| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 10.78 | 198804190_BOS_DET |
| Mike Scott | HOU | 8.12 | 198804200_ATL_HOU |
| Jack Morris | DET | 5.84 | 198804190_BOS_DET |
| Dwight Gooden | NYN | 5.69 | 198804200_PHI_NYN |
| Dave Dravecky | SFN | 2.96 | 198804210_SFN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Nieves | MIL | -5.31 | 198804190_BAL_MIL |
| Jerry Reuss | CHA | -4.37 | 198804190_CHA_SEA |
| Scott McGregor | BAL | -3.73 | 198804210_BAL_MIL |
| Jamie Moyer | CHN | -3.04 | 198804190_WAS_CHN |
| Joe Niekro | MIN | -2.45 | 198804190_NYA_MIN |
Based on accumulated WAA for this season up to 1988-04-21.
| Rank | WAA | Name | IP | Tm |
|---|
_