| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 5.8 | 196805120_HOU_SLN |
| Joe Horlen | CHA | 5.65 | 196805110_CHA_OAK |
| Luis Tiant | CLE | 3.44 | 196805121_CLE_BAL |
| Jim Kaat | MIN | 2.59 | 196805101_MIN_ANA |
| Tom Seaver | NYN | 1.84 | 196805110_NYN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sammy Ellis | ANA | -7.13 | 196805110_MIN_ANA |
| Fred Talbot | NYA | -4.63 | 196805122_BOS_NYA |
| Dick Ellsworth | BOS | -2.62 | 196805121_BOS_NYA |
| Joe Sparma | DET | -1.65 | 196805110_DET_TEX |
| Woodie Fryman | PHI | -1.38 | 196805100_PHI_PIT |
Based on accumulated WAA for this season up to 1968-05-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.21 | Luis Tiant | 52.3 | CLE |
| +005+ | 1.89 | Bob Gibson | 63 | SLN |
| +007+ | 1.86 | Jose Santiago | 49 | BOS |
| +009+ | 1.73 | Ray Sadecki | 58.3 | SFN |
| +011+ | 1.58 | Gerry Arrigo | 48.3 | CIN |
| +013+ | 1.57 | Al McBean | 56.7 | PIT |
| +016+ | 1.45 | Camilo Pascual | 38.3 | TEX |
| +017+ | 1.41 | Jerry Koosman | 48.7 | NYN |
| +020+ | 1.4 | Bill Singer | 55 | LAN |
| +018+ | 1.4 | Nolan Ryan | 35.3 | NYN |
| +019+ | 1.4 | Denny McLain | 59 | DET |
| +024+ | 1.34 | Chris Short | 53.3 | PHI |
| +027+ | 1.31 | Tom Phoebus | 55.7 | BAL |
| +029+ | 1.29 | Sam McDowell | 54.3 | CLE |
| +030+ | 1.29 | Bob Veale | 49 | PIT |
| XXXXX | 1.23 | Tom Seaver | 59 | NYN |
| XXXXX | 1.19 | Dave McNally | 41 | BAL |
| XXXXX | 1.15 | Mel Stottlemyre | 57.7 | NYA |
| XXXXX | 1.05 | Tommy John | 43.7 | CHA |
| XXXXX | 1.04 | Dick Selma | 23 | NYN |
| XXXXX | 1.03 | Pat Jarvis | 59.3 | ATL |
| XXXXX | 0.99 | Jim Merritt | 55.7 | MIN |
| XXXXX | 0.98 | Stan Williams | 24.3 | CLE |
| XXXXX | 0.88 | Joe Sparma | 48 | DET |
| XXXXX | 0.83 | Bill Hands | 49.3 | CHN |
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