| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 6.61 | 196806150_CIN_SLN |
| Tommy John | CHA | 5.42 | 196806150_DET_CHA |
| Luis Tiant | CLE | 5.19 | 196806140_BOS_CLE |
| Tom Seaver | NYN | 2.63 | 196806150_SFN_NYN |
| Juan Marichal | SFN | 2.38 | 196806150_SFN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Milt Pappas | ATL | -6.59 | 196806150_CHN_ATL |
| Dick Ellsworth | BOS | -4.19 | 196806140_BOS_CLE |
| Joe Niekro | CHN | -3.55 | 196806150_CHN_ATL |
| Sammy Ellis | ANA | -2.83 | 196806150_TEX_ANA |
| Tony Cloninger | CIN | -2.79 | 196806130_CIN_CHN |
Based on accumulated WAA for this season up to 1968-06-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.42 | Bob Gibson | 124.7 | SLN |
| +003+ | 4.11 | Don Drysdale | 118.7 | LAN |
| +005+ | 3.95 | Luis Tiant | 109.3 | CLE |
| +009+ | 3.35 | Woodie Fryman | 108.7 | PHI |
| +010+ | 3.24 | Jerry Koosman | 104.3 | NYN |
| +012+ | 2.99 | Bill Singer | 111.3 | LAN |
| +016+ | 2.75 | Sam McDowell | 113.3 | CLE |
| +017+ | 2.74 | Jim Nash | 85 | OAK |
| +018+ | 2.69 | Tommy John | 82.3 | CHA |
| +024+ | 2.11 | Denny McLain | 120 | DET |
| +025+ | 2.09 | Johnny Odom | 78.3 | OAK |
| +032+ | 1.86 | Mel Stottlemyre | 114.7 | NYA |
| +034+ | 1.84 | Pat Jarvis | 107.3 | ATL |
| +033+ | 1.84 | Tom Seaver | 115 | NYN |
| +036+ | 1.83 | Dave Giusti | 103 | HOU |
| +041+ | 1.78 | Stan Williams | 73.7 | CLE |
| +043+ | 1.72 | Dave McNally | 93.3 | BAL |
| +045+ | 1.65 | Chris Short | 105.3 | PHI |
| +046+ | 1.64 | Bob Veale | 98.7 | PIT |
| +047+ | 1.59 | Larry Jaster | 59.3 | SLN |
| +049+ | 1.5 | Joe Horlen | 89.7 | CHA |
| +051+ | 1.48 | Nolan Ryan | 77.3 | NYN |
| +054+ | 1.45 | Pat Dobson | 40.7 | DET |
| +056+ | 1.42 | Gary Bell | 78 | BOS |
| +061+ | 1.38 | Jose Santiago | 98.7 | BOS |
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