| 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 |
| Joe Horlen | CHA | 2.44 | 196605080_DET_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Earl Wilson | BOS | -3.25 | 196605081_BOS_MIN |
| Fred Talbot | OAK | -2.49 | 196605080_TEX_OAK |
| Denny Lemaster | ATL | -1.23 | 196605101_CIN_ATL |
| Phil Ortega | TEX | -1.08 | 196605080_TEX_OAK |
| Joey Jay | CIN | -0.67 | 196605090_CIN_ATL |
Based on accumulated WAA for this season up to 1966-05-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.63 | Juan Marichal | 50 | SFN |
| +004+ | 2.11 | Sam McDowell | 52.7 | CLE |
| +006+ | 1.94 | Mel Stottlemyre | 47 | NYA |
| +009+ | 1.67 | Mike Cuellar | 36 | HOU |
| +010+ | 1.57 | Bob Gibson | 51 | SLN |
| +011+ | 1.55 | Gary Peters | 37 | CHA |
| +014+ | 1.49 | Claude Osteen | 54.7 | LAN |
| +020+ | 1.32 | Luis Tiant | 30 | CLE |
| +023+ | 1.27 | Jim Bunning | 47.7 | PHI |
| XXXXX | 1.24 | Jim Grant | 40.3 | MIN |
| XXXXX | 1.22 | Tommy John | 35.3 | CHA |
| XXXXX | 1.19 | Denny McLain | 40.7 | DET |
| XXXXX | 1.17 | Jim Maloney | 25.7 | CIN |
| XXXXX | 1.17 | Rollie Sheldon | 33.7 | OAK |
| XXXXX | 1.15 | Bobby Bolin | 47 | SFN |
| XXXXX | 1.06 | Chris Short | 47.7 | PHI |
| XXXXX | 1.06 | Sandy Koufax | 46.3 | LAN |
| XXXXX | 1.03 | Clay Carroll | 25 | ATL |
| XXXXX | 1.01 | Jim O'Toole | 21 | CIN |
| XXXXX | 0.96 | Whitey Ford | 37 | NYA |
| XXXXX | 0.85 | Jack Hamilton | 35.7 | NYN |
| XXXXX | 0.82 | Ken Johnson | 39 | ATL |
| XXXXX | 0.82 | Phil Ortega | 24 | TEX |
| XXXXX | 0.79 | Barry Latman | 30 | HOU |
| XXXXX | 0.78 | Steve Barber | 31.7 | BAL |
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