| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chris Short | PHI | 5.93 | 196605100_LAN_PHI |
| Sandy Koufax | LAN | 4.38 | 196605100_LAN_PHI |
| Mel Stottlemyre | NYA | 4.16 | 196605090_NYA_MIN |
| Jim Maloney | CIN | 4.11 | 196605101_CIN_ATL |
| Bob Gibson | SLN | 2 | 196605100_SLN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Stigman | BOS | -1.91 | 196605100_BOS_OAK |
| Denny Lemaster | ATL | -1.23 | 196605101_CIN_ATL |
| Joey Jay | CIN | -0.67 | 196605090_CIN_ATL |
| Larry Jackson | PHI | -0.58 | 196605110_LAN_PHI |
| Ralph Terry | OAK | -0.55 | 196605100_BOS_OAK |
Based on accumulated WAA for this season up to 1966-05-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.65 | Juan Marichal | 50 | SFN |
| +006+ | 2.13 | Sam McDowell | 52.7 | CLE |
| +007+ | 1.95 | Mel Stottlemyre | 47 | NYA |
| +010+ | 1.68 | Mike Cuellar | 36 | HOU |
| +012+ | 1.59 | Bob Gibson | 51 | SLN |
| +013+ | 1.54 | Gary Peters | 37 | CHA |
| +015+ | 1.5 | Claude Osteen | 54.7 | LAN |
| +021+ | 1.33 | Luis Tiant | 30 | CLE |
| +023+ | 1.29 | Tommy John | 42.3 | CHA |
| +025+ | 1.28 | Jim Bunning | 47.7 | PHI |
| +027+ | 1.25 | Jim Grant | 40.3 | MIN |
| XXXXX | 1.24 | Don Sutton | 54 | LAN |
| XXXXX | 1.21 | Denny McLain | 40.7 | DET |
| XXXXX | 1.18 | Jim Maloney | 25.7 | CIN |
| XXXXX | 1.17 | Bobby Bolin | 47 | SFN |
| XXXXX | 1.17 | Gaylord Perry | 41.3 | SFN |
| XXXXX | 1.15 | Rollie Sheldon | 33.7 | OAK |
| XXXXX | 1.07 | Sandy Koufax | 46.3 | LAN |
| XXXXX | 1.07 | Chris Short | 47.7 | PHI |
| XXXXX | 1.07 | Barry Latman | 36.3 | HOU |
| XXXXX | 1.04 | Clay Carroll | 25 | ATL |
| XXXXX | 1.02 | Jim O'Toole | 21 | CIN |
| XXXXX | 0.97 | Whitey Ford | 37 | NYA |
| XXXXX | 0.85 | Jack Hamilton | 35.7 | NYN |
| XXXXX | 0.83 | Ken Johnson | 39 | ATL |
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