| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Horlen | CHA | 8.47 | 196805250_CHA_NYA |
| Luis Tiant | CLE | 3.98 | 196805260_CLE_ANA |
| Mike Cuellar | HOU | 2.61 | 196805250_LAN_HOU |
| Jim Kaat | MIN | 1.99 | 196805250_BOS_MIN |
| Don Drysdale | LAN | 1.94 | 196805260_LAN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Ellsworth | BOS | -4.76 | 196805260_BOS_MIN |
| Sammy Ellis | ANA | -4.26 | 196805270_DET_ANA |
| Fred Talbot | NYA | -3.94 | 196805250_CHA_NYA |
| Joe Sparma | DET | -1.24 | 196805260_DET_OAK |
| Frank Bertaina | TEX | -0.62 | 196805260_TEX_BAL |
Based on accumulated WAA for this season up to 1968-05-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.74 | Luis Tiant | 76.3 | CLE |
| +004+ | 2.73 | Bob Gibson | 80.7 | SLN |
| +005+ | 2.69 | Don Drysdale | 86 | LAN |
| +006+ | 2.52 | Tommy John | 68.7 | CHA |
| +007+ | 2.31 | Stan Williams | 47.7 | CLE |
| +009+ | 2.2 | Dave Giusti | 75 | HOU |
| +012+ | 2.06 | Jerry Koosman | 71.7 | NYN |
| +013+ | 2.03 | Jose Santiago | 72.7 | BOS |
| +015+ | 1.96 | Ray Sadecki | 82 | SFN |
| +017+ | 1.89 | Sam McDowell | 79.3 | CLE |
| +018+ | 1.88 | Bob Veale | 73 | PIT |
| +019+ | 1.86 | Joe Horlen | 62 | CHA |
| +023+ | 1.79 | Pat Jarvis | 79.3 | ATL |
| +025+ | 1.71 | Woodie Fryman | 73.3 | PHI |
| +027+ | 1.67 | Bill Singer | 80 | LAN |
| +028+ | 1.65 | Tom Seaver | 85 | NYN |
| +037+ | 1.44 | Tom Phoebus | 69.3 | BAL |
| +039+ | 1.4 | Gerry Arrigo | 71.7 | CIN |
| +046+ | 1.33 | Dick Selma | 34 | NYN |
| +047+ | 1.31 | Bill Hands | 70.7 | CHN |
| +049+ | 1.29 | Sonny Siebert | 76.7 | CLE |
| +050+ | 1.28 | Denny McLain | 80 | DET |
| XXXXX | 1.12 | George Brunet | 70 | ANA |
| XXXXX | 1.1 | Nolan Ryan | 56.7 | NYN |
| XXXXX | 1.1 | Mel Stottlemyre | 82.7 | NYA |
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