| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | 7.08 | 198807220_BAL_MIN |
| Orel Hershiser | LAN | 5.48 | 198807210_LAN_PIT |
| Dwight Gooden | NYN | 4.39 | 198807221_ATL_NYN |
| Mark Gubicza | KCA | 4.15 | 198807210_NYA_KCA |
| Dennis Martinez | WAS | 3.24 | 198807210_WAS_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Trout | SEA | -3.87 | 198807230_TOR_SEA |
| Tom Glavine | ATL | -3.49 | 198807221_ATL_NYN |
| Oil Can Boyd | BOS | -2.69 | 198807210_CHA_BOS |
| 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 1988-07-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.14 | Roger Clemens | 175 | BOS |
| +003+ | 6.12 | Frank Viola | 154 | MIN |
| +005+ | 5.55 | Greg Maddux | 169.7 | CHN |
| +013+ | 4.47 | Pascual Perez | 98.3 | WAS |
| +014+ | 4.45 | Mark Gubicza | 153.3 | KCA |
| +016+ | 4.32 | Teddy Higuera | 128 | MIL |
| +018+ | 4.26 | David Cone | 131.7 | NYN |
| +021+ | 4.13 | Dennis Martinez | 148 | WAS |
| +022+ | 4.03 | Tim Leary | 134.7 | LAN |
| +026+ | 3.81 | Orel Hershiser | 153.7 | LAN |
| +027+ | 3.76 | Bob Walk | 135 | PIT |
| +031+ | 3.5 | Jose Rijo | 114.3 | CIN |
| +033+ | 3.19 | Dwight Gooden | 157.7 | NYN |
| +034+ | 3.13 | Danny Jackson | 143.7 | CIN |
| +035+ | 3.07 | John Tudor | 113 | SLN |
| +040+ | 2.76 | Jeff Robinson | 126.3 | DET |
| +043+ | 2.52 | Kevin Gross | 147.7 | PHI |
| +046+ | 2.44 | Jim Deshaies | 118.7 | HOU |
| +049+ | 2.38 | John Smiley | 131.3 | PIT |
| +053+ | 2.32 | Bob Knepper | 122 | HOU |
| +054+ | 2.28 | Joe Magrane | 72.3 | SLN |
| +055+ | 2.27 | Larry McWilliams | 101.3 | SLN |
| +057+ | 2.25 | Don Robinson | 70.3 | SFN |
| +058+ | 2.24 | Allan Anderson | 108.7 | MIN |
| +062+ | 2.18 | Rick Reuschel | 126.3 | SFN |
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