| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | 7.08 | 198807220_BAL_MIN |
| Pascual Perez | WAS | 4.73 | 198807240_WAS_CIN |
| Dwight Gooden | NYN | 4.39 | 198807221_ATL_NYN |
| Mike Scott | HOU | 3.27 | 198807240_PHI_HOU |
| Danny Jackson | CIN | 2.15 | 198807220_WAS_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Fraser | ANA | -4.97 | 198807240_CLE_ANA |
| Steve Trout | SEA | -3.87 | 198807230_TOR_SEA |
| Tom Glavine | ATL | -3.49 | 198807221_ATL_NYN |
| Ted Power | KCA | -2.23 | 198807220_NYA_KCA |
| Bobby Witt | TEX | -2.11 | 198807230_TEX_MIL |
Based on accumulated WAA for this season up to 1988-07-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.11 | Roger Clemens | 175 | BOS |
| +003+ | 6.1 | Frank Viola | 154 | MIN |
| +005+ | 5.53 | Greg Maddux | 169.7 | CHN |
| +008+ | 4.77 | Pascual Perez | 104.3 | WAS |
| +016+ | 4.43 | Mark Gubicza | 153.3 | KCA |
| +017+ | 4.3 | Teddy Higuera | 128 | MIL |
| +018+ | 4.24 | David Cone | 131.7 | NYN |
| +022+ | 4.11 | Dennis Martinez | 148 | WAS |
| +023+ | 4.02 | Tim Leary | 134.7 | LAN |
| +026+ | 3.79 | Orel Hershiser | 153.7 | LAN |
| +028+ | 3.74 | Bob Walk | 135 | PIT |
| +031+ | 3.49 | Jose Rijo | 114.3 | CIN |
| +033+ | 3.17 | Dwight Gooden | 157.7 | NYN |
| +034+ | 3.11 | Danny Jackson | 143.7 | CIN |
| +035+ | 3.06 | John Tudor | 113 | SLN |
| +037+ | 2.96 | Rick Reuschel | 135.3 | SFN |
| +042+ | 2.76 | Jeff Robinson | 126.3 | DET |
| +044+ | 2.62 | Allan Anderson | 115.3 | MIN |
| +050+ | 2.43 | Jim Deshaies | 118.7 | HOU |
| +053+ | 2.36 | John Smiley | 131.3 | PIT |
| +055+ | 2.3 | Bob Knepper | 122 | HOU |
| +056+ | 2.28 | Kevin Gross | 154.7 | PHI |
| +057+ | 2.27 | Joe Magrane | 72.3 | SLN |
| +059+ | 2.26 | Larry McWilliams | 101.3 | SLN |
| +061+ | 2.24 | Don Robinson | 70.3 | SFN |
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