| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 7.8 | 196605060_CLE_BAL |
| Juan Marichal | SFN | 7.62 | 196605070_SFN_SLN |
| Jim Bunning | PHI | 6.06 | 196605070_PIT_PHI |
| Whitey Ford | NYA | 3.28 | 196605060_NYA_ANA |
| Bob Gibson | SLN | 2.75 | 196605060_SFN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Earl Wilson | BOS | -3.25 | 196605081_BOS_MIN |
| Ernie Broglio | CHN | -2.99 | 196605070_CHN_NYN |
| Denny Lemaster | ATL | -2.75 | 196605060_ATL_HOU |
| Bob Buhl | PHI | -2.75 | 196605060_PIT_PHI |
| Fred Talbot | OAK | -2.49 | 196605080_TEX_OAK |
Based on accumulated WAA for this season up to 1966-05-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.72 | Juan Marichal | 50 | SFN |
| +004+ | 2.1 | Sam McDowell | 52.7 | CLE |
| +009+ | 1.66 | Mel Stottlemyre | 38 | NYA |
| +010+ | 1.65 | Mike Cuellar | 36 | HOU |
| +012+ | 1.53 | Chris Short | 45.7 | PHI |
| +014+ | 1.49 | Claude Osteen | 54.7 | LAN |
| +018+ | 1.31 | Luis Tiant | 30 | CLE |
| +020+ | 1.26 | Jim Bunning | 47.7 | PHI |
| XXXXX | 1.25 | Tommy John | 35.3 | CHA |
| XXXXX | 1.24 | Gary Peters | 29.3 | CHA |
| XXXXX | 1.24 | Jim Grant | 40.3 | MIN |
| XXXXX | 1.19 | Denny McLain | 40.7 | DET |
| XXXXX | 1.05 | Jim Maloney | 18.7 | CIN |
| XXXXX | 1.02 | Jim O'Toole | 21 | CIN |
| XXXXX | 1 | Clay Carroll | 24.7 | ATL |
| XXXXX | 0.96 | Whitey Ford | 37 | NYA |
| XXXXX | 0.9 | Rollie Sheldon | 27.3 | OAK |
| XXXXX | 0.88 | Bob Gibson | 42 | SLN |
| XXXXX | 0.84 | Jack Hamilton | 35.7 | NYN |
| XXXXX | 0.82 | Rob Gardner | 24.3 | NYN |
| XXXXX | 0.81 | Phil Ortega | 24 | TEX |
| XXXXX | 0.81 | Ken Johnson | 39 | ATL |
| XXXXX | 0.8 | Steve Barber | 31.7 | BAL |
| XXXXX | 0.78 | Barry Latman | 30 | HOU |
| XXXXX | 0.77 | Denny Lemaster | 30 | ATL |
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