| Team | Tm | Tier | Game |
|---|---|---|---|
| Cincinnati Reds | CIN | 3.45 | 198809270_CIN_SFN |
| San Diego Padres | SDN | 2.99 | 198809260_LAN_SDN |
| Los Angeles Dodgers | LAN | 2.4 | 198809250_LAN_SFN |
| Oakland Athletics | OAK | 1.71 | 198809250_OAK_MIL |
| Milwaukee Brewers | MIL | 1.37 | 198809270_ANA_MIL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Baltimore Orioles | BAL | -4.94 | 198809260_NYA_BAL |
| Chicago Cubs | CHN | -3.26 | 198809250_CHN_PIT |
| Cleveland Indians | CLE | -3.05 | 198809260_DET_CLE |
| New York Yankees | NYA | -2.46 | 198809250_BOS_NYA |
| Chicago White Sox | CHA | -1.27 | 198809270_TEX_CHA |
Based on accumulated WAA for this season up to 1988-09-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +040+ | 4.11 | Mike Henneman | 89.3 | DET |
| +042+ | 4.07 | John Franco | 84 | CIN |
| +052+ | 3.73 | Alejandro Pena | 92 | LAN |
| +053+ | 3.71 | Brian Holton | 82 | LAN |
| +056+ | 3.68 | Randy Myers | 66.7 | NYN |
| +061+ | 3.32 | Greg Harris | 105 | PHI |
| +062+ | 3.25 | Mark Davis | 95.3 | SDN |
| +084+ | 2.8 | Lance McCullers | 95 | SDN |
| +087+ | 2.68 | Paul Mirabella | 57.3 | MIL |
| +095+ | 2.56 | Juan Agosto | 88.3 | HOU |
| +100+ | 2.47 | Rob Dibble | 58 | CIN |
| +104+ | 2.43 | Terry Leach | 91 | NYN |
| +103+ | 2.43 | Jeff Parrett | 88 | WAS |
| +108+ | 2.4 | Jay Howell | 64.3 | LAN |
| +111+ | 2.26 | Michael Jackson | 99.7 | SEA |
| +113+ | 2.24 | Steve Farr | 82.7 | KCA |
| +120+ | 2.09 | Craig Lefferts | 92.3 | SFN |
| +121+ | 2.08 | Roger McDowell | 87 | NYN |
| +122+ | 2.06 | Jeff Reardon | 70.7 | MIN |
| +125+ | 2.03 | D Eckersley | 70.7 | OAK |
| +128+ | 2.01 | John Costello | 48 | SLN |
| +130+ | 2.01 | Chuck Crim | 102.7 | MIL |
| +131+ | 1.98 | Joe Hesketh | 70.3 | WAS |
| +135+ | 1.92 | Dave Smith | 54 | HOU |
| +137+ | 1.9 | Frank Williams | 63.7 | CIN |
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