| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 16.67 | 196808190_SLN_PHI |
| Luis Tiant | CLE | 7.78 | 196808190_BOS_CLE |
| Don Drysdale | LAN | 5.94 | 196808200_LAN_HOU |
| Denny McLain | DET | 5.2 | 196808202_CHA_DET |
| Tommy John | CHA | 2.96 | 196808181_CHA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Bertaina | TEX | -4.38 | 196808201_TEX_OAK |
| Joe Niekro | CHN | -3.24 | 196808182_CIN_CHN |
| Steve Hargan | CLE | -0.84 | 196808182_CHA_CLE |
| Juan Pizarro | BOS | -0.68 | 196808180_DET_BOS |
| Jim McGlothlin | ANA | -0.64 | 196808190_BAL_ANA |
Based on accumulated WAA for this season up to 1968-08-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.5 | Bob Gibson | 234.7 | SLN |
| +003+ | 6.88 | Luis Tiant | 222.7 | CLE |
| +006+ | 6.26 | Denny McLain | 261 | DET |
| +007+ | 6.15 | Sam McDowell | 206 | CLE |
| +009+ | 5.65 | Jerry Koosman | 209 | NYN |
| +010+ | 5.52 | Juan Marichal | 264.7 | SFN |
| +012+ | 5.19 | Don Drysdale | 233 | LAN |
| +013+ | 5.07 | Dave McNally | 200 | BAL |
| +014+ | 4.92 | Tom Seaver | 216.7 | NYN |
| +023+ | 4.06 | Stan Bahnsen | 188.3 | NYA |
| +024+ | 4.03 | Tommy John | 175 | CHA |
| +025+ | 3.99 | Bob Veale | 194.3 | PIT |
| +026+ | 3.93 | Bobby Bolin | 117.3 | SFN |
| +035+ | 3.43 | Jim Hardin | 194.7 | BAL |
| +036+ | 3.4 | Dean Chance | 224 | MIN |
| +040+ | 3.07 | Woodie Fryman | 190.3 | PHI |
| +048+ | 2.65 | Jim Nash | 175.3 | OAK |
| +052+ | 2.56 | Wilbur Wood | 123 | CHA |
| +053+ | 2.54 | Tom Phoebus | 188 | BAL |
| +057+ | 2.39 | Mel Stottlemyre | 218.7 | NYA |
| +058+ | 2.39 | Gaylord Perry | 213.3 | SFN |
| +068+ | 2.09 | Vicente Romo | 61 | TOT |
| +070+ | 1.95 | Bob Moose | 127.3 | PIT |
| +071+ | 1.94 | Tom Murphy | 99.3 | ANA |
| +072+ | 1.91 | Pat Jarvis | 196.3 | ATL |
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