| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Scott | HOU | 8.04 | 198805010_WAS_HOU |
| Dwight Gooden | NYN | 4.98 | 198805010_NYN_CIN |
| Fernando Valenzuela | LAN | 2.39 | 198804300_SLN_LAN |
| Rick Reuschel | SFN | 1.91 | 198805010_CHN_SFN |
| Pascual Perez | WAS | 1.48 | 198805020_WAS_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Nieves | MIL | -4.11 | 198805020_MIN_MIL |
| Mike Moore | SEA | -2.79 | 198805010_SEA_DET |
| Bobby Witt | TEX | -2.69 | 198804300_TEX_NYA |
| Al Nipper | CHN | -2.6 | 198804300_CHN_SFN |
| Jerry Reuss | CHA | -2.51 | 198805020_NYA_CHA |
Based on accumulated WAA for this season up to 1988-05-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.76 | Kevin Gross | 47.3 | PHI |
| +004+ | 2.4 | Dave LaPoint | 38.3 | CHA |
| +005+ | 2.38 | Roger Clemens | 51.3 | BOS |
| +006+ | 2.36 | Mike Scott | 50.7 | HOU |
| +007+ | 2.3 | Ron Darling | 46 | NYN |
| +008+ | 2.21 | Tom Candiotti | 49 | CLE |
| +009+ | 2.13 | Charlie Hough | 49.3 | TEX |
| +011+ | 2.09 | Orel Hershiser | 40.3 | LAN |
| +012+ | 2.02 | Greg Swindell | 51.7 | CLE |
| +013+ | 1.81 | Pascual Perez | 46 | WAS |
| +014+ | 1.72 | Bob Walk | 32 | PIT |
| +016+ | 1.69 | Dwight Gooden | 44 | NYN |
| +023+ | 1.51 | Rick Reuschel | 35.3 | SFN |
| +029+ | 1.3 | Chris Bosio | 49 | MIL |
| +030+ | 1.28 | Brian Fisher | 29.3 | PIT |
| XXXXX | 1.21 | John Farrell | 37.7 | CLE |
| XXXXX | 1.21 | Jim Deshaies | 32 | HOU |
| XXXXX | 1.17 | Bob Knepper | 19 | HOU |
| XXXXX | 1.17 | Greg Maddux | 47 | CHN |
| XXXXX | 1.08 | Paul Kilgus | 37.7 | TEX |
| XXXXX | 1.08 | John Tudor | 12 | SLN |
| XXXXX | 1.04 | Dennis Martinez | 39.3 | WAS |
| XXXXX | 0.87 | Teddy Higuera | 30.3 | MIL |
| XXXXX | 0.84 | Jose Guzman | 37.3 | TEX |
| XXXXX | 0.8 | Dave Stewart | 48.3 | OAK |
_