| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 7.85 | 196605120_SFN_PIT |
| Sam McDowell | CLE | 6.7 | 196605130_BAL_CLE |
| Jim Bunning | PHI | 6.49 | 196605120_LAN_PHI |
| Sandy Koufax | LAN | 4.99 | 196605140_LAN_PIT |
| Mel Stottlemyre | NYA | 4.79 | 196605140_NYA_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Earl Wilson | BOS | -2.89 | 196605140_BOS_ANA |
| Jack Fisher | NYN | -2.21 | 196605140_SFN_NYN |
| Fred Talbot | OAK | -2.04 | 196605140_NYA_OAK |
| Wade Blasingame | ATL | -1.75 | 196605120_ATL_SLN |
| Bob Buhl | PHI | -1.73 | 196605140_HOU_PHI |
Based on accumulated WAA for this season up to 1966-05-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.2 | Juan Marichal | 59 | SFN |
| +005+ | 2.25 | Sam McDowell | 60.7 | CLE |
| +011+ | 1.67 | Mel Stottlemyre | 54 | NYA |
| +012+ | 1.65 | Mike Cuellar | 36 | HOU |
| +014+ | 1.58 | Gary Peters | 46 | CHA |
| +015+ | 1.57 | Bob Gibson | 60 | SLN |
| +016+ | 1.56 | Sandy Koufax | 55.3 | LAN |
| +018+ | 1.55 | Dick Ellsworth | 48.7 | CHN |
| +019+ | 1.49 | Chris Short | 56.7 | PHI |
| +020+ | 1.47 | Jim Bunning | 53.7 | PHI |
| +025+ | 1.32 | Tommy John | 42.3 | CHA |
| +027+ | 1.31 | Jim O'Toole | 28 | CIN |
| +028+ | 1.31 | Denny McLain | 47.7 | DET |
| +030+ | 1.25 | Don Sutton | 54 | LAN |
| XXXXX | 1.22 | Claude Osteen | 59 | LAN |
| XXXXX | 1.19 | Denny Lemaster | 44 | ATL |
| XXXXX | 1.15 | Luis Tiant | 30.7 | CLE |
| XXXXX | 1.14 | Rollie Sheldon | 33.7 | OAK |
| XXXXX | 1.13 | Whitey Ford | 39 | NYA |
| XXXXX | 1.13 | Jim Maloney | 25.7 | CIN |
| XXXXX | 1.12 | Barry Latman | 37.3 | HOU |
| XXXXX | 1.09 | Gaylord Perry | 41.3 | SFN |
| XXXXX | 1.07 | Al Jackson | 17 | SLN |
| XXXXX | 1.05 | Dean Chance | 56.7 | ANA |
| XXXXX | 1.03 | Clay Carroll | 25 | ATL |
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