| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 18 | 196808280_SLN_PIT |
| Luis Tiant | CLE | 7.82 | 196808280_MIN_CLE |
| Juan Marichal | SFN | 5.34 | 196808290_HOU_SFN |
| Denny McLain | DET | 5.21 | 196808280_ANA_DET |
| Jerry Koosman | NYN | 3.54 | 196808281_CIN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rick Wise | PHI | -2.84 | 196808270_PHI_CIN |
| Tony Cloninger | CIN | -2.63 | 196808270_PHI_CIN |
| Rich Nye | CHN | -1.7 | 196808281_CHN_LAN |
| Ray Culp | BOS | -1.38 | 196808270_CLE_BOS |
| Mickey Lolich | DET | -1.25 | 196808290_ANA_DET |
Based on accumulated WAA for this season up to 1968-08-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.19 | Bob Gibson | 252.7 | SLN |
| +003+ | 7.39 | Luis Tiant | 232.7 | CLE |
| +005+ | 6.6 | Denny McLain | 277 | DET |
| +009+ | 5.44 | Tom Seaver | 225.7 | NYN |
| +010+ | 5.32 | Sam McDowell | 211.7 | CLE |
| +011+ | 5.25 | Jerry Koosman | 216.7 | NYN |
| +015+ | 4.92 | Dave McNally | 215 | BAL |
| +016+ | 4.85 | Stan Bahnsen | 204.3 | NYA |
| +020+ | 4.66 | Juan Marichal | 284 | SFN |
| +019+ | 4.66 | Don Drysdale | 239 | LAN |
| +027+ | 4.06 | Tommy John | 177.3 | CHA |
| +033+ | 3.51 | Gaylord Perry | 231.3 | SFN |
| +037+ | 3.29 | Dean Chance | 239.3 | MIN |
| +036+ | 3.29 | Bob Veale | 204.7 | PIT |
| +039+ | 3.18 | Bobby Bolin | 127 | SFN |
| +040+ | 3.14 | Jim Hardin | 210.7 | BAL |
| +044+ | 3.02 | Pat Jarvis | 214.3 | ATL |
| +045+ | 2.95 | Woodie Fryman | 196.3 | PHI |
| +053+ | 2.53 | Mel Stottlemyre | 234.7 | NYA |
| +054+ | 2.52 | Ray Washburn | 172 | SLN |
| +055+ | 2.49 | Cal Koonce | 85 | NYN |
| +056+ | 2.47 | Tom Phoebus | 195 | BAL |
| +069+ | 2.12 | Ferguson Jenkins | 240 | CHN |
| +072+ | 2.08 | Steve Blass | 162.3 | PIT |
| +076+ | 1.98 | Nelson Briles | 204 | SLN |
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