| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 6.63 | 196808170_SFN_PHI |
| Don Drysdale | LAN | 6.39 | 196808160_LAN_PIT |
| Sam McDowell | CLE | 3.96 | 196808160_CHA_CLE |
| Denny McLain | DET | 3.82 | 196808160_DET_BOS |
| Dave McNally | BAL | 3.16 | 196808170_BAL_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tony Cloninger | CIN | -3.54 | 196808170_CIN_CHN |
| Joe Niekro | CHN | -3.24 | 196808182_CIN_CHN |
| Milt Pappas | ATL | -2.69 | 196808160_ATL_SLN |
| Jim Hunter | OAK | -2.3 | 196808170_NYA_OAK |
| Rick Wise | PHI | -1.92 | 196808170_SFN_PHI |
Based on accumulated WAA for this season up to 1968-08-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.89 | Bob Gibson | 225.7 | SLN |
| +003+ | 7.12 | Luis Tiant | 216.7 | CLE |
| +005+ | 6.31 | Denny McLain | 255.3 | DET |
| +007+ | 5.92 | Don Drysdale | 228.3 | LAN |
| +008+ | 5.76 | Sam McDowell | 197 | CLE |
| +009+ | 5.67 | Juan Marichal | 264.7 | SFN |
| +012+ | 5.08 | Dave McNally | 200 | BAL |
| +013+ | 4.94 | Jerry Koosman | 197 | NYN |
| +014+ | 4.62 | Tom Seaver | 210.7 | NYN |
| +023+ | 4.04 | Tommy John | 175 | CHA |
| +024+ | 3.99 | Bob Veale | 194.3 | PIT |
| +027+ | 3.72 | Jim Nash | 172.3 | OAK |
| +033+ | 3.58 | Stan Bahnsen | 181.3 | NYA |
| +035+ | 3.55 | Tom Phoebus | 184.3 | BAL |
| +037+ | 3.22 | Bobby Bolin | 106.3 | SFN |
| +039+ | 3.16 | Woodie Fryman | 188.3 | PHI |
| +045+ | 2.81 | Jim Hardin | 185.7 | BAL |
| +047+ | 2.79 | Dean Chance | 215 | MIN |
| +049+ | 2.71 | Wilbur Wood | 122 | CHA |
| +053+ | 2.67 | Nelson Briles | 193.7 | SLN |
| +055+ | 2.5 | Gaylord Perry | 213.3 | SFN |
| +070+ | 1.95 | Tom Murphy | 99.3 | ANA |
| +071+ | 1.95 | Bob Moose | 127.3 | PIT |
| +072+ | 1.92 | Pat Jarvis | 196.3 | ATL |
| +075+ | 1.89 | Vicente Romo | 58 | TOT |
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