| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 18.91 | 196809020_SLN_CIN |
| Denny McLain | DET | 5.99 | 196809010_BAL_DET |
| Tom Seaver | NYN | 4.14 | 196809031_ATL_NYN |
| Sam McDowell | CLE | 4.06 | 196809030_CLE_ANA |
| Juan Marichal | SFN | 3.82 | 196809021_SFN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Hargan | CLE | -2.48 | 196809010_NYA_CLE |
| Joe Sparma | DET | -2.44 | 196809022_DET_OAK |
| Jim Hunter | OAK | -1.31 | 196809030_DET_OAK |
| Jeff James | PHI | -1.19 | 196809021_LAN_PHI |
| Jim Bunning | PIT | -0.95 | 196809010_ATL_PIT |
Based on accumulated WAA for this season up to 1968-09-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.87 | Bob Gibson | 262.7 | SLN |
| +003+ | 7.44 | Luis Tiant | 232.7 | CLE |
| +006+ | 6.68 | Denny McLain | 286.3 | DET |
| +008+ | 5.88 | Sam McDowell | 228.3 | CLE |
| +011+ | 5.4 | Tom Seaver | 241.7 | NYN |
| +012+ | 5.39 | Dave McNally | 224 | BAL |
| +013+ | 5.29 | Stan Bahnsen | 213.3 | NYA |
| +015+ | 5.15 | Jerry Koosman | 225.7 | NYN |
| +020+ | 4.74 | Don Drysdale | 239 | LAN |
| +023+ | 4.58 | Juan Marichal | 293 | SFN |
| +028+ | 4.12 | Tommy John | 177.3 | CHA |
| +033+ | 3.72 | Bob Veale | 213.7 | PIT |
| +036+ | 3.37 | Bobby Bolin | 133.3 | SFN |
| +038+ | 3.31 | Dean Chance | 247.7 | MIN |
| +045+ | 2.81 | Gaylord Perry | 246.3 | SFN |
| +049+ | 2.7 | Mel Stottlemyre | 239.7 | NYA |
| +050+ | 2.69 | Ray Washburn | 180.7 | SLN |
| +051+ | 2.68 | Steve Blass | 171 | PIT |
| +053+ | 2.64 | Jim Nash | 191.3 | OAK |
| +054+ | 2.58 | Pat Jarvis | 221 | ATL |
| +057+ | 2.47 | Jim Hardin | 212.3 | BAL |
| +064+ | 2.31 | Woodie Fryman | 201.7 | PHI |
| +072+ | 2.13 | Joe Horlen | 191 | CHA |
| +073+ | 2.11 | Nelson Briles | 209 | SLN |
| +075+ | 2.09 | Gary Nolan | 104.7 | CIN |
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