| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 7.81 | 196806200_CHN_SLN |
| Joe Horlen | CHA | 5.37 | 196806211_BOS_CHA |
| Don Drysdale | LAN | 4.97 | 196806220_LAN_NYN |
| Mike Cuellar | HOU | 2.35 | 196806210_PHI_HOU |
| Chris Short | PHI | 2.33 | 196806220_PHI_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Milt Pappas | ATL | -5.68 | 196806200_CIN_ATL |
| Joe Niekro | CHN | -3.35 | 196806210_CHN_CIN |
| Dick Ellsworth | BOS | -3.27 | 196806200_BOS_DET |
| Ray Washburn | SLN | -1.3 | 196806220_ATL_SLN |
| Rick Wise | PHI | -1.11 | 196806200_SFN_PHI |
Based on accumulated WAA for this season up to 1968-06-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.99 | Bob Gibson | 133.7 | SLN |
| +003+ | 4.85 | Don Drysdale | 132.3 | LAN |
| +006+ | 4.33 | Luis Tiant | 118.3 | CLE |
| +007+ | 3.77 | Woodie Fryman | 117.7 | PHI |
| +009+ | 3.44 | Jerry Koosman | 113.3 | NYN |
| +012+ | 3.08 | Bill Singer | 118.3 | LAN |
| +013+ | 3.06 | Sam McDowell | 121.3 | CLE |
| +018+ | 2.83 | Jim Nash | 92.3 | OAK |
| +021+ | 2.75 | Denny McLain | 136 | DET |
| +023+ | 2.41 | Tommy John | 90.3 | CHA |
| +025+ | 2.15 | Johnny Odom | 85.3 | OAK |
| +026+ | 2.03 | Bob Veale | 107.7 | PIT |
| +028+ | 2.01 | Stan Williams | 80.3 | CLE |
| +033+ | 1.94 | Stan Bahnsen | 103.3 | NYA |
| +035+ | 1.92 | Dave McNally | 101.7 | BAL |
| +037+ | 1.89 | Jose Santiago | 114.7 | BOS |
| +042+ | 1.82 | Mike Cuellar | 64.3 | HOU |
| +043+ | 1.81 | Tom Seaver | 123.7 | NYN |
| +044+ | 1.81 | Larry Jaster | 66 | SLN |
| +048+ | 1.77 | Mel Stottlemyre | 122.7 | NYA |
| +049+ | 1.76 | Ferguson Jenkins | 119.7 | CHN |
| +052+ | 1.72 | Dick Selma | 71 | NYN |
| +055+ | 1.64 | Chris Short | 120.3 | PHI |
| +060+ | 1.56 | Pat Jarvis | 122.7 | ATL |
| +063+ | 1.54 | Ray Sadecki | 120 | SFN |
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