| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 15.06 | 196808090_SLN_ATL |
| Luis Tiant | CLE | 8.18 | 196808100_CLE_CHA |
| Juan Marichal | SFN | 6.15 | 196808090_NYN_SFN |
| Denny McLain | DET | 3.08 | 196808080_CLE_DET |
| Tommy John | CHA | 3.07 | 196808090_CLE_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Bertaina | TEX | -4.36 | 196808100_OAK_TEX |
| Tony Cloninger | CIN | -4.22 | 196808080_CIN_SLN |
| Joe Niekro | CHN | -3.24 | 196808100_CHN_CIN |
| Milt Pappas | ATL | -2.95 | 196808100_SLN_ATL |
| Ray Culp | BOS | -2.53 | 196808080_BOS_CHA |
Based on accumulated WAA for this season up to 1968-08-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.37 | Bob Gibson | 216.7 | SLN |
| +003+ | 7.24 | Luis Tiant | 209.7 | CLE |
| +006+ | 5.71 | Denny McLain | 237.3 | DET |
| +007+ | 5.38 | Sam McDowell | 188.7 | CLE |
| +008+ | 5.33 | Don Drysdale | 212.3 | LAN |
| +009+ | 5.17 | Dave McNally | 187.3 | BAL |
| +010+ | 5.04 | Juan Marichal | 250.7 | SFN |
| +016+ | 4.49 | Jerry Koosman | 188 | NYN |
| +020+ | 3.97 | Tom Seaver | 192.7 | NYN |
| +023+ | 3.68 | Jim Nash | 157 | OAK |
| +024+ | 3.62 | Jim Hardin | 174.3 | BAL |
| +025+ | 3.61 | Bob Veale | 177.3 | PIT |
| +026+ | 3.59 | Tommy John | 157.3 | CHA |
| +028+ | 3.55 | Tom Phoebus | 173.3 | BAL |
| +030+ | 3.5 | Mel Stottlemyre | 202 | NYA |
| +033+ | 3.45 | Stan Bahnsen | 174 | NYA |
| +037+ | 3.15 | Woodie Fryman | 183 | PHI |
| +038+ | 3.1 | Bobby Bolin | 102 | SFN |
| +040+ | 2.88 | Dean Chance | 199 | MIN |
| +049+ | 2.62 | Wilbur Wood | 112.3 | CHA |
| +052+ | 2.54 | Mike Cuellar | 118.7 | HOU |
| +059+ | 2.24 | Jose Santiago | 124 | BOS |
| +060+ | 2.2 | Ferguson Jenkins | 209 | CHN |
| +066+ | 2.01 | Gaylord Perry | 198 | SFN |
| +069+ | 1.96 | Nelson Briles | 184.7 | SLN |
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