| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 10.6 | 196505221_SFN_HOU |
| Sandy Koufax | LAN | 7.53 | 196505220_LAN_CHN |
| Gary Peters | CHA | 4.55 | 196505220_CHA_ANA |
| Jim Maloney | CIN | 4.04 | 196505240_CIN_HOU |
| Chris Short | PHI | 3.02 | 196505242_NYN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Donovan | CLE | -3 | 196505232_BOS_CLE |
| Ray Sadecki | SLN | -2.89 | 196505230_NYN_SLN |
| Dave Morehead | BOS | -2.04 | 196505220_BOS_CLE |
| Phil Ortega | TEX | -1.87 | 196505231_TEX_NYA |
| Hank Fischer | ATL | -1.52 | 196505240_ATL_SFN |
Based on accumulated WAA for this season up to 1965-05-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.28 | Juan Marichal | 77.3 | SFN |
| +004+ | 2.51 | Marcelino Lopez | 68 | ANA |
| +006+ | 2.5 | Johnny Podres | 53 | LAN |
| +005+ | 2.5 | Sandy Koufax | 73.3 | LAN |
| +011+ | 2.26 | Jim Kaat | 68.7 | MIN |
| +015+ | 2.15 | Camilo Pascual | 67.3 | MIN |
| +018+ | 2.01 | Bob Gibson | 74.3 | SLN |
| +019+ | 1.99 | Jim Maloney | 52.7 | CIN |
| +021+ | 1.95 | Claude Osteen | 79.3 | LAN |
| +020+ | 1.95 | Turk Farrell | 48.7 | HOU |
| +023+ | 1.9 | Milt Pappas | 47.3 | BAL |
| +029+ | 1.63 | Joe Horlen | 57.3 | CHA |
| +030+ | 1.62 | Tommy John | 40.3 | CHA |
| +032+ | 1.61 | Bob Buhl | 60 | CHN |
| +037+ | 1.54 | John Buzhardt | 49 | CHA |
| +038+ | 1.52 | Bob Shaw | 36.3 | SFN |
| +040+ | 1.41 | Jim Lonborg | 48 | BOS |
| +047+ | 1.28 | Jim Brewer | 18 | LAN |
| XXXXX | 1.24 | Dave Boswell | 34.3 | MIN |
| XXXXX | 1.16 | Sonny Siebert | 37.3 | CLE |
| XXXXX | 1.1 | Mel Stottlemyre | 70.3 | NYA |
| XXXXX | 1.06 | Ralph Terry | 55.3 | CLE |
| XXXXX | 1 | Fred Newman | 70 | ANA |
| XXXXX | 0.98 | Tracy Stallard | 57 | SLN |
| XXXXX | 0.96 | Dick Ellsworth | 49.7 | CHN |
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