| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Martinez | WAS | 6.24 | 198808240_WAS_SFN |
| Ted Higuera | MIL | 5.04 | 198808250_NYA_MIL |
| Roger Clemens | BOS | 4.88 | 198808240_ANA_BOS |
| David Cone | NYN | 4.69 | 198808230_NYN_LAN |
| Orel Hershiser | LAN | 2.66 | 198808240_NYN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Clancy | TOR | -2.62 | 198808230_CHA_TOR |
| Rich Dotson | NYA | -1.83 | 198808250_NYA_MIL |
| Rich Yett | CLE | -1.09 | 198808230_CLE_MIL |
| Charlie Lea | MIN | -1.04 | 198808230_DET_MIN |
| Bill Long | CHA | -0.99 | 198808240_CHA_TOR |
Based on accumulated WAA for this season up to 1988-08-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.01 | Frank Viola | 200 | MIN |
| +006+ | 6.21 | Danny Jackson | 201 | CIN |
| +007+ | 6.06 | Teddy Higuera | 182.7 | MIL |
| +010+ | 5.87 | Dennis Martinez | 203 | WAS |
| +012+ | 5.71 | David Cone | 175 | NYN |
| +013+ | 5.63 | Tim Leary | 182.7 | LAN |
| +018+ | 5.01 | Mark Gubicza | 201 | KCA |
| +019+ | 4.93 | Mike Scott | 178.7 | HOU |
| +025+ | 4.78 | Allan Anderson | 154 | MIN |
| +028+ | 4.7 | Roger Clemens | 213.7 | BOS |
| +029+ | 4.67 | John Tudor | 160.3 | TOT |
| +031+ | 4.15 | Pascual Perez | 141.3 | WAS |
| +032+ | 4.04 | Orel Hershiser | 203 | LAN |
| +036+ | 3.94 | Joe Magrane | 115.7 | SLN |
| +039+ | 3.64 | Jeff Robinson | 172 | DET |
| +041+ | 3.61 | Jose Rijo | 142.3 | CIN |
| +042+ | 3.57 | Bob Walk | 172 | PIT |
| +046+ | 3.4 | Scott Bankhead | 124.3 | SEA |
| +050+ | 3.02 | Eric Show | 188.3 | SDN |
| +051+ | 3.02 | Dwight Gooden | 199.3 | NYN |
| +055+ | 2.89 | Greg Maddux | 202 | CHN |
| +057+ | 2.84 | Rick Reuschel | 176 | SFN |
| +060+ | 2.82 | Dave LaPoint | 175.7 | TOT |
| +062+ | 2.74 | Don Robinson | 112.7 | SFN |
| +064+ | 2.7 | Doug Drabek | 176.3 | PIT |
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