| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | 8.29 | 198808200_TEX_MIN |
| Dennis Martinez | WAS | 5.94 | 198808190_WAS_LAN |
| Mike Scott | HOU | 5.4 | 198808180_HOU_SLN |
| Danny Jackson | CIN | 4.83 | 198808180_CHN_CIN |
| Ted Higuera | MIL | 4.66 | 198808200_MIL_TOR |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Oil Can Boyd | BOS | -3.04 | 198808200_OAK_BOS |
| Mike Campbell | SEA | -2.77 | 198808200_SEA_NYA |
| Rich Yett | CLE | -1.18 | 198808180_MIL_CLE |
| Rich Dotson | NYA | -1.16 | 198808192_SEA_NYA |
| Charlie Lea | MIN | -1.11 | 198808180_TEX_MIN |
Based on accumulated WAA for this season up to 1988-08-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.06 | Frank Viola | 200 | MIN |
| +005+ | 6.08 | Dennis Martinez | 195.3 | WAS |
| +010+ | 5.48 | Teddy Higuera | 173.7 | MIL |
| +011+ | 5.41 | Danny Jackson | 192 | CIN |
| +012+ | 5.4 | John Tudor | 154.3 | TOT |
| +014+ | 5.25 | David Cone | 167.3 | NYN |
| +017+ | 5.02 | Mike Scott | 171.7 | HOU |
| +022+ | 4.86 | Tim Leary | 173.7 | LAN |
| +023+ | 4.82 | Roger Clemens | 207.7 | BOS |
| +026+ | 4.42 | Mark Gubicza | 192 | KCA |
| +030+ | 4.1 | Allan Anderson | 146 | MIN |
| +031+ | 4.03 | Jeff Robinson | 164.7 | DET |
| +034+ | 3.78 | Pascual Perez | 134.3 | WAS |
| +037+ | 3.69 | Orel Hershiser | 194 | LAN |
| +039+ | 3.6 | Jose Rijo | 142.3 | CIN |
| +040+ | 3.54 | Joe Magrane | 108.7 | SLN |
| +046+ | 3.22 | Bob Walk | 164.7 | PIT |
| +048+ | 3.02 | Scott Bankhead | 117.3 | SEA |
| +053+ | 2.79 | Don Robinson | 112.7 | SFN |
| +055+ | 2.75 | Charlie Hough | 196 | TEX |
| +057+ | 2.67 | Greg Maddux | 194.3 | CHN |
| +060+ | 2.64 | Eric Show | 179 | SDN |
| +065+ | 2.57 | Greg Swindell | 187 | CLE |
| +067+ | 2.54 | Rick Reuschel | 167 | SFN |
| +073+ | 2.45 | Dwight Gooden | 190.3 | NYN |
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