| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | 7.51 | 198808150_MIN_DET |
| David Cone | NYN | 5.04 | 198808170_NYN_SFN |
| John Tudor | LAN | 4.93 | 198808170_PHI_LAN |
| Mark Gubicza | KCA | 4.27 | 198808160_TEX_KCA |
| Ted Higuera | MIL | 4.06 | 198808150_BAL_MIL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Fraser | ANA | -6.18 | 198808160_ANA_NYA |
| Bert Blyleven | MIN | -5.21 | 198808160_MIN_DET |
| Tom Glavine | ATL | -5.04 | 198808170_ATL_PIT |
| Curt Young | OAK | -2.59 | 198808170_OAK_BAL |
| Jim Clancy | TOR | -2.34 | 198808170_TOR_CHA |
Based on accumulated WAA for this season up to 1988-08-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.72 | Frank Viola | 191 | MIN |
| +005+ | 5.81 | Dennis Martinez | 187.3 | WAS |
| +009+ | 5.42 | John Tudor | 154.3 | TOT |
| +012+ | 5.28 | David Cone | 167.3 | NYN |
| +015+ | 5.01 | Teddy Higuera | 165.7 | MIL |
| +016+ | 4.88 | Tim Leary | 173.7 | LAN |
| +017+ | 4.87 | Roger Clemens | 207.7 | BOS |
| +020+ | 4.85 | Danny Jackson | 183 | CIN |
| +021+ | 4.82 | Mike Scott | 164.7 | HOU |
| +025+ | 4.45 | Mark Gubicza | 192 | KCA |
| +028+ | 4.13 | Allan Anderson | 146 | MIN |
| +030+ | 4.1 | Pascual Perez | 128.3 | WAS |
| +034+ | 3.95 | Jeff Robinson | 158.7 | DET |
| +037+ | 3.61 | Jose Rijo | 142.3 | CIN |
| +038+ | 3.55 | Joe Magrane | 108.7 | SLN |
| +042+ | 3.41 | Greg Maddux | 190.7 | CHN |
| +045+ | 3.25 | Bob Walk | 164.7 | PIT |
| +047+ | 3.05 | Scott Bankhead | 117.3 | SEA |
| +049+ | 2.93 | Orel Hershiser | 185 | LAN |
| +054+ | 2.79 | Charlie Hough | 196 | TEX |
| +055+ | 2.78 | Greg Swindell | 179.7 | CLE |
| +061+ | 2.57 | Rick Reuschel | 167 | SFN |
| +063+ | 2.52 | Don Robinson | 104.7 | SFN |
| +066+ | 2.47 | Dwight Gooden | 190.3 | NYN |
| +068+ | 2.46 | Eric Show | 171.7 | SDN |
_