| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 19.89 | 196809110_LAN_SLN |
| Luis Tiant | CLE | 6.29 | 196809090_CLE_MIN |
| Denny McLain | DET | 6.23 | 196809100_DET_ANA |
| Juan Marichal | SFN | 2.34 | 196809110_SFN_ATL |
| Steve Blass | PIT | 1.36 | 196809112_PHI_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rick Wise | PHI | -3.41 | 196809112_PHI_PIT |
| Mickey Lolich | DET | -0.77 | 196809090_DET_ANA |
| Jim Lonborg | BOS | -0.59 | 196809110_BOS_OAK |
| Mike Kekich | LAN | -0.5 | 196809110_LAN_SLN |
| Gary Peters | CHA | -0.29 | 196809102_CHA_NYA |
Based on accumulated WAA for this season up to 1968-09-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.85 | Bob Gibson | 279.7 | SLN |
| +003+ | 7.47 | Luis Tiant | 247.3 | CLE |
| +006+ | 6.96 | Denny McLain | 304.3 | DET |
| +007+ | 6.84 | Sam McDowell | 244.3 | CLE |
| +011+ | 6.05 | Dave McNally | 242 | BAL |
| +017+ | 5.3 | Tom Seaver | 247.7 | NYN |
| +018+ | 5.25 | Jerry Koosman | 231.7 | NYN |
| +021+ | 4.83 | Don Drysdale | 239 | LAN |
| +023+ | 4.76 | Stan Bahnsen | 225.7 | NYA |
| +027+ | 4.34 | Bob Veale | 223.3 | PIT |
| +028+ | 4.15 | Tommy John | 177.3 | CHA |
| +031+ | 4.1 | Juan Marichal | 308.7 | SFN |
| +035+ | 3.63 | Dean Chance | 263.7 | MIN |
| +036+ | 3.58 | Jim Nash | 204.7 | OAK |
| +041+ | 3.46 | Pat Jarvis | 239 | ATL |
| +043+ | 3.32 | Gaylord Perry | 255.3 | SFN |
| +046+ | 3.3 | Bobby Bolin | 143.7 | SFN |
| +049+ | 2.99 | Mel Stottlemyre | 248.7 | NYA |
| +051+ | 2.92 | Jim Hardin | 227.3 | BAL |
| +055+ | 2.73 | Gary Nolan | 122.7 | CIN |
| +057+ | 2.7 | Steve Blass | 187 | PIT |
| +061+ | 2.53 | Joe Horlen | 202.3 | CHA |
| +063+ | 2.43 | Ray Washburn | 185.3 | SLN |
| +065+ | 2.41 | Tom Phoebus | 220 | BAL |
| +070+ | 2.25 | Jim Perry | 135 | MIN |
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