| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Bunning | PHI | 8.94 | 196606030_SFN_PHI |
| Sandy Koufax | LAN | 8.71 | 196606010_LAN_SLN |
| Jim Maloney | CIN | 5.4 | 196606010_HOU_CIN |
| Bob Gibson | SLN | 4.67 | 196606030_SLN_ATL |
| Jim Kaat | MIN | 2.11 | 196606020_DET_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Stephenson | BOS | -2.92 | 196606020_TEX_BOS |
| Jack Fisher | NYN | -2 | 196606030_LAN_NYN |
| Jack Lamabe | CHA | -1.61 | 196606030_TEX_CHA |
| Ray Sadecki | SFN | -1.41 | 196606030_SFN_PHI |
| Denny Lemaster | ATL | -1.22 | 196606020_SFN_ATL |
Based on accumulated WAA for this season up to 1966-06-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.49 | Juan Marichal | 101 | SFN |
| +003+ | 3.83 | Sandy Koufax | 91.3 | LAN |
| +005+ | 3.52 | Jim Bunning | 97.7 | PHI |
| +007+ | 2.99 | Bob Gibson | 102 | SLN |
| +008+ | 2.92 | Al Jackson | 49 | SLN |
| +011+ | 2.55 | Mike Cuellar | 53.3 | HOU |
| +014+ | 2.32 | Mel Stottlemyre | 87 | NYA |
| +017+ | 2.13 | Pete Richert | 84.3 | TEX |
| +019+ | 2.06 | Claude Osteen | 87.3 | LAN |
| +021+ | 2 | Jim Maloney | 59 | CIN |
| +026+ | 1.76 | Dick Ellsworth | 83 | CHN |
| +033+ | 1.59 | Tommy John | 73.3 | CHA |
| +034+ | 1.58 | Dave Giusti | 62.7 | HOU |
| +036+ | 1.5 | Chris Short | 84.7 | PHI |
| +038+ | 1.44 | Phil Ortega | 67.3 | TEX |
| +043+ | 1.31 | Clay Carroll | 36.7 | ATL |
| +045+ | 1.29 | Don Sutton | 80 | LAN |
| XXXXX | 1.25 | Steve Barber | 54.3 | BAL |
| XXXXX | 1.2 | Whitey Ford | 40 | NYA |
| XXXXX | 1.18 | Luis Tiant | 56.3 | CLE |
| XXXXX | 1.14 | Bob Veale | 84.3 | PIT |
| XXXXX | 1.07 | Vern Law | 40.3 | PIT |
| XXXXX | 1.04 | Rollie Sheldon | 56.7 | OAK |
| XXXXX | 1.02 | Dennis Ribant | 35.3 | NYN |
| XXXXX | 0.96 | Jim Kaat | 76.7 | MIN |
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