| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Martinez | WAS | 5.94 | 198808190_WAS_LAN |
| Mike Scott | HOU | 5.4 | 198808180_HOU_SLN |
| David Cone | NYN | 5.04 | 198808170_NYN_SFN |
| John Tudor | LAN | 4.93 | 198808170_PHI_LAN |
| Danny Jackson | CIN | 4.83 | 198808180_CHN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Glavine | ATL | -5.04 | 198808170_ATL_PIT |
| Mike Smithson | BOS | -2.93 | 198808190_OAK_BOS |
| Curt Young | OAK | -2.59 | 198808170_OAK_BAL |
| Jim Clancy | TOR | -2.34 | 198808170_TOR_CHA |
| Bill Swift | SEA | -1.43 | 198808170_SEA_BOS |
Based on accumulated WAA for this season up to 1988-08-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.7 | Frank Viola | 191 | MIN |
| +005+ | 6.1 | Dennis Martinez | 195.3 | WAS |
| +010+ | 5.43 | Danny Jackson | 192 | CIN |
| +011+ | 5.41 | John Tudor | 154.3 | TOT |
| +013+ | 5.27 | David Cone | 167.3 | NYN |
| +016+ | 5.02 | Mike Scott | 171.7 | HOU |
| +017+ | 4.99 | Teddy Higuera | 165.7 | MIL |
| +021+ | 4.87 | Tim Leary | 173.7 | LAN |
| +022+ | 4.85 | Roger Clemens | 207.7 | BOS |
| +026+ | 4.44 | Mark Gubicza | 192 | KCA |
| +029+ | 4.11 | Allan Anderson | 146 | MIN |
| +030+ | 4.05 | Jeff Robinson | 164.7 | DET |
| +036+ | 3.79 | Pascual Perez | 134.3 | WAS |
| +037+ | 3.71 | Orel Hershiser | 194 | LAN |
| +039+ | 3.61 | Jose Rijo | 142.3 | CIN |
| +040+ | 3.55 | Joe Magrane | 108.7 | SLN |
| +046+ | 3.24 | Bob Walk | 164.7 | PIT |
| +049+ | 3.03 | Scott Bankhead | 117.3 | SEA |
| +055+ | 2.77 | Greg Swindell | 179.7 | CLE |
| +053+ | 2.77 | Charlie Hough | 196 | TEX |
| +056+ | 2.69 | Greg Maddux | 194.3 | CHN |
| +057+ | 2.66 | Eric Show | 179 | SDN |
| +062+ | 2.56 | Rick Reuschel | 167 | SFN |
| +066+ | 2.52 | Don Robinson | 104.7 | SFN |
| +071+ | 2.47 | Dwight Gooden | 190.3 | NYN |
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