| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | 5.51 | 198807010_MIN_MIL |
| Ron Darling | NYN | 4.44 | 198807011_HOU_NYN |
| Pascual Perez | WAS | 3.74 | 198807010_ATL_WAS |
| Mark Gubicza | KCA | 3.01 | 198807030_BOS_KCA |
| Bob Knepper | HOU | 2.87 | 198807020_HOU_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Whitson | SDN | -3.43 | 198807030_SLN_SDN |
| Mike Smithson | BOS | -3.1 | 198807030_BOS_KCA |
| Willie Fraser | ANA | -2.93 | 198807020_ANA_DET |
| Oswaldo Peraza | BAL | -0.53 | 198807020_BAL_TEX |
| Rick Sutcliffe | CHN | -0.45 | 198807030_CHN_LAN |
Based on accumulated WAA for this season up to 1988-07-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.16 | Greg Maddux | 137.7 | CHN |
| +004+ | 4.9 | John Tudor | 91.3 | SLN |
| +005+ | 4.79 | Roger Clemens | 143.7 | BOS |
| +006+ | 4.77 | Frank Viola | 132 | MIN |
| +008+ | 4.16 | Orel Hershiser | 128 | LAN |
| +014+ | 3.78 | David Cone | 100.3 | NYN |
| +016+ | 3.6 | Ron Darling | 127 | NYN |
| +017+ | 3.57 | Pascual Perez | 75.3 | WAS |
| +018+ | 3.51 | Teddy Higuera | 106.7 | MIL |
| +021+ | 3.4 | Mark Gubicza | 130.7 | KCA |
| +023+ | 3.26 | Bob Knepper | 101.7 | HOU |
| +027+ | 3.03 | Bob Walk | 107.7 | PIT |
| +028+ | 2.94 | Dennis Martinez | 119 | WAS |
| +030+ | 2.82 | Kevin Gross | 128.3 | PHI |
| +031+ | 2.77 | Dwight Gooden | 136.7 | NYN |
| +032+ | 2.75 | Charlie Hough | 133.3 | TEX |
| +038+ | 2.62 | Dave LaPoint | 116.3 | CHA |
| +039+ | 2.6 | John Candelaria | 108.3 | NYA |
| +040+ | 2.54 | John Smiley | 111.7 | PIT |
| +041+ | 2.54 | Doyle Alexander | 128.7 | DET |
| +045+ | 2.35 | Larry McWilliams | 93.3 | SLN |
| +044+ | 2.35 | Wes Gardner | 42.3 | BOS |
| +047+ | 2.32 | Dave Stieb | 110.7 | TOR |
| +052+ | 2.21 | Tim Leary | 106 | LAN |
| +055+ | 2.12 | Jim Deshaies | 98.3 | HOU |
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