| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 14.53 | 196607010_SLN_LAN |
| Juan Marichal | SFN | 9.9 | 196606290_SFN_SLN |
| Mel Stottlemyre | NYA | 4.6 | 196606290_NYA_BOS |
| Jim Maloney | CIN | 3.37 | 196607010_CIN_HOU |
| Sam McDowell | CLE | 3.18 | 196607010_ANA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Lonborg | BOS | -1.68 | 196606300_NYA_BOS |
| Fred Talbot | NYA | -1.5 | 196607010_NYA_TEX |
| Denny Lemaster | ATL | -1.19 | 196607010_ATL_SFN |
| Bob Buhl | PHI | -0.64 | 196606290_PHI_NYN |
| Hank Fischer | CIN | -0.64 | 196606290_LAN_CIN |
Based on accumulated WAA for this season up to 1966-07-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.76 | Sandy Koufax | 152.3 | LAN |
| +002+ | 5.94 | Bob Gibson | 152 | SLN |
| +005+ | 5.39 | Jim Bunning | 142.7 | PHI |
| +006+ | 5.33 | Juan Marichal | 155 | SFN |
| +009+ | 4.21 | Mike Cuellar | 94.3 | HOU |
| +011+ | 3.71 | Al Jackson | 104.3 | SLN |
| +016+ | 3.51 | Claude Osteen | 128 | LAN |
| +019+ | 2.98 | Steve Barber | 103 | BAL |
| +023+ | 2.66 | Dennis Ribant | 76.7 | NYN |
| +026+ | 2.64 | Sam McDowell | 94 | CLE |
| +028+ | 2.61 | Gaylord Perry | 96.7 | SFN |
| +033+ | 2.49 | Bob Veale | 129.7 | PIT |
| +035+ | 2.43 | Mel Stottlemyre | 132.7 | NYA |
| +036+ | 2.4 | Joe Horlen | 91 | CHA |
| +038+ | 2.36 | Pete Richert | 136.3 | TEX |
| +039+ | 2.35 | Jim Kaat | 127 | MIN |
| +040+ | 2.34 | Gary Bell | 119.3 | CLE |
| +047+ | 2.12 | Tommy John | 100.7 | CHA |
| +048+ | 2.1 | Jim Maloney | 109 | CIN |
| +060+ | 1.66 | Minnie Rojas | 37 | ANA |
| +061+ | 1.6 | Woodie Fryman | 76 | PIT |
| +064+ | 1.59 | Clay Carroll | 69 | ATL |
| +076+ | 1.33 | Whitey Ford | 42 | NYA |
| XXXXX | 1.25 | Gary Peters | 89.7 | CHA |
| XXXXX | 1.25 | Steve Hargan | 60.7 | CLE |
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