| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Scott | HOU | 6.38 | 198806030_HOU_SFN |
| John Tudor | SLN | 4.03 | 198806020_SLN_PHI |
| Frank Viola | MIN | 2.02 | 198806010_TEX_MIN |
| Fernando Valenzuela | LAN | 1.4 | 198806030_CIN_LAN |
| Kevin Gross | PHI | 1.37 | 198806010_SDN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rich Yett | CLE | -3 | 198806030_CLE_DET |
| Mike Campbell | SEA | -1.65 | 198806030_SEA_KCA |
| Jamie Moyer | CHN | -1.29 | 198806030_CHN_NYN |
| Mike Birkbeck | MIL | -1.09 | 198806010_MIL_TOR |
| Rick Mahler | ATL | -1.02 | 198806010_PIT_ATL |
Based on accumulated WAA for this season up to 1988-06-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.93 | Roger Clemens | 104 | BOS |
| +005+ | 3.58 | Greg Swindell | 89.7 | CLE |
| +006+ | 3.5 | Bob Knepper | 62.3 | HOU |
| +007+ | 3.47 | David Cone | 64.7 | NYN |
| +008+ | 3.4 | Greg Maddux | 97.3 | CHN |
| +009+ | 3.37 | John Tudor | 55 | SLN |
| +010+ | 3.27 | Ron Darling | 86 | NYN |
| +011+ | 3.03 | Frank Viola | 89.7 | MIN |
| +015+ | 2.87 | Orel Hershiser | 78.7 | LAN |
| +019+ | 2.68 | Chris Bosio | 91.7 | MIL |
| +018+ | 2.68 | Kevin Gross | 89.3 | PHI |
| +024+ | 2.56 | Larry McWilliams | 60.3 | SLN |
| +026+ | 2.45 | Tom Candiotti | 86.3 | CLE |
| +028+ | 2.37 | Jim Deshaies | 61.3 | HOU |
| +030+ | 2.32 | John Candelaria | 74.7 | NYA |
| +032+ | 2.3 | Pascual Perez | 53 | WAS |
| +033+ | 2.29 | Dave LaPoint | 80.7 | CHA |
| +034+ | 2.27 | Teddy Higuera | 71 | MIL |
| +039+ | 2.12 | Dave Stieb | 75.3 | TOR |
| +040+ | 1.99 | Dennis Martinez | 76 | WAS |
| +045+ | 1.92 | Paul Kilgus | 77.3 | TEX |
| +047+ | 1.83 | Tom Filer | 24.7 | MIL |
| +055+ | 1.67 | John Farrell | 84.7 | CLE |
| +061+ | 1.59 | Tim Leary | 64 | LAN |
| +066+ | 1.51 | Bob Walk | 69.7 | PIT |
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