| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | 8.29 | 198808200_TEX_MIN |
| Dennis Martinez | WAS | 5.94 | 198808190_WAS_LAN |
| Ted Higuera | MIL | 4.66 | 198808200_MIL_TOR |
| Tim Leary | LAN | 3.85 | 198808210_WAS_LAN |
| Mark Gubicza | KCA | 3.61 | 198808210_KCA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Fraser | ANA | -7.94 | 198808210_ANA_BAL |
| Bert Blyleven | MIN | -4.44 | 198808210_TEX_MIN |
| Oil Can Boyd | BOS | -3.04 | 198808200_OAK_BOS |
| Mike Campbell | SEA | -2.77 | 198808200_SEA_NYA |
| Jay Tibbs | BAL | -2.49 | 198808210_ANA_BAL |
Based on accumulated WAA for this season up to 1988-08-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.02 | Frank Viola | 200 | MIN |
| +005+ | 6.07 | Dennis Martinez | 195.3 | WAS |
| +008+ | 5.61 | Tim Leary | 182.7 | LAN |
| +011+ | 5.46 | Teddy Higuera | 173.7 | MIL |
| +012+ | 5.39 | Danny Jackson | 192 | CIN |
| +013+ | 5.37 | John Tudor | 154.3 | TOT |
| +015+ | 5.24 | David Cone | 167.3 | NYN |
| +022+ | 4.97 | Mark Gubicza | 201 | KCA |
| +023+ | 4.91 | Mike Scott | 171.7 | HOU |
| +024+ | 4.78 | Roger Clemens | 207.7 | BOS |
| +030+ | 4.07 | Allan Anderson | 146 | MIN |
| +032+ | 4 | Jeff Robinson | 164.7 | DET |
| +035+ | 3.77 | Pascual Perez | 134.3 | WAS |
| +038+ | 3.65 | Orel Hershiser | 194 | LAN |
| +040+ | 3.58 | Jose Rijo | 142.3 | CIN |
| +041+ | 3.55 | Bob Walk | 172 | PIT |
| +042+ | 3.52 | Joe Magrane | 108.7 | SLN |
| +045+ | 3.41 | Scott Bankhead | 124.3 | SEA |
| +056+ | 2.77 | Don Robinson | 112.7 | SFN |
| +059+ | 2.63 | Greg Maddux | 194.3 | CHN |
| +061+ | 2.61 | Eric Show | 179 | SDN |
| +066+ | 2.53 | Greg Swindell | 187 | CLE |
| +069+ | 2.51 | Rick Reuschel | 167 | SFN |
| +072+ | 2.43 | Jeff Musselman | 44 | TOR |
| +074+ | 2.42 | Dwight Gooden | 190.3 | NYN |
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