| 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 |
| Tom Seaver | NYN | 4.11 | 196808300_SLN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rich Nye | CHN | -1.7 | 196808281_CHN_LAN |
| Jim Maloney | CIN | -1.44 | 196808300_CIN_PHI |
| Milt Pappas | ATL | -1.27 | 196808300_ATL_PIT |
| Mickey Lolich | DET | -1.25 | 196808290_ANA_DET |
| Jim Hunter | OAK | -0.94 | 196808300_OAK_ANA |
Based on accumulated WAA for this season up to 1968-08-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.19 | Bob Gibson | 252.7 | SLN |
| +003+ | 7.37 | Luis Tiant | 232.7 | CLE |
| +006+ | 6.6 | Denny McLain | 277 | DET |
| +009+ | 5.71 | Sam McDowell | 220.7 | CLE |
| +010+ | 5.63 | Tom Seaver | 234.7 | NYN |
| +011+ | 5.23 | Jerry Koosman | 216.7 | NYN |
| +015+ | 4.92 | Dave McNally | 215 | BAL |
| +017+ | 4.83 | Stan Bahnsen | 204.3 | NYA |
| +020+ | 4.65 | Don Drysdale | 239 | LAN |
| +021+ | 4.64 | Juan Marichal | 284 | SFN |
| +027+ | 4.04 | Tommy John | 177.3 | CHA |
| +033+ | 3.5 | Gaylord Perry | 240.3 | SFN |
| +036+ | 3.28 | Bob Veale | 204.7 | PIT |
| +037+ | 3.24 | Dean Chance | 239.3 | MIN |
| +039+ | 3.17 | Bobby Bolin | 127 | SFN |
| +040+ | 3.14 | Jim Hardin | 210.7 | BAL |
| +043+ | 3.01 | Pat Jarvis | 214.3 | ATL |
| +046+ | 2.94 | Woodie Fryman | 196.3 | PHI |
| +053+ | 2.52 | Ray Washburn | 172 | SLN |
| +054+ | 2.51 | Mel Stottlemyre | 234.7 | NYA |
| +055+ | 2.48 | Cal Koonce | 85 | NYN |
| +068+ | 2.11 | Nelson Briles | 209 | SLN |
| +069+ | 2.1 | Ferguson Jenkins | 249 | CHN |
| +072+ | 2.07 | Steve Blass | 162.3 | PIT |
| +075+ | 1.98 | Jim Nash | 182.3 | OAK |
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