| 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 |
|---|---|---|---|
| Juan Nieves | MIL | -4.41 | 198804130_MIL_BOS |
| Scott McGregor | BAL | -3.82 | 198804150_CLE_BAL |
| Jamie Moyer | CHN | -3.06 | 198804130_CHN_SLN |
| Mike Moore | SEA | -2.07 | 198804150_ANA_SEA |
| Rich Yett | CLE | -1.72 | 198804150_CLE_BAL |
Based on accumulated WAA for this season up to 1988-04-15.
| Rank | WAA | Name | IP | Tm |
|---|
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