| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 17.96 | 196808240_PIT_SLN |
| Luis Tiant | CLE | 7.02 | 196808240_CLE_TEX |
| Juan Marichal | SFN | 6.01 | 196808250_SFN_LAN |
| Denny McLain | DET | 4.76 | 196808240_DET_NYA |
| Don Drysdale | LAN | 4.72 | 196808240_SFN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Niekro | CHN | -3.24 | 196808230_CHN_HOU |
| Joe Sparma | DET | -3.04 | 196808232_DET_NYA |
| Sammy Ellis | ANA | -2.92 | 196808240_ANA_OAK |
| Rick Wise | PHI | -2.21 | 196808230_PHI_ATL |
| Mike Paul | CLE | -0.82 | 196808230_CLE_TEX |
Based on accumulated WAA for this season up to 1968-08-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.62 | Bob Gibson | 243.7 | SLN |
| +003+ | 7.29 | Luis Tiant | 227.7 | CLE |
| +006+ | 6.25 | Denny McLain | 268 | DET |
| +009+ | 5.5 | Tom Seaver | 225.7 | NYN |
| +010+ | 5.46 | Juan Marichal | 282.3 | SFN |
| +011+ | 5.35 | Sam McDowell | 211.7 | CLE |
| +012+ | 5.25 | Jerry Koosman | 213 | NYN |
| +015+ | 4.79 | Dave McNally | 206 | BAL |
| +016+ | 4.73 | Don Drysdale | 239 | LAN |
| +023+ | 4.38 | Stan Bahnsen | 197.3 | NYA |
| +025+ | 4.11 | Bob Veale | 200.3 | PIT |
| +026+ | 4.1 | Tommy John | 177.3 | CHA |
| +034+ | 3.42 | Bobby Bolin | 118 | SFN |
| +035+ | 3.37 | Jim Hardin | 203.7 | BAL |
| +039+ | 3.24 | Dean Chance | 231.3 | MIN |
| +040+ | 3.19 | Woodie Fryman | 190.3 | PHI |
| +043+ | 2.94 | Gaylord Perry | 222.3 | SFN |
| +051+ | 2.7 | Mel Stottlemyre | 227.7 | NYA |
| +052+ | 2.68 | Pat Jarvis | 205.3 | ATL |
| +053+ | 2.55 | Tom Phoebus | 195 | BAL |
| +056+ | 2.48 | Jim Nash | 180.3 | OAK |
| +066+ | 2.14 | Ferguson Jenkins | 240 | CHN |
| +072+ | 2.02 | Nelson Briles | 204 | SLN |
| +073+ | 2.02 | Mike Cuellar | 137 | HOU |
| +076+ | 1.98 | Tom Murphy | 99.3 | ANA |
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