| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 17.08 | 196609290_LAN_SLN |
| Juan Marichal | SFN | 8.69 | 196610011_SFN_PIT |
| Bob Gibson | SLN | 4.86 | 196610010_CHN_SLN |
| Joe Horlen | CHA | 2.72 | 196610010_NYA_CHA |
| Steve Hargan | CLE | 1.92 | 196609300_CLE_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Bruce | HOU | -3.41 | 196609290_HOU_CIN |
| Milt Pappas | CIN | -0.99 | 196610011_ATL_CIN |
| Tommie Sisk | PIT | -0.63 | 196610012_SFN_PIT |
| Denny McLain | DET | -0.51 | 196610010_OAK_DET |
| Ken Holtzman | CHN | -0.35 | 196610010_CHN_SLN |
Based on accumulated WAA for this season up to 1966-10-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.14 | Sandy Koufax | 314 | LAN |
| +006+ | 8.88 | Juan Marichal | 308 | SFN |
| +007+ | 8.53 | Jim Bunning | 309 | PHI |
| +011+ | 7.34 | Mike Cuellar | 227.7 | HOU |
| +013+ | 7.15 | Gary Peters | 205 | CHA |
| +014+ | 7.04 | Bob Gibson | 280.7 | SLN |
| +018+ | 6.02 | Jim Kaat | 299.7 | MIN |
| +026+ | 5.42 | Al Jackson | 232.7 | SLN |
| +028+ | 5.15 | Joe Horlen | 211.3 | CHA |
| +034+ | 4.43 | Steve Hargan | 191 | CLE |
| +035+ | 4.41 | Bruce Howard | 150.3 | CHA |
| +037+ | 4.34 | Jim Nash | 126.7 | OAK |
| +038+ | 4.3 | Tommy John | 221.7 | CHA |
| +041+ | 3.97 | Sonny Siebert | 242 | CLE |
| +042+ | 3.8 | Jim Maloney | 224.7 | CIN |
| +044+ | 3.75 | Jim Perry | 176.3 | MIN |
| +045+ | 3.74 | Claude Osteen | 240.3 | LAN |
| +047+ | 3.54 | Steve Barber | 132.3 | BAL |
| +055+ | 3.32 | Bob Veale | 258.7 | PIT |
| +059+ | 3 | Bobby Bolin | 224.7 | SFN |
| +062+ | 2.86 | Earl Wilson | 265 | TOT |
| +063+ | 2.84 | Sam McDowell | 194.7 | CLE |
| +064+ | 2.83 | Gaylord Perry | 248.7 | SFN |
| +065+ | 2.75 | Don Sutton | 225.7 | LAN |
| +070+ | 2.67 | Dean Chance | 260 | ANA |
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