| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | 9.21 | 198809100_MIN_CHA |
| David Cone | NYN | 5.9 | 198809100_NYN_WAS |
| Danny Jackson | CIN | 5.84 | 198809090_CIN_LAN |
| Ted Higuera | MIL | 5.55 | 198809100_SEA_MIL |
| John Tudor | LAN | 3.86 | 198809080_HOU_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Fraser | ANA | -7.79 | 198809100_ANA_TEX |
| Rich Dotson | NYA | -3.86 | 198809090_DET_NYA |
| Ted Power | DET | -2.2 | 198809080_DET_NYA |
| Jim Clancy | TOR | -1.96 | 198809090_TOR_BAL |
| Curt Young | OAK | -1.67 | 198809080_OAK_KCA |
Based on accumulated WAA for this season up to 1988-09-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.89 | Frank Viola | 231.3 | MIN |
| +005+ | 7.19 | Teddy Higuera | 206 | MIL |
| +007+ | 7.13 | David Cone | 200 | NYN |
| +008+ | 7.02 | Danny Jackson | 234.7 | CIN |
| +010+ | 6.54 | Dennis Martinez | 220 | WAS |
| +013+ | 6.13 | Mark Gubicza | 227.7 | KCA |
| +015+ | 5.84 | Orel Hershiser | 230 | LAN |
| +017+ | 5.71 | John Tudor | 181.3 | TOT |
| +018+ | 5.7 | Joe Magrane | 142.3 | SLN |
| +021+ | 5.33 | Tim Leary | 202.3 | LAN |
| +022+ | 5.23 | Roger Clemens | 235.7 | BOS |
| +030+ | 4.79 | Allan Anderson | 172.7 | MIN |
| +031+ | 4.78 | Mike Scott | 193.7 | HOU |
| +033+ | 4.48 | Pascual Perez | 161.3 | WAS |
| +039+ | 4.18 | Bob Walk | 192.3 | PIT |
| +040+ | 4 | Don Robinson | 140.7 | SFN |
| +041+ | 3.98 | Jose Rijo | 148.3 | CIN |
| +046+ | 3.52 | Dave LaPoint | 198.7 | TOT |
| +047+ | 3.44 | Dwight Gooden | 220.3 | NYN |
| +048+ | 3.4 | Jeff Robinson | 172 | DET |
| +057+ | 3.16 | Greg Swindell | 210.3 | CLE |
| +058+ | 3.15 | Rick Reuschel | 206 | SFN |
| +061+ | 3 | Dave Stewart | 242.3 | OAK |
| +071+ | 2.85 | Bobby Ojeda | 175 | NYN |
| +073+ | 2.82 | John Smiley | 176.7 | PIT |
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