| Team | Tm | Tier | Game |
|---|---|---|---|
| San Diego Padres | SDN | 2.54 | 198809211_SDN_LAN |
| New York Mets | NYN | 2.39 | 198809200_PHI_NYN |
| Minnesota Twins | MIN | 2.26 | 198809200_MIN_OAK |
| Los Angeles Dodgers | LAN | 1.35 | 198809211_SDN_LAN |
| Detroit Tigers | DET | 1 | 198809210_CLE_DET |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Baltimore Orioles | BAL | -5.76 | 198809190_BAL_NYA |
| Toronto Blue Jays | TOR | -2.04 | 198809210_BOS_TOR |
| New York Yankees | NYA | -1.85 | 198809210_BAL_NYA |
| Chicago Cubs | CHN | -1.36 | 198809210_WAS_CHN |
| Chicago White Sox | CHA | -0.77 | 198809210_CHA_TEX |
Based on accumulated WAA for this season up to 1988-09-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +009+ | 6.71 | Frank Viola | 236 | MIN |
| +043+ | 3.86 | John Franco | 79 | CIN |
| +045+ | 3.72 | Mike Henneman | 84.7 | DET |
| +050+ | 3.6 | Brian Holton | 80.7 | LAN |
| +053+ | 3.56 | Greg Harris | 103 | PHI |
| +055+ | 3.54 | Randy Myers | 65 | NYN |
| +057+ | 3.52 | Alejandro Pena | 87 | LAN |
| +062+ | 3.29 | Mark Davis | 95.3 | SDN |
| +073+ | 2.92 | Bryan Harvey | 76.3 | ANA |
| +074+ | 2.86 | Doug Jones | 79.7 | CLE |
| +076+ | 2.8 | Steve Farr | 81.7 | KCA |
| +082+ | 2.69 | Paul Mirabella | 57 | MIL |
| +088+ | 2.6 | Juan Agosto | 86 | HOU |
| +090+ | 2.58 | Lance McCullers | 92 | SDN |
| +100+ | 2.35 | Terry Leach | 90 | NYN |
| +101+ | 2.33 | Rob Dibble | 56.3 | CIN |
| +102+ | 2.32 | Jay Howell | 63.3 | LAN |
| +105+ | 2.25 | Greg Cadaret | 68 | OAK |
| +108+ | 2.18 | D Eckersley | 69.7 | OAK |
| +120+ | 2.02 | Michael Jackson | 96.7 | SEA |
| +126+ | 1.97 | Jeff Parrett | 82.7 | WAS |
| +127+ | 1.96 | Chuck Crim | 96.7 | MIL |
| +129+ | 1.88 | Frank Williams | 63.3 | CIN |
| +132+ | 1.82 | John Costello | 45.7 | SLN |
| +133+ | 1.82 | Jeff Reardon | 67.7 | MIN |
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