| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Bunning | PIT | 4.12 | 196805301_NYN_PIT |
| Luis Tiant | CLE | 4.07 | 196805310_TEX_CLE |
| Gary Peters | CHA | 2.98 | 196805310_MIN_CHA |
| Mike Cuellar | HOU | 2.82 | 196805300_HOU_ATL |
| Don Drysdale | LAN | 2.63 | 196805310_SFN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Milt Pappas | CIN | -6.63 | 196806010_CIN_PHI |
| Ray Culp | BOS | -5.22 | 196806010_BAL_BOS |
| Sammy Ellis | ANA | -4.84 | 196805310_ANA_OAK |
| Fred Talbot | NYA | -2.76 | 196805302_TEX_NYA |
| Joe Sparma | DET | -2.26 | 196805300_DET_ANA |
Based on accumulated WAA for this season up to 1968-06-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.32 | Don Drysdale | 95 | LAN |
| +005+ | 2.96 | Luis Tiant | 85.3 | CLE |
| +007+ | 2.65 | Bob Gibson | 88.7 | SLN |
| +008+ | 2.57 | Tommy John | 76.7 | CHA |
| +010+ | 2.32 | Woodie Fryman | 82.3 | PHI |
| +011+ | 2.32 | Sam McDowell | 88.3 | CLE |
| +015+ | 2.19 | Joe Horlen | 71 | CHA |
| +016+ | 2.19 | Pat Jarvis | 88.3 | ATL |
| +017+ | 2.15 | Jerry Koosman | 79.3 | NYN |
| +018+ | 2.06 | Dave Giusti | 82 | HOU |
| +019+ | 1.97 | Bill Singer | 87.3 | LAN |
| +022+ | 1.89 | Denny McLain | 89 | DET |
| +024+ | 1.83 | Tom Seaver | 94 | NYN |
| +030+ | 1.67 | Stan Williams | 53.3 | CLE |
| +029+ | 1.67 | Bill Hands | 75.7 | CHN |
| +032+ | 1.64 | Larry Jaster | 38 | SLN |
| +037+ | 1.6 | Tom Phoebus | 77.3 | BAL |
| +040+ | 1.52 | Steve Carlton | 81 | SLN |
| +044+ | 1.41 | Jim Nash | 60 | OAK |
| +045+ | 1.4 | Mel Stottlemyre | 89.7 | NYA |
| +051+ | 1.3 | Mike Cuellar | 32.3 | HOU |
| XXXXX | 1.22 | Ray Sadecki | 82.7 | SFN |
| XXXXX | 1.16 | Bob Veale | 77.7 | PIT |
| XXXXX | 1.16 | Gerry Arrigo | 77 | CIN |
| XXXXX | 1.13 | Camilo Pascual | 50.3 | TEX |
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