| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | 7.68 | 198808100_CLE_MIN |
| Dennis Martinez | WAS | 6.5 | 198808100_PIT_WAS |
| Mark Gubicza | KCA | 4.88 | 198808110_BAL_KCA |
| David Cone | NYN | 4.84 | 198808120_WAS_NYN |
| Tim Leary | LAN | 4.68 | 198808120_SFN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Fraser | ANA | -7.47 | 198808100_SEA_ANA |
| Tom Glavine | ATL | -5.41 | 198808120_ATL_CIN |
| Curt Young | OAK | -2.89 | 198808100_CHA_OAK |
| Jim Clancy | TOR | -2.82 | 198808120_TOR_KCA |
| Bill Swift | SEA | -1.65 | 198808110_CHA_SEA |
Based on accumulated WAA for this season up to 1988-08-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.37 | Roger Clemens | 206.3 | BOS |
| +003+ | 6.06 | Frank Viola | 182 | MIN |
| +007+ | 5.67 | Dennis Martinez | 182.3 | WAS |
| +009+ | 5.43 | David Cone | 160.3 | NYN |
| +010+ | 5.31 | Tim Leary | 167 | LAN |
| +018+ | 4.77 | John Tudor | 145.3 | SLN |
| +019+ | 4.72 | Mark Gubicza | 184 | KCA |
| +023+ | 4.43 | Jeff Robinson | 153 | DET |
| +025+ | 4.23 | Teddy Higuera | 157.7 | MIL |
| +026+ | 4.21 | Danny Jackson | 174 | CIN |
| +029+ | 3.96 | Mike Scott | 155.7 | HOU |
| +031+ | 3.83 | Pascual Perez | 121.3 | WAS |
| +033+ | 3.76 | Orel Hershiser | 183 | LAN |
| +036+ | 3.58 | Allan Anderson | 138 | MIN |
| +037+ | 3.47 | Bob Walk | 158.3 | PIT |
| +038+ | 3.38 | Jose Rijo | 140.3 | CIN |
| +040+ | 3.33 | Greg Maddux | 190.7 | CHN |
| +044+ | 3.02 | Joe Magrane | 100.7 | SLN |
| +047+ | 2.89 | Don August | 88.7 | MIL |
| +050+ | 2.75 | Charlie Hough | 187.3 | TEX |
| +054+ | 2.61 | Dave Stewart | 203 | OAK |
| +065+ | 2.32 | Storm Davis | 151 | OAK |
| +078+ | 2.2 | Scott Bankhead | 108.3 | SEA |
| +077+ | 2.2 | Dwight Gooden | 183.3 | NYN |
| +083+ | 2.11 | Bobby Ojeda | 144 | NYN |
_