| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 19.23 | 196809170_SLN_SFN |
| Sam McDowell | CLE | 5.78 | 196809170_TEX_CLE |
| Jerry Koosman | NYN | 4.38 | 196809180_CHN_NYN |
| Dave McNally | BAL | 4.2 | 196809170_BAL_BOS |
| Stan Bahnsen | NYA | 3.52 | 196809170_NYA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rick Wise | PHI | -4.92 | 196809160_PIT_PHI |
| Jim Maloney | CIN | -2.58 | 196809170_CIN_LAN |
| Joe Sparma | DET | -2.18 | 196809170_NYA_DET |
| Mike McCormick | SFN | -0.73 | 196809160_CIN_SFN |
| Ron Reed | ATL | -0.72 | 196809160_ATL_LAN |
Based on accumulated WAA for this season up to 1968-09-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.09 | Bob Gibson | 287.7 | SLN |
| +005+ | 7.37 | Luis Tiant | 247.3 | CLE |
| +008+ | 6.63 | Denny McLain | 313.3 | DET |
| +009+ | 6.41 | Sam McDowell | 251.7 | CLE |
| +015+ | 5.66 | Dave McNally | 255 | BAL |
| +017+ | 5.48 | Jerry Koosman | 248.7 | NYN |
| +019+ | 5.44 | Stan Bahnsen | 242.7 | NYA |
| +022+ | 4.95 | Bob Veale | 239.3 | PIT |
| +024+ | 4.72 | Don Drysdale | 239 | LAN |
| +028+ | 4.31 | Tom Seaver | 253 | NYN |
| +030+ | 4.07 | Tommy John | 177.3 | CHA |
| +034+ | 3.97 | Juan Marichal | 308.7 | SFN |
| +035+ | 3.79 | Bobby Bolin | 160.7 | SFN |
| +037+ | 3.67 | Jim Nash | 212.7 | OAK |
| +045+ | 3.33 | Mel Stottlemyre | 257.7 | NYA |
| +044+ | 3.33 | Pat Jarvis | 244 | ATL |
| +047+ | 3.27 | Dean Chance | 278 | MIN |
| +049+ | 3.26 | Steve Blass | 196 | PIT |
| +050+ | 3.23 | Gaylord Perry | 270.7 | SFN |
| +053+ | 3.05 | Ray Washburn | 201.3 | SLN |
| +056+ | 2.95 | Jim Hardin | 234.3 | BAL |
| +058+ | 2.85 | Joe Horlen | 211.3 | CHA |
| +061+ | 2.72 | Ferguson Jenkins | 283 | CHN |
| +062+ | 2.72 | Tom Phoebus | 228 | BAL |
| +065+ | 2.59 | Stan Williams | 184 | CLE |
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