| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Scott | HOU | 10.38 | 198804260_PHI_HOU |
| Dwight Gooden | NYN | 6.87 | 198804260_NYN_ATL |
| Rick Reuschel | SFN | 2.57 | 198804260_PIT_SFN |
| Mike Witt | ANA | 1.93 | 198804260_ANA_DET |
| John Tudor | SLN | 1.4 | 198804260_SLN_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Nieves | MIL | -6.52 | 198804270_MIL_TEX |
| Scott McGregor | BAL | -5.73 | 198804270_BAL_MIN |
| Steve Trout | SEA | -3.31 | 198804270_SEA_CLE |
| Jamie Moyer | CHN | -3.19 | 198804270_CHN_LAN |
| Jeff Robinson | DET | -2.08 | 198804260_ANA_DET |
Based on accumulated WAA for this season up to 1988-04-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.53 | Roger Clemens | 43 | BOS |
| +003+ | 2.44 | Dave LaPoint | 38.3 | CHA |
| +004+ | 2.33 | Ron Darling | 39 | NYN |
| +006+ | 2.2 | Kevin Gross | 38.3 | PHI |
| +008+ | 2.03 | Orel Hershiser | 32.3 | LAN |
| +009+ | 1.81 | Jose Guzman | 32 | TEX |
| +011+ | 1.79 | Pascual Perez | 38 | WAS |
| +012+ | 1.67 | Chris Bosio | 41 | MIL |
| +013+ | 1.66 | Mike Scott | 41.7 | HOU |
| +014+ | 1.62 | Charlie Hough | 41.7 | TEX |
| +015+ | 1.61 | Tom Candiotti | 42 | CLE |
| +020+ | 1.53 | Greg Maddux | 41 | CHN |
| +022+ | 1.29 | Brian Fisher | 27.3 | PIT |
| XXXXX | 1.25 | Greg Swindell | 42.7 | CLE |
| XXXXX | 1.23 | John Farrell | 37.7 | CLE |
| XXXXX | 1.2 | Bob Knepper | 19 | HOU |
| XXXXX | 1.18 | Bob Walk | 26 | PIT |
| XXXXX | 1.17 | Rick Reuschel | 28.3 | SFN |
| XXXXX | 1.06 | Dennis Martinez | 34.3 | WAS |
| XXXXX | 0.96 | Mark Gubicza | 34 | KCA |
| XXXXX | 0.91 | Dwight Gooden | 35 | NYN |
| XXXXX | 0.9 | Teddy Higuera | 30.3 | MIL |
| XXXXX | 0.88 | Jimmy Jones | 25.7 | SDN |
| XXXXX | 0.87 | Nolan Ryan | 37.3 | HOU |
| XXXXX | 0.84 | Bruce Hurst | 31 | BOS |
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