| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Horlen | CHA | 9.46 | 196806022_MIN_CHA |
| Bob Gibson | SLN | 5.86 | 196806021_SLN_NYN |
| Luis Tiant | CLE | 4.07 | 196805310_TEX_CLE |
| Don Drysdale | LAN | 2.63 | 196805310_SFN_LAN |
| Tom Seaver | NYN | 1.72 | 196805310_SLN_NYN |
| 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 |
| 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 1968-06-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.38 | Don Drysdale | 95 | LAN |
| +004+ | 3.02 | Luis Tiant | 85.3 | CLE |
| +008+ | 2.68 | Bob Gibson | 97.7 | SLN |
| +010+ | 2.62 | Tommy John | 76.7 | CHA |
| +011+ | 2.38 | Sam McDowell | 88.3 | CLE |
| +012+ | 2.37 | Woodie Fryman | 82.3 | PHI |
| +013+ | 2.27 | Joe Horlen | 77.7 | CHA |
| +014+ | 2.21 | Jerry Koosman | 79.3 | NYN |
| +015+ | 2.19 | Dave Giusti | 90 | HOU |
| +020+ | 2.03 | Pat Jarvis | 94.3 | ATL |
| +019+ | 2.03 | Bill Singer | 87.3 | LAN |
| +022+ | 1.9 | Tom Seaver | 94 | NYN |
| +024+ | 1.86 | Denny McLain | 97 | DET |
| +032+ | 1.7 | Stan Williams | 53.3 | CLE |
| +033+ | 1.68 | Bill Hands | 75.7 | CHN |
| +035+ | 1.67 | Larry Jaster | 38 | SLN |
| +037+ | 1.63 | Jim Nash | 69 | OAK |
| +038+ | 1.62 | Tom Phoebus | 82.3 | BAL |
| +040+ | 1.57 | Steve Carlton | 81 | SLN |
| +044+ | 1.47 | Mel Stottlemyre | 89.7 | NYA |
| +055+ | 1.31 | Mike Cuellar | 32.3 | HOU |
| +056+ | 1.27 | Ray Sadecki | 82.7 | SFN |
| XXXXX | 1.22 | Bob Veale | 77.7 | PIT |
| XXXXX | 1.21 | Gerry Arrigo | 77 | CIN |
| XXXXX | 1.17 | Jose Santiago | 76.7 | BOS |
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