| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 9.81 | 198808140_DET_BOS |
| Frank Viola | MIN | 7.51 | 198808150_MIN_DET |
| Dennis Martinez | WAS | 6.03 | 198808142_WAS_NYN |
| Tim Leary | LAN | 4.8 | 198808160_PHI_LAN |
| Mark Gubicza | KCA | 4.27 | 198808160_TEX_KCA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Fraser | ANA | -6.18 | 198808160_ANA_NYA |
| Bert Blyleven | MIN | -5.21 | 198808160_MIN_DET |
| Jay Tibbs | BAL | -1.84 | 198808160_OAK_BAL |
| Mike Moore | SEA | -1.28 | 198808140_CHA_SEA |
| Brian Fisher | PIT | -1.16 | 198808140_PIT_PHI |
Based on accumulated WAA for this season up to 1988-08-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.72 | Frank Viola | 191 | MIN |
| +007+ | 5.8 | Dennis Martinez | 187.3 | WAS |
| +010+ | 5.49 | David Cone | 160.3 | NYN |
| +013+ | 5 | Teddy Higuera | 165.7 | MIL |
| +017+ | 4.88 | Roger Clemens | 207.7 | BOS |
| +016+ | 4.88 | Tim Leary | 173.7 | LAN |
| +020+ | 4.85 | John Tudor | 145.3 | SLN |
| +019+ | 4.85 | Danny Jackson | 183 | CIN |
| +021+ | 4.82 | Mike Scott | 164.7 | HOU |
| +025+ | 4.45 | Mark Gubicza | 192 | KCA |
| +027+ | 4.09 | Pascual Perez | 128.3 | WAS |
| +033+ | 3.96 | Jeff Robinson | 158.7 | DET |
| +036+ | 3.62 | Allan Anderson | 138 | MIN |
| +037+ | 3.61 | Jose Rijo | 142.3 | CIN |
| +041+ | 3.42 | Greg Maddux | 190.7 | CHN |
| +042+ | 3.25 | Bob Walk | 164.7 | PIT |
| +044+ | 3.07 | Joe Magrane | 100.7 | SLN |
| +045+ | 3.05 | Scott Bankhead | 117.3 | SEA |
| +048+ | 2.93 | Orel Hershiser | 185 | LAN |
| +053+ | 2.79 | Greg Swindell | 179.7 | CLE |
| +055+ | 2.78 | Charlie Hough | 196 | TEX |
| +061+ | 2.53 | Don Robinson | 104.7 | SFN |
| +064+ | 2.46 | Eric Show | 171.7 | SDN |
| +065+ | 2.46 | Dwight Gooden | 190.3 | NYN |
| +070+ | 2.4 | Bobby Ojeda | 149 | NYN |
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