| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | 7 | 198808010_MIN_TOR |
| Dwight Gooden | NYN | 4.46 | 198808010_PIT_NYN |
| Mark Gubicza | KCA | 4 | 198808010_DET_KCA |
| Pascual Perez | WAS | 3.44 | 198808030_WAS_PIT |
| Mike Scott | HOU | 3.15 | 198808030_HOU_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Trout | SEA | -4.06 | 198808020_ANA_SEA |
| Tom Glavine | ATL | -2.76 | 198808010_ATL_SDN |
| Jim Clancy | TOR | -2.63 | 198808020_MIN_TOR |
| Scott Bailes | CLE | -1.91 | 198808020_CLE_BAL |
| Jeff Ballard | BAL | -1.65 | 198808030_CLE_BAL |
Based on accumulated WAA for this season up to 1988-08-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.21 | Roger Clemens | 193 | BOS |
| +004+ | 6.05 | Frank Viola | 167.7 | MIN |
| +009+ | 5.28 | Tim Leary | 152.7 | LAN |
| +010+ | 5.03 | Dennis Martinez | 164.7 | WAS |
| +016+ | 4.74 | Greg Maddux | 182.7 | CHN |
| +020+ | 4.67 | David Cone | 144.3 | NYN |
| +021+ | 4.51 | Teddy Higuera | 144.3 | MIL |
| +022+ | 4.48 | Orel Hershiser | 170 | LAN |
| +023+ | 4.44 | Mark Gubicza | 168.3 | KCA |
| +025+ | 4.09 | John Tudor | 130.3 | SLN |
| +026+ | 4.07 | Jeff Robinson | 144 | DET |
| +028+ | 3.94 | Pascual Perez | 115 | WAS |
| +031+ | 3.83 | Bob Walk | 146 | PIT |
| +032+ | 3.8 | Jose Rijo | 128 | CIN |
| +036+ | 3.56 | Danny Jackson | 159 | CIN |
| +038+ | 3.19 | Mike Scott | 146.7 | HOU |
| +039+ | 3.14 | Dwight Gooden | 172.3 | NYN |
| +041+ | 2.99 | Joe Magrane | 88.3 | SLN |
| +045+ | 2.82 | Allan Anderson | 122.3 | MIN |
| +047+ | 2.69 | Charlie Hough | 172.3 | TEX |
| +055+ | 2.42 | Don Robinson | 85 | SFN |
| +058+ | 2.34 | Rick Reuschel | 146.3 | SFN |
| +063+ | 2.29 | Dave Stieb | 139.3 | TOR |
| +067+ | 2.19 | John Smiley | 141.7 | PIT |
| +071+ | 2.1 | John Candelaria | 136 | NYA |
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