| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Horlen | CHA | 9.46 | 196806022_MIN_CHA |
| Bob Gibson | SLN | 5.86 | 196806021_SLN_NYN |
| Sonny Siebert | CLE | 3.13 | 196806022_TEX_CLE |
| Jim Kaat | MIN | 2.2 | 196806030_MIN_NYA |
| Gaylord Perry | SFN | 1.45 | 196806010_SFN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Milt Pappas | CIN | -6.63 | 196806010_CIN_PHI |
| Ray Culp | BOS | -5.22 | 196806010_BAL_BOS |
| Joe Sparma | DET | -2.26 | 196806030_DET_BOS |
| Dick Bosman | TEX | -2.14 | 196806010_TEX_CLE |
| Jack Fisher | CHA | -1.68 | 196806021_MIN_CHA |
Based on accumulated WAA for this season up to 1968-06-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.36 | Don Drysdale | 95 | LAN |
| +006+ | 2.93 | Luis Tiant | 85.3 | CLE |
| +008+ | 2.65 | Bob Gibson | 97.7 | SLN |
| +010+ | 2.55 | Tommy John | 76.7 | CHA |
| +011+ | 2.34 | Woodie Fryman | 82.3 | PHI |
| +012+ | 2.33 | Sam McDowell | 95.3 | CLE |
| +014+ | 2.19 | Jerry Koosman | 79.3 | NYN |
| +013+ | 2.19 | Joe Horlen | 77.7 | CHA |
| +016+ | 2.17 | Dave Giusti | 90 | HOU |
| +022+ | 2.01 | Pat Jarvis | 94.3 | ATL |
| +021+ | 2.01 | Bill Singer | 87.3 | LAN |
| +025+ | 1.88 | Tom Seaver | 94 | NYN |
| +026+ | 1.85 | Denny McLain | 97 | DET |
| +029+ | 1.72 | Ray Sadecki | 89.7 | SFN |
| +034+ | 1.66 | Larry Jaster | 38 | SLN |
| +035+ | 1.66 | Bill Hands | 75.7 | CHN |
| +038+ | 1.65 | Stan Williams | 53.3 | CLE |
| +040+ | 1.61 | Jim Nash | 69 | OAK |
| +041+ | 1.59 | Tom Phoebus | 82.3 | BAL |
| +043+ | 1.56 | Steve Carlton | 81 | SLN |
| +046+ | 1.46 | Dave McNally | 77.3 | BAL |
| +047+ | 1.44 | Mel Stottlemyre | 89.7 | NYA |
| +058+ | 1.3 | Mike Cuellar | 32.3 | HOU |
| XXXXX | 1.24 | Bob Veale | 84.7 | PIT |
| XXXXX | 1.2 | Gerry Arrigo | 77 | CIN |
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