| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 16.41 | 196609200_PHI_LAN |
| Jim Bunning | PHI | 9.53 | 196609190_PHI_LAN |
| Mike Cuellar | HOU | 4.64 | 196609200_NYN_HOU |
| Bruce Howard | CHA | 2.08 | 196609180_CHA_BAL |
| Jim Perry | MIN | 1.44 | 196609200_MIN_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sammy Ellis | CIN | -5.61 | 196609180_CIN_ATL |
| Bob Bruce | HOU | -3.63 | 196609181_NYN_HOU |
| Bob Shaw | NYN | -1.81 | 196609190_NYN_HOU |
| Dick Ellsworth | CHN | -1.7 | 196609180_SLN_CHN |
| Tony Cloninger | ATL | -0.91 | 196609200_SLN_ATL |
Based on accumulated WAA for this season up to 1966-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.32 | Sandy Koufax | 297 | LAN |
| +005+ | 9.03 | Juan Marichal | 281 | SFN |
| +006+ | 8.69 | Jim Bunning | 291 | PHI |
| +010+ | 7.78 | Bob Gibson | 258.3 | SLN |
| +011+ | 7.31 | Gary Peters | 205 | CHA |
| +014+ | 7.04 | Mike Cuellar | 211.7 | HOU |
| +015+ | 6.01 | Al Jackson | 224.3 | SLN |
| +020+ | 5.5 | Jim Kaat | 275.7 | MIN |
| +027+ | 4.89 | Tommy John | 211.3 | CHA |
| +034+ | 4.44 | Bruce Howard | 149.3 | CHA |
| +036+ | 4.24 | Joe Horlen | 188 | CHA |
| +038+ | 4.09 | Sonny Siebert | 242 | CLE |
| +041+ | 3.83 | Steve Hargan | 169.7 | CLE |
| +042+ | 3.75 | Claude Osteen | 223.7 | LAN |
| +046+ | 3.36 | Jim Nash | 103.7 | OAK |
| +049+ | 3.33 | Jim Perry | 167.3 | MIN |
| +051+ | 3.19 | Steve Barber | 127 | BAL |
| +053+ | 3.06 | Dennis Ribant | 183.7 | NYN |
| +061+ | 2.7 | Jim Maloney | 206.7 | CIN |
| +062+ | 2.7 | Jim Grant | 232.3 | MIN |
| +064+ | 2.64 | Lew Krausse | 173.3 | OAK |
| +068+ | 2.55 | Gaylord Perry | 232.3 | SFN |
| +071+ | 2.49 | Dave McNally | 201 | BAL |
| +080+ | 2.28 | Bobby Bolin | 211 | SFN |
| +083+ | 2.24 | Earl Wilson | 243 | TOT |
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