| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 11.37 | 196505161_HOU_SFN |
| Sandy Koufax | LAN | 7.44 | 196505170_LAN_HOU |
| Chris Short | PHI | 4.73 | 196505160_ATL_PHI |
| Gary Peters | CHA | 4.11 | 196505170_CHA_OAK |
| Camilo Pascual | MIN | 3.52 | 196505170_MIN_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -3.54 | 196505180_PHI_SLN |
| Diego Segui | OAK | -2.43 | 196505161_MIN_OAK |
| Dave Morehead | BOS | -2.4 | 196505180_BOS_NYA |
| Bo Belinsky | PHI | -1.38 | 196505170_PHI_SLN |
| Dave Wickersham | DET | -1.35 | 196505161_DET_BOS |
Based on accumulated WAA for this season up to 1965-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.48 | Juan Marichal | 68.3 | SFN |
| +003+ | 2.82 | Claude Osteen | 67.7 | LAN |
| +004+ | 2.61 | Marcelino Lopez | 61.3 | ANA |
| +005+ | 2.58 | Jim Kaat | 64.3 | MIN |
| +010+ | 2.34 | John Buzhardt | 46.7 | CHA |
| +011+ | 2.24 | Johnny Podres | 46 | LAN |
| +013+ | 2.12 | Sandy Koufax | 64.3 | LAN |
| +015+ | 1.98 | Chris Short | 62.3 | PHI |
| +020+ | 1.74 | Joe Horlen | 54.3 | CHA |
| +021+ | 1.73 | Camilo Pascual | 59.3 | MIN |
| +022+ | 1.71 | Turk Farrell | 40.3 | HOU |
| +023+ | 1.7 | Bob Gibson | 65.3 | SLN |
| +029+ | 1.59 | Milt Pappas | 39.3 | BAL |
| +030+ | 1.57 | Ralph Terry | 51.7 | CLE |
| +036+ | 1.28 | Mel Stottlemyre | 53 | NYA |
| XXXXX | 1.21 | Jim Maloney | 38.7 | CIN |
| XXXXX | 1.21 | Jack Fisher | 57 | NYN |
| XXXXX | 1.21 | Robin Roberts | 60 | BAL |
| XXXXX | 1.2 | Don Drysdale | 68.3 | LAN |
| XXXXX | 1.1 | Tommy John | 32.3 | CHA |
| XXXXX | 1.05 | Tracy Stallard | 45 | SLN |
| XXXXX | 0.98 | Jim Brewer | 14 | LAN |
| XXXXX | 0.96 | Dave Boswell | 28.3 | MIN |
| XXXXX | 0.92 | Bob Buhl | 46 | CHN |
| XXXXX | 0.91 | Bob Shaw | 22.3 | SFN |
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