| Starter | Tm | Tier | Game |
|---|---|---|---|
| Danny Jackson | CIN | 5.74 | 198808300_PIT_CIN |
| Dennis Martinez | WAS | 5.67 | 198808290_LAN_WAS |
| David Cone | NYN | 5.34 | 198808290_SDN_NYN |
| Ted Higuera | MIL | 5.14 | 198808300_TOR_MIL |
| Roger Clemens | BOS | 3.93 | 198808300_BOS_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ted Power | KCA | -2.78 | 198808300_CLE_KCA |
| Curt Young | OAK | -2.5 | 198808280_BAL_OAK |
| Jim Clancy | TOR | -2.39 | 198808290_TOR_MIL |
| Mike Campbell | SEA | -2.27 | 198808300_NYA_SEA |
| Rich Dotson | NYA | -1.84 | 198808300_NYA_SEA |
Based on accumulated WAA for this season up to 1988-08-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.84 | Frank Viola | 207.7 | MIN |
| +005+ | 6.45 | David Cone | 184 | NYN |
| +006+ | 6.18 | Dennis Martinez | 212 | WAS |
| +007+ | 6.15 | Teddy Higuera | 190 | MIL |
| +011+ | 5.76 | Danny Jackson | 216.7 | CIN |
| +013+ | 5.62 | Tim Leary | 188 | LAN |
| +014+ | 5.53 | Mark Gubicza | 210 | KCA |
| +018+ | 5.19 | John Tudor | 167.3 | TOT |
| +020+ | 5.03 | Roger Clemens | 220 | BOS |
| +026+ | 4.73 | Mike Scott | 179.7 | HOU |
| +030+ | 4.4 | Allan Anderson | 159.3 | MIN |
| +031+ | 4.35 | Orel Hershiser | 212 | LAN |
| +032+ | 4.21 | Pascual Perez | 147.3 | WAS |
| +034+ | 4.2 | Joe Magrane | 124.3 | SLN |
| +035+ | 4.08 | Bob Walk | 178 | PIT |
| +042+ | 3.54 | Jeff Robinson | 172 | DET |
| +043+ | 3.52 | Jose Rijo | 142.3 | CIN |
| +044+ | 3.47 | Don Robinson | 125.7 | SFN |
| +045+ | 3.43 | Greg Maddux | 211 | CHN |
| +050+ | 3.14 | Dave LaPoint | 182.7 | TOT |
| +052+ | 3.04 | Rick Reuschel | 183 | SFN |
| +053+ | 3.03 | Jim Deshaies | 165 | HOU |
| +055+ | 2.95 | Bobby Ojeda | 168 | NYN |
| +061+ | 2.88 | Greg Harris | 87.3 | PHI |
| +062+ | 2.87 | Doug Drabek | 183.3 | PIT |
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