| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Horlen | CHA | 7.83 | 196805210_CHA_BAL |
| Bob Gibson | SLN | 6.31 | 196805220_LAN_SLN |
| Jim Bunning | PIT | 6.22 | 196805220_PIT_CHN |
| Luis Tiant | CLE | 4.04 | 196805212_CLE_OAK |
| Gaylord Perry | SFN | 1.76 | 196805230_SFN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Milt Pappas | CIN | -4.5 | 196805210_HOU_CIN |
| Dick Ellsworth | BOS | -4.05 | 196805210_BOS_ANA |
| Sammy Ellis | ANA | -4.04 | 196805230_CLE_ANA |
| Joe Niekro | CHN | -1.41 | 196805220_PIT_CHN |
| Joe Sparma | DET | -1.34 | 196805210_DET_MIN |
Based on accumulated WAA for this season up to 1968-05-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.66 | Bob Gibson | 80.7 | SLN |
| +004+ | 2.48 | Luis Tiant | 67.3 | CLE |
| +005+ | 2.14 | Dave Giusti | 75 | HOU |
| +008+ | 2.02 | Don Drysdale | 77 | LAN |
| +010+ | 1.97 | Ray Sadecki | 74 | SFN |
| +012+ | 1.92 | Bob Veale | 66 | PIT |
| +013+ | 1.89 | Tommy John | 59.7 | CHA |
| +016+ | 1.84 | Stan Williams | 41.3 | CLE |
| +017+ | 1.81 | Gerry Arrigo | 64 | CIN |
| +022+ | 1.67 | Pat Jarvis | 79.3 | ATL |
| +023+ | 1.64 | Jerry Koosman | 63.7 | NYN |
| +024+ | 1.61 | Sam McDowell | 73.3 | CLE |
| +027+ | 1.58 | Bill Singer | 80 | LAN |
| +028+ | 1.54 | Tom Seaver | 79 | NYN |
| +032+ | 1.42 | Jose Santiago | 64.7 | BOS |
| +035+ | 1.39 | Tom Phoebus | 69.3 | BAL |
| +037+ | 1.32 | Nolan Ryan | 51.7 | NYN |
| +041+ | 1.28 | Joe Horlen | 53.7 | CHA |
| XXXXX | 1.19 | Sonny Siebert | 76.7 | CLE |
| XXXXX | 1.16 | George Culver | 63.7 | CIN |
| XXXXX | 1.15 | Dick Selma | 32 | NYN |
| XXXXX | 1.1 | Chuck Dobson | 64 | OAK |
| XXXXX | 1.08 | Les Cain | 19.3 | DET |
| XXXXX | 1.07 | Jim Nash | 51 | OAK |
| XXXXX | 1.04 | Joe Coleman | 53.7 | TEX |
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