| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Bunning | PIT | 8.04 | 196805060_PIT_ATL |
| Gary Peters | CHA | 5.7 | 196805051_NYA_CHA |
| Bob Gibson | SLN | 5.02 | 196805060_NYN_SLN |
| Gaylord Perry | SFN | 4.14 | 196805060_SFN_HOU |
| Luis Tiant | CLE | 2.59 | 196805070_CLE_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sammy Ellis | ANA | -5.14 | 196805070_CHA_ANA |
| Milt Pappas | CIN | -4.01 | 196805050_CIN_LAN |
| Dave Giusti | HOU | -2.71 | 196805050_ATL_HOU |
| Jack Fisher | CHA | -1.42 | 196805052_NYA_CHA |
| Joe Sparma | DET | -1.41 | 196805060_DET_BAL |
Based on accumulated WAA for this season up to 1968-05-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 1.9 | Bob Gibson | 55 | SLN |
| +007+ | 1.69 | Bill Monbouquette | 40 | NYA |
| +009+ | 1.65 | Luis Tiant | 43.3 | CLE |
| +010+ | 1.54 | Jose Santiago | 41 | BOS |
| +011+ | 1.53 | Ray Sadecki | 42.3 | SFN |
| +012+ | 1.46 | Dave McNally | 35 | BAL |
| +015+ | 1.4 | Tom Seaver | 52 | NYN |
| +016+ | 1.39 | Nolan Ryan | 35.3 | NYN |
| +017+ | 1.36 | Jim Merritt | 51 | MIN |
| +018+ | 1.35 | Camilo Pascual | 36.3 | TEX |
| +021+ | 1.3 | Al McBean | 47.7 | PIT |
| XXXXX | 1.23 | Jerry Koosman | 42.7 | NYN |
| XXXXX | 1.16 | Sam McDowell | 45.3 | CLE |
| XXXXX | 1.12 | George Culver | 44 | CIN |
| XXXXX | 1.07 | Gerry Arrigo | 33.3 | CIN |
| XXXXX | 1.05 | Denny McLain | 50 | DET |
| XXXXX | 1.04 | Bob Veale | 40.7 | PIT |
| XXXXX | 1.03 | Tom Phoebus | 47.7 | BAL |
| XXXXX | 0.97 | Chris Short | 47.3 | PHI |
| XXXXX | 0.95 | Dave Giusti | 41 | HOU |
| XXXXX | 0.91 | Jim Perry | 41.3 | MIN |
| XXXXX | 0.87 | Don Cardwell | 30.3 | NYN |
| XXXXX | 0.85 | Bill Singer | 46 | LAN |
| XXXXX | 0.81 | Pat Jarvis | 50.3 | ATL |
| XXXXX | 0.76 | Tommy John | 36 | CHA |
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