| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Scott | HOU | 6.98 | 198805170_PIT_HOU |
| Dwight Gooden | NYN | 5.44 | 198805160_NYN_SDN |
| Fernando Valenzuela | LAN | 2.99 | 198805170_WAS_LAN |
| Danny Jackson | CIN | 2.14 | 198805150_CIN_PIT |
| John Tudor | SLN | 2.14 | 198805170_SLN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Nieves | MIL | -3.02 | 198805170_DET_MIL |
| Mike Moore | SEA | -2.94 | 198805160_SEA_NYA |
| Rich Yett | CLE | -2.77 | 198805170_CHA_CLE |
| Rick Mahler | ATL | -2.16 | 198805170_ATL_CIN |
| Jerry Reuss | CHA | -1.72 | 198805150_TOR_CHA |
Based on accumulated WAA for this season up to 1988-05-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.67 | Roger Clemens | 76 | BOS |
| +004+ | 3.41 | Kevin Gross | 69.7 | PHI |
| +005+ | 3.31 | Chris Bosio | 73 | MIL |
| +007+ | 2.96 | Ron Darling | 62 | NYN |
| +008+ | 2.83 | Bob Knepper | 42.3 | HOU |
| +011+ | 2.75 | Greg Maddux | 75 | CHN |
| +013+ | 2.55 | Dave LaPoint | 58 | CHA |
| +015+ | 2.38 | Bob Walk | 53.7 | PIT |
| +016+ | 2.36 | Tom Candiotti | 61.3 | CLE |
| +017+ | 2.32 | Pascual Perez | 53 | WAS |
| +021+ | 2.17 | John Tudor | 32.7 | SLN |
| +024+ | 2.09 | Greg Swindell | 65.3 | CLE |
| +023+ | 2.09 | Jim Deshaies | 46 | HOU |
| +026+ | 2.02 | David Cone | 40.3 | NYN |
| +027+ | 1.99 | Larry McWilliams | 40.3 | SLN |
| +031+ | 1.89 | Dave Stewart | 71.3 | OAK |
| +032+ | 1.84 | Teddy Higuera | 54.7 | MIL |
| +034+ | 1.79 | Paul Kilgus | 59.7 | TEX |
| +035+ | 1.78 | John Candelaria | 60.7 | NYA |
| +037+ | 1.75 | Mike Scott | 68.7 | HOU |
| +036+ | 1.75 | Danny Jackson | 58.3 | CIN |
| +039+ | 1.73 | Frank Viola | 65.3 | MIN |
| +042+ | 1.61 | Jose Guzman | 60 | TEX |
| +044+ | 1.49 | John Farrell | 61 | CLE |
| +049+ | 1.45 | Orel Hershiser | 54.7 | LAN |
_