| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Bunning | PIT | 7.96 | 196805180_CIN_PIT |
| Joe Horlen | CHA | 6.58 | 196805170_OAK_CHA |
| Bob Gibson | SLN | 5.66 | 196805170_SLN_PHI |
| Luis Tiant | CLE | 4.11 | 196805170_BAL_CLE |
| Mike Cuellar | HOU | 2.32 | 196805192_HOU_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Culp | BOS | -6.71 | 196805180_NYA_BOS |
| Sammy Ellis | ANA | -5.36 | 196805191_ANA_MIN |
| Fred Talbot | NYA | -5 | 196805180_NYA_BOS |
| Dave Giusti | HOU | -1.82 | 196805180_HOU_LAN |
| Joe Niekro | CHN | -1.76 | 196805170_CHN_SFN |
Based on accumulated WAA for this season up to 1968-05-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.39 | Bob Gibson | 72.7 | SLN |
| +004+ | 2.37 | Ray Sadecki | 67.3 | SFN |
| +005+ | 2.18 | Luis Tiant | 59.3 | CLE |
| +011+ | 1.92 | Bob Veale | 58 | PIT |
| +010+ | 1.92 | Tommy John | 59.7 | CHA |
| +014+ | 1.79 | Gerry Arrigo | 57 | CIN |
| +015+ | 1.79 | Tom Phoebus | 65 | BAL |
| +020+ | 1.61 | Jose Santiago | 57.7 | BOS |
| +021+ | 1.6 | Stan Williams | 34.3 | CLE |
| +023+ | 1.57 | Tom Seaver | 68 | NYN |
| +025+ | 1.56 | Dave Giusti | 66 | HOU |
| +026+ | 1.51 | Pat Jarvis | 70.3 | ATL |
| +029+ | 1.46 | Don Drysdale | 68 | LAN |
| +030+ | 1.44 | Bill Singer | 71 | LAN |
| +033+ | 1.38 | Nolan Ryan | 51.7 | NYN |
| +034+ | 1.36 | Jerry Koosman | 54.7 | NYN |
| +037+ | 1.32 | Al McBean | 61.7 | PIT |
| XXXXX | 1.19 | Dick Selma | 32 | NYN |
| XXXXX | 1.17 | George Culver | 63.7 | CIN |
| XXXXX | 1.09 | Les Cain | 19.3 | DET |
| XXXXX | 1.06 | Dave McNally | 54 | BAL |
| XXXXX | 1.01 | Jim Britton | 16 | ATL |
| XXXXX | 1 | Chris Short | 69.7 | PHI |
| XXXXX | 0.94 | Don Cardwell | 48 | NYN |
| XXXXX | 0.93 | Camilo Pascual | 42.3 | TEX |
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