
| +065+ | 2.29 | Jim Maloney | 160.7 | CIN |
| +069+ | 2.15 | Mike McCormick | 114.3 | TEX |
| +070+ | 2.14 | Ray Culp | 111 | PHI |
| +072+ | 2.13 | Turk Farrell | 146.7 | HOU |
| +073+ | 2.11 | Denny McLain | 147.3 | DET |
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