| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 13.26 | 198807092_BOS_CHA |
| John Tudor | SLN | 6.78 | 198807090_SLN_SFN |
| Ted Higuera | MIL | 5.51 | 198807090_MIL_MIN |
| Dwight Gooden | NYN | 5.14 | 198807080_NYN_HOU |
| Mark Gubicza | KCA | 3.1 | 198807080_KCA_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Whitson | SDN | -3.2 | 198807090_CHN_SDN |
| Mike Smithson | BOS | -2.63 | 198807081_BOS_CHA |
| Pete Smith | ATL | -1.24 | 198807090_WAS_ATL |
| Mike Flanagan | TOR | -1.22 | 198807080_SEA_TOR |
| Oswaldo Peraza | BAL | -0.81 | 198807070_TEX_BAL |
Based on accumulated WAA for this season up to 1988-07-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.59 | Greg Maddux | 146.7 | CHN |
| +003+ | 5.41 | Roger Clemens | 159.7 | BOS |
| +004+ | 5.34 | Frank Viola | 141 | MIN |
| +009+ | 4.19 | Mark Gubicza | 139.7 | KCA |
| +011+ | 4.13 | Orel Hershiser | 135 | LAN |
| +016+ | 3.83 | Pascual Perez | 83.3 | WAS |
| +018+ | 3.72 | John Tudor | 101.3 | SLN |
| +022+ | 3.59 | Bob Knepper | 110.7 | HOU |
| +023+ | 3.57 | David Cone | 107.3 | NYN |
| +025+ | 3.41 | Dennis Martinez | 132 | WAS |
| +027+ | 3.37 | Ron Darling | 133.7 | NYN |
| +028+ | 3.33 | Bob Walk | 116 | PIT |
| +029+ | 3.09 | John Smiley | 118 | PIT |
| +031+ | 2.99 | Teddy Higuera | 110.3 | MIL |
| +033+ | 2.78 | Kevin Gross | 134.3 | PHI |
| +035+ | 2.57 | Larry McWilliams | 95.3 | SLN |
| +037+ | 2.48 | Dwight Gooden | 142.7 | NYN |
| +039+ | 2.45 | John Candelaria | 113.7 | NYA |
| +041+ | 2.41 | Dave Stieb | 116.7 | TOR |
| +044+ | 2.39 | Doyle Alexander | 136.7 | DET |
| +045+ | 2.37 | Rick Reuschel | 115 | SFN |
| +047+ | 2.35 | Jose Rijo | 94.3 | CIN |
| +049+ | 2.32 | Tim Leary | 109.7 | LAN |
| +051+ | 2.3 | Jeff Robinson | 110.3 | DET |
| +054+ | 2.25 | Allan Anderson | 97.3 | MIN |
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