| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 18.91 | 196809020_SLN_CIN |
| Luis Tiant | CLE | 7.34 | 196809040_CLE_ANA |
| Tom Seaver | NYN | 4.14 | 196809031_ATL_NYN |
| Stan Bahnsen | NYA | 4.08 | 196809040_NYA_BAL |
| Dave McNally | BAL | 4.04 | 196809040_NYA_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Bertaina | TEX | -5.49 | 196809040_CHA_TEX |
| Joe Niekro | CHN | -2.72 | 196809041_SFN_CHN |
| Joe Sparma | DET | -2.44 | 196809022_DET_OAK |
| Jim Maloney | CIN | -1.95 | 196809040_SLN_CIN |
| Jim Hunter | OAK | -1.31 | 196809030_DET_OAK |
Based on accumulated WAA for this season up to 1968-09-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.92 | Bob Gibson | 262.7 | SLN |
| +005+ | 7.02 | Luis Tiant | 238.3 | CLE |
| +006+ | 6.72 | Denny McLain | 286.3 | DET |
| +008+ | 5.91 | Sam McDowell | 228.3 | CLE |
| +011+ | 5.43 | Tom Seaver | 241.7 | NYN |
| +012+ | 5.42 | Dave McNally | 233 | BAL |
| +015+ | 5.18 | Jerry Koosman | 225.7 | NYN |
| +020+ | 4.77 | Don Drysdale | 239 | LAN |
| +021+ | 4.64 | Juan Marichal | 293 | SFN |
| +025+ | 4.52 | Stan Bahnsen | 216.7 | NYA |
| +029+ | 4.1 | Tommy John | 177.3 | CHA |
| +032+ | 3.75 | Bob Veale | 213.7 | PIT |
| +036+ | 3.4 | Bobby Bolin | 133.3 | SFN |
| +040+ | 3.21 | Dean Chance | 254.7 | MIN |
| +044+ | 2.86 | Gaylord Perry | 246.3 | SFN |
| +049+ | 2.75 | Mel Stottlemyre | 239.7 | NYA |
| +050+ | 2.73 | Ray Washburn | 180.7 | SLN |
| +051+ | 2.71 | Steve Blass | 171 | PIT |
| +052+ | 2.66 | Jim Nash | 191.3 | OAK |
| +055+ | 2.61 | Pat Jarvis | 221 | ATL |
| +057+ | 2.5 | Jim Hardin | 212.3 | BAL |
| +062+ | 2.34 | Woodie Fryman | 201.7 | PHI |
| +072+ | 2.1 | Gary Nolan | 104.7 | CIN |
| +070+ | 2.1 | Joe Horlen | 191 | CHA |
| +079+ | 2 | Cal Koonce | 87.3 | NYN |
_