| 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 |
|---|---|---|---|
| Ray Culp | BOS | -4.87 | 196805240_BOS_MIN |
| Fred Talbot | NYA | -3.94 | 196805250_CHA_NYA |
| Joe Sparma | DET | -1.24 | 196805260_DET_OAK |
| Ken Holtzman | CHN | -0.87 | 196805240_SFN_CHN |
| Jim Hannan | TEX | -0.73 | 196805242_TEX_BAL |
Based on accumulated WAA for this season up to 1968-05-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.73 | Luis Tiant | 76.3 | CLE |
| +004+ | 2.72 | Bob Gibson | 80.7 | SLN |
| +005+ | 2.66 | Don Drysdale | 86 | LAN |
| +006+ | 2.51 | Tommy John | 68.7 | CHA |
| +008+ | 2.19 | Dave Giusti | 75 | HOU |
| +010+ | 2.05 | Jerry Koosman | 71.7 | NYN |
| +011+ | 2.02 | Jose Santiago | 72.7 | BOS |
| +015+ | 1.95 | Ray Sadecki | 82 | SFN |
| +017+ | 1.89 | Stan Williams | 41.3 | CLE |
| +018+ | 1.88 | Bob Veale | 73 | PIT |
| +019+ | 1.87 | Sam McDowell | 79.3 | CLE |
| +020+ | 1.85 | Joe Horlen | 62 | CHA |
| +023+ | 1.78 | Pat Jarvis | 79.3 | ATL |
| +025+ | 1.7 | Woodie Fryman | 73.3 | PHI |
| +029+ | 1.64 | Tom Seaver | 85 | NYN |
| +028+ | 1.64 | Bill Singer | 80 | LAN |
| +036+ | 1.44 | Tom Phoebus | 69.3 | BAL |
| +041+ | 1.39 | Gerry Arrigo | 71.7 | CIN |
| +046+ | 1.33 | Dick Selma | 34 | NYN |
| +048+ | 1.3 | Denny McLain | 80 | DET |
| +049+ | 1.3 | Bill Hands | 70.7 | CHN |
| +050+ | 1.28 | Sonny Siebert | 76.7 | CLE |
| XXXXX | 1.15 | George Brunet | 70 | ANA |
| XXXXX | 1.09 | Nolan Ryan | 56.7 | NYN |
| XXXXX | 1.09 | Mel Stottlemyre | 82.7 | NYA |
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