| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Horlen | CHA | 8.38 | 196806110_CHA_NYA |
| Bob Gibson | SLN | 5.95 | 196806110_SLN_ATL |
| Don Drysdale | LAN | 4.1 | 196806120_NYN_LAN |
| Sonny Siebert | CLE | 2.42 | 196806110_OAK_CLE |
| Chris Short | PHI | 2.01 | 196806130_HOU_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Niekro | CHN | -3.16 | 196806110_CIN_CHN |
| Tony Cloninger | CIN | -2.79 | 196806130_CIN_CHN |
| Fred Talbot | NYA | -2.76 | 196806110_CHA_NYA |
| Joe Sparma | DET | -2.74 | 196806112_MIN_DET |
| Frank Bertaina | TEX | -1.98 | 196806110_BAL_TEX |
Based on accumulated WAA for this season up to 1968-06-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.06 | Don Drysdale | 118.7 | LAN |
| +003+ | 3.95 | Luis Tiant | 103.3 | CLE |
| +004+ | 3.8 | Bob Gibson | 115.7 | SLN |
| +009+ | 3.05 | Jerry Koosman | 95.3 | NYN |
| +011+ | 2.93 | Woodie Fryman | 99.7 | PHI |
| +014+ | 2.74 | Jim Nash | 85 | OAK |
| +015+ | 2.73 | Sam McDowell | 113.3 | CLE |
| +017+ | 2.6 | Tom Seaver | 111 | NYN |
| +020+ | 2.56 | Tommy John | 76.7 | CHA |
| +021+ | 2.35 | Bill Singer | 102.3 | LAN |
| +022+ | 2.25 | Stan Williams | 68.3 | CLE |
| +025+ | 2.14 | Denny McLain | 120 | DET |
| +028+ | 2.08 | Johnny Odom | 78.3 | OAK |
| +035+ | 1.83 | Dave McNally | 86.3 | BAL |
| +037+ | 1.82 | Pat Jarvis | 107.3 | ATL |
| +039+ | 1.79 | Larry Jaster | 53 | SLN |
| +041+ | 1.78 | Dave Giusti | 103 | HOU |
| +044+ | 1.66 | Mel Stottlemyre | 105.7 | NYA |
| +045+ | 1.64 | Chris Short | 105.3 | PHI |
| +048+ | 1.53 | Joe Horlen | 89.7 | CHA |
| +054+ | 1.46 | Nolan Ryan | 77.3 | NYN |
| +059+ | 1.41 | Gary Bell | 78 | BOS |
| +060+ | 1.37 | Jose Santiago | 98.7 | BOS |
| +064+ | 1.31 | Dick Selma | 55.7 | NYN |
| +065+ | 1.3 | Jim Hardin | 84.7 | BAL |
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