| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 18.91 | 196809020_SLN_CIN |
| Denny McLain | DET | 5.99 | 196809010_BAL_DET |
| Juan Marichal | SFN | 3.82 | 196809021_SFN_CHN |
| Stan Bahnsen | NYA | 3.59 | 196808310_NYA_CLE |
| Dave McNally | BAL | 3.47 | 196808310_BAL_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Bertaina | TEX | -4.39 | 196808310_TEX_BOS |
| Rick Wise | PHI | -4.39 | 196808310_CIN_PHI |
| Joe Niekro | CHN | -2.55 | 196808310_HOU_CHN |
| Steve Hargan | CLE | -2.48 | 196809010_NYA_CLE |
| Joe Sparma | DET | -2.44 | 196809022_DET_OAK |
Based on accumulated WAA for this season up to 1968-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.85 | Bob Gibson | 262.7 | SLN |
| +004+ | 7.39 | Luis Tiant | 232.7 | CLE |
| +006+ | 6.62 | Denny McLain | 286.3 | DET |
| +009+ | 5.72 | Sam McDowell | 220.7 | CLE |
| +010+ | 5.54 | Tom Seaver | 234.7 | NYN |
| +011+ | 5.34 | Dave McNally | 224 | BAL |
| +013+ | 5.25 | Stan Bahnsen | 213.3 | NYA |
| +015+ | 5.14 | Jerry Koosman | 225.7 | NYN |
| +021+ | 4.69 | Don Drysdale | 239 | LAN |
| +025+ | 4.5 | Juan Marichal | 293 | SFN |
| +026+ | 4.08 | Tommy John | 177.3 | CHA |
| +033+ | 3.67 | Bob Veale | 213.7 | PIT |
| +037+ | 3.38 | Gaylord Perry | 240.3 | SFN |
| +038+ | 3.34 | Bobby Bolin | 133.3 | SFN |
| +040+ | 3.21 | Dean Chance | 247.7 | MIN |
| +048+ | 2.65 | Mel Stottlemyre | 239.7 | NYA |
| +049+ | 2.65 | Steve Blass | 171 | PIT |
| +050+ | 2.6 | Jim Nash | 191.3 | OAK |
| +052+ | 2.56 | Pat Jarvis | 221 | ATL |
| +054+ | 2.5 | Ray Washburn | 172 | SLN |
| +057+ | 2.45 | Cal Koonce | 85 | NYN |
| +058+ | 2.43 | Jim Hardin | 212.3 | BAL |
| +066+ | 2.27 | Woodie Fryman | 201.7 | PHI |
| +072+ | 2.09 | Nelson Briles | 209 | SLN |
| +074+ | 2.08 | Joe Horlen | 191 | CHA |
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