| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Scott | HOU | 6.98 | 198805170_PIT_HOU |
| Dwight Gooden | NYN | 5.44 | 198805160_NYN_SDN |
| Ted Higuera | MIL | 4.08 | 198805180_DET_MIL |
| Fernando Valenzuela | LAN | 2.99 | 198805170_WAS_LAN |
| 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 |
| Jamie Moyer | CHN | -1.59 | 198805180_SLN_CHN |
Based on accumulated WAA for this season up to 1988-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.63 | Roger Clemens | 76 | BOS |
| +004+ | 3.4 | Kevin Gross | 69.7 | PHI |
| +005+ | 3.26 | Chris Bosio | 73 | MIL |
| +007+ | 2.93 | Ron Darling | 62 | NYN |
| +008+ | 2.92 | Tom Candiotti | 70.3 | CLE |
| +009+ | 2.81 | Bob Knepper | 42.3 | HOU |
| +012+ | 2.71 | Greg Maddux | 75 | CHN |
| +015+ | 2.54 | Dave LaPoint | 58 | CHA |
| +016+ | 2.37 | Bob Walk | 53.7 | PIT |
| +018+ | 2.29 | Pascual Perez | 53 | WAS |
| +021+ | 2.16 | John Tudor | 32.7 | SLN |
| +023+ | 2.07 | Jim Deshaies | 46 | HOU |
| +025+ | 2.05 | Greg Swindell | 65.3 | CLE |
| +026+ | 2 | David Cone | 40.3 | NYN |
| +028+ | 1.98 | Dave Stewart | 77.3 | OAK |
| +029+ | 1.97 | Larry McWilliams | 40.3 | SLN |
| +030+ | 1.93 | Teddy Higuera | 63 | MIL |
| +034+ | 1.87 | Doyle Alexander | 71 | DET |
| +035+ | 1.83 | Orel Hershiser | 61.7 | LAN |
| +037+ | 1.76 | Paul Kilgus | 59.7 | TEX |
| +038+ | 1.75 | John Candelaria | 60.7 | NYA |
| +039+ | 1.73 | Danny Jackson | 58.3 | CIN |
| +040+ | 1.72 | Mike Scott | 68.7 | HOU |
| +041+ | 1.69 | Frank Viola | 65.3 | MIN |
| +045+ | 1.58 | Jose Guzman | 60 | TEX |
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