| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 8.78 | 198804140_MIL_BOS |
| Mike Scott | HOU | 7.11 | 198804150_CIN_HOU |
| Jack Morris | DET | 4.92 | 198804140_TEX_DET |
| Dwight Gooden | NYN | 4.47 | 198804150_SLN_NYN |
| Bob Welch | OAK | 4.13 | 198804150_CHA_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Scott McGregor | BAL | -3.82 | 198804150_CLE_BAL |
| Rick Mahler | ATL | -3.62 | 198804160_ATL_LAN |
| Ed Whitson | SDN | -2.54 | 198804160_SFN_SDN |
| Mike Moore | SEA | -2.07 | 198804150_ANA_SEA |
| Chris Bosio | MIL | -1.74 | 198804160_NYA_MIL |
Based on accumulated WAA for this season up to 1988-04-16.
| Rank | WAA | Name | IP | Tm |
|---|
_