| Starter | Tm | Tier | Game |
|---|---|---|---|
| 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 |
| Mark Gubicza | KCA | 4.27 | 198808160_TEX_KCA |
| 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 1988-08-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.7 | Frank Viola | 191 | MIN |
| +006+ | 5.81 | Dennis Martinez | 187.3 | WAS |
| +010+ | 5.41 | John Tudor | 154.3 | TOT |
| +009+ | 5.41 | Danny Jackson | 192 | CIN |
| +013+ | 5.28 | David Cone | 167.3 | NYN |
| +015+ | 5.02 | Mike Scott | 171.7 | HOU |
| +016+ | 5.01 | Teddy Higuera | 165.7 | MIL |
| +018+ | 4.87 | Tim Leary | 173.7 | LAN |
| +019+ | 4.85 | Roger Clemens | 207.7 | BOS |
| +026+ | 4.43 | Mark Gubicza | 192 | KCA |
| +029+ | 4.12 | Allan Anderson | 146 | MIN |
| +031+ | 4.06 | Jeff Robinson | 164.7 | DET |
| +036+ | 3.77 | Pascual Perez | 134.3 | WAS |
| +038+ | 3.6 | Jose Rijo | 142.3 | CIN |
| +040+ | 3.55 | Joe Magrane | 108.7 | SLN |
| +044+ | 3.42 | Greg Maddux | 190.7 | CHN |
| +045+ | 3.24 | Bob Walk | 164.7 | PIT |
| +048+ | 3.04 | Scott Bankhead | 117.3 | SEA |
| +051+ | 2.92 | Orel Hershiser | 185 | LAN |
| +055+ | 2.77 | Greg Swindell | 179.7 | CLE |
| +054+ | 2.77 | Charlie Hough | 196 | TEX |
| +061+ | 2.56 | Rick Reuschel | 167 | SFN |
| +063+ | 2.52 | Don Robinson | 104.7 | SFN |
| +067+ | 2.47 | Dwight Gooden | 190.3 | NYN |
| +070+ | 2.45 | Eric Show | 171.7 | SDN |
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