| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 10.53 | 196505120_CHN_SFN |
| Sandy Koufax | LAN | 5.71 | 196505130_HOU_LAN |
| Chris Short | PHI | 4.4 | 196505110_CIN_PHI |
| Gary Peters | CHA | 3.85 | 196505130_OAK_CHA |
| Camilo Pascual | MIN | 3.53 | 196505130_ANA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Morehead | BOS | -3.08 | 196505130_NYA_BOS |
| Jack Fisher | NYN | -1.7 | 196505120_SLN_NYN |
| Diego Segui | OAK | -1.66 | 196505130_OAK_CHA |
| Bo Belinsky | PHI | -1.01 | 196505130_CIN_PHI |
| Denny Lemaster | ATL | -1 | 196505120_ATL_PIT |
Based on accumulated WAA for this season up to 1965-05-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.66 | Juan Marichal | 59.3 | SFN |
| +005+ | 2.36 | Claude Osteen | 60 | LAN |
| +006+ | 2.22 | Ralph Terry | 45 | CLE |
| +007+ | 2.15 | John Buzhardt | 40 | CHA |
| +008+ | 2.13 | Chris Short | 55 | PHI |
| +010+ | 1.85 | Sandy Koufax | 54 | LAN |
| +012+ | 1.79 | Marcelino Lopez | 48 | ANA |
| +013+ | 1.7 | Dave Giusti | 38.7 | HOU |
| +014+ | 1.67 | Johnny Podres | 37 | LAN |
| +016+ | 1.63 | Turk Farrell | 40.3 | HOU |
| +018+ | 1.54 | Jim Kaat | 50.7 | MIN |
| +025+ | 1.47 | Camilo Pascual | 52.3 | MIN |
| +026+ | 1.47 | Rudy May | 32 | ANA |
| +029+ | 1.35 | Joe Horlen | 38 | CHA |
| +031+ | 1.29 | Bob Gibson | 56.3 | SLN |
| XXXXX | 1.21 | Milt Pappas | 30.3 | BAL |
| XXXXX | 1.17 | Mel Stottlemyre | 47 | NYA |
| XXXXX | 1.14 | Jim Maloney | 38.7 | CIN |
| XXXXX | 1.08 | Sammy Ellis | 48 | CIN |
| XXXXX | 1.06 | Hank Aguirre | 36.3 | DET |
| XXXXX | 0.9 | Ron Herbel | 32.3 | SFN |
| XXXXX | 0.87 | Tommy John | 25 | CHA |
| XXXXX | 0.85 | Jack Fisher | 48.7 | NYN |
| XXXXX | 0.83 | Wade Blasingame | 39.3 | ATL |
| XXXXX | 0.83 | Don Drysdale | 59.3 | LAN |
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