| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | 6.18 | 198807060_BOS_MIN |
| Dwight Gooden | NYN | 5.14 | 198807080_NYN_HOU |
| Pascual Perez | WAS | 3.49 | 198807060_WAS_HOU |
| Mark Gubicza | KCA | 3.1 | 198807080_KCA_NYA |
| Doyle Alexander | DET | 2.74 | 198807060_SEA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Fraser | ANA | -3.87 | 198807060_ANA_TOR |
| Mike Smithson | BOS | -2.63 | 198807081_BOS_CHA |
| Mike Flanagan | TOR | -1.22 | 198807080_SEA_TOR |
| Dennis Rasmussen | SDN | -1.19 | 198807080_CHN_SDN |
| Oswaldo Peraza | BAL | -0.81 | 198807070_TEX_BAL |
Based on accumulated WAA for this season up to 1988-07-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.53 | Greg Maddux | 146.7 | CHN |
| +003+ | 5.3 | Frank Viola | 141 | MIN |
| +005+ | 5.07 | Roger Clemens | 151.7 | BOS |
| +007+ | 4.56 | John Tudor | 99.3 | SLN |
| +009+ | 4.14 | Mark Gubicza | 139.7 | KCA |
| +010+ | 4.09 | Orel Hershiser | 135 | LAN |
| +017+ | 3.8 | Pascual Perez | 83.3 | WAS |
| +022+ | 3.56 | Bob Knepper | 110.7 | HOU |
| +023+ | 3.53 | David Cone | 107.3 | NYN |
| +024+ | 3.47 | Teddy Higuera | 106.7 | MIL |
| +027+ | 3.31 | Ron Darling | 133.7 | NYN |
| +028+ | 3.3 | Bob Walk | 116 | PIT |
| +030+ | 3.05 | John Smiley | 118 | PIT |
| +032+ | 2.77 | Dennis Martinez | 125 | WAS |
| +033+ | 2.73 | Kevin Gross | 134.3 | PHI |
| +036+ | 2.53 | Larry McWilliams | 95.3 | SLN |
| +040+ | 2.42 | Dwight Gooden | 142.7 | NYN |
| +041+ | 2.41 | John Candelaria | 113.7 | NYA |
| +042+ | 2.37 | Dave Stieb | 116.7 | TOR |
| +044+ | 2.35 | Doyle Alexander | 136.7 | DET |
| +047+ | 2.33 | Jose Rijo | 94.3 | CIN |
| +046+ | 2.33 | Rick Reuschel | 115 | SFN |
| +050+ | 2.29 | Wes Gardner | 48.7 | BOS |
| +051+ | 2.29 | Tim Leary | 109.7 | LAN |
| +053+ | 2.27 | Jeff Robinson | 110.3 | DET |
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