| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chris Short | PHI | 5.55 | 196505070_SLN_PHI |
| Bob Veale | PIT | 4.15 | 196505080_CIN_PIT |
| Gary Peters | CHA | 3.58 | 196505080_CHA_MIN |
| Don Drysdale | LAN | 3.38 | 196505080_LAN_SFN |
| Dean Chance | ANA | 3.08 | 196505071_OAK_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Diego Segui | OAK | -2.03 | 196505080_OAK_ANA |
| Jack Fisher | NYN | -2.01 | 196505080_ATL_NYN |
| Earl Wilson | BOS | -1.66 | 196505070_CLE_BOS |
| Lew Burdette | CHN | -1.64 | 196505070_HOU_CHN |
| Bo Belinsky | PHI | -1.2 | 196505080_SLN_PHI |
Based on accumulated WAA for this season up to 1965-05-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.37 | Juan Marichal | 51 | SFN |
| +002+ | 2.4 | John Buzhardt | 36 | CHA |
| +004+ | 2.1 | Claude Osteen | 52 | LAN |
| +005+ | 1.99 | Chris Short | 48 | PHI |
| +007+ | 1.83 | Ralph Terry | 38 | CLE |
| +008+ | 1.77 | Marcelino Lopez | 48 | ANA |
| +012+ | 1.56 | Joe Horlen | 31 | CHA |
| +011+ | 1.56 | Turk Farrell | 40.3 | HOU |
| +013+ | 1.54 | Sandy Koufax | 38 | LAN |
| +014+ | 1.51 | Jim Kaat | 42.7 | MIN |
| +017+ | 1.37 | Rudy May | 26 | ANA |
| +020+ | 1.32 | Johnny Podres | 28 | LAN |
| XXXXX | 1.13 | Bob Gibson | 47.3 | SLN |
| XXXXX | 1.13 | Dave Giusti | 29.7 | HOU |
| XXXXX | 1.11 | Jim Maloney | 33.3 | CIN |
| XXXXX | 1.03 | Camilo Pascual | 37 | MIN |
| XXXXX | 1.03 | Robin Roberts | 38 | BAL |
| XXXXX | 0.96 | Mel Stottlemyre | 38 | NYA |
| XXXXX | 0.93 | Bruce Howard | 21 | CHA |
| XXXXX | 0.86 | Warren Spahn | 41.3 | NYN |
| XXXXX | 0.85 | Sammy Ellis | 40.3 | CIN |
| XXXXX | 0.8 | Vern Law | 28.7 | PIT |
| XXXXX | 0.77 | Bob Buhl | 33 | CHN |
| XXXXX | 0.73 | Hank Aguirre | 27.3 | DET |
| XXXXX | 0.71 | Wade Blasingame | 33.3 | ATL |
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