| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 16.67 | 196808190_SLN_PHI |
| Luis Tiant | CLE | 7.78 | 196808190_BOS_CLE |
| Juan Marichal | SFN | 6.07 | 196808210_SFN_NYN |
| Don Drysdale | LAN | 5.94 | 196808200_LAN_HOU |
| Denny McLain | DET | 5.2 | 196808202_CHA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Bertaina | TEX | -4.38 | 196808201_TEX_OAK |
| Milt Pappas | ATL | -1.76 | 196808211_ATL_CHN |
| Rich Nye | CHN | -1.09 | 196808212_ATL_CHN |
| Cisco Carlos | CHA | -0.76 | 196808210_CHA_DET |
| Jim Maloney | CIN | -0.69 | 196808210_PIT_CIN |
Based on accumulated WAA for this season up to 1968-08-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.58 | Bob Gibson | 234.7 | SLN |
| +003+ | 6.96 | Luis Tiant | 222.7 | CLE |
| +005+ | 6.34 | Denny McLain | 261 | DET |
| +007+ | 6.23 | Sam McDowell | 206 | CLE |
| +009+ | 5.73 | Jerry Koosman | 209 | NYN |
| +010+ | 5.62 | Juan Marichal | 273.7 | SFN |
| +013+ | 5.29 | Don Drysdale | 233 | LAN |
| +014+ | 5 | Tom Seaver | 216.7 | NYN |
| +015+ | 4.86 | Dave McNally | 206 | BAL |
| +023+ | 4.13 | Stan Bahnsen | 188.3 | NYA |
| +024+ | 4.09 | Tommy John | 175 | CHA |
| +025+ | 4.06 | Bob Veale | 194.3 | PIT |
| +026+ | 3.97 | Bobby Bolin | 117.3 | SFN |
| +035+ | 3.48 | Dean Chance | 224 | MIN |
| +037+ | 3.43 | Jim Hardin | 194.7 | BAL |
| +039+ | 3.14 | Woodie Fryman | 190.3 | PHI |
| +048+ | 2.71 | Jim Nash | 175.3 | OAK |
| +052+ | 2.54 | Tom Phoebus | 188 | BAL |
| +056+ | 2.47 | Mel Stottlemyre | 218.7 | NYA |
| +057+ | 2.46 | Gaylord Perry | 213.3 | SFN |
| +067+ | 2.13 | Vicente Romo | 61.3 | TOT |
| +072+ | 2 | Bob Moose | 127.3 | PIT |
| +071+ | 2 | Pat Jarvis | 196.3 | ATL |
| +073+ | 1.94 | Tom Murphy | 99.3 | ANA |
| +076+ | 1.85 | Johnny Odom | 175 | OAK |
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