| Team | Tm | Tier | Game |
|---|---|---|---|
| Minnesota Twins | MIN | 2.56 | 198809170_CHA_MIN |
| Cincinnati Reds | CIN | 2.56 | 198809150_HOU_CIN |
| San Diego Padres | SDN | 2.48 | 198809171_SDN_ATL |
| New York Mets | NYN | 2.17 | 198809150_CHN_NYN |
| Milwaukee Brewers | MIL | 0.9 | 198809170_MIL_SEA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Baltimore Orioles | BAL | -5.41 | 198809160_BAL_DET |
| Seattle Mariners | SEA | -3.17 | 198809160_MIL_SEA |
| New York Yankees | NYA | -2.6 | 198809170_NYA_BOS |
| Chicago Cubs | CHN | -1.37 | 198809150_CHN_NYN |
| Chicago White Sox | CHA | -1.1 | 198809170_CHA_MIN |
Based on accumulated WAA for this season up to 1988-09-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.61 | Frank Viola | 232.3 | MIN |
| +043+ | 3.86 | John Franco | 79 | CIN |
| +045+ | 3.78 | Mike Henneman | 83 | DET |
| +054+ | 3.37 | Randy Myers | 63 | NYN |
| +055+ | 3.32 | Greg Harris | 100.3 | PHI |
| +057+ | 3.27 | Mark Davis | 90.3 | SDN |
| +059+ | 3.24 | Lance McCullers | 90 | SDN |
| +064+ | 3.15 | Alejandro Pena | 82.7 | LAN |
| +066+ | 3.04 | Bryan Harvey | 75.3 | ANA |
| +074+ | 2.83 | Steve Farr | 79.7 | KCA |
| +079+ | 2.68 | Doug Jones | 77.7 | CLE |
| +087+ | 2.51 | Juan Agosto | 85 | HOU |
| +098+ | 2.35 | Terry Leach | 90 | NYN |
| +099+ | 2.34 | Paul Mirabella | 53 | MIL |
| +101+ | 2.31 | Roger McDowell | 84.7 | NYN |
| +104+ | 2.23 | Jay Howell | 62.3 | LAN |
| +107+ | 2.21 | Michael Jackson | 94 | SEA |
| +109+ | 2.16 | Frank Williams | 61.7 | CIN |
| +118+ | 2.01 | Rob Dibble | 52.7 | CIN |
| +120+ | 2 | Greg Cadaret | 65 | OAK |
| +123+ | 1.97 | Chuck Crim | 94.3 | MIL |
| +122+ | 1.97 | Greg Minton | 72.7 | ANA |
| +124+ | 1.94 | Jeff Parrett | 82.3 | WAS |
| +125+ | 1.93 | D Eckersley | 66.7 | OAK |
| +129+ | 1.81 | Jeff Reardon | 67.7 | MIN |
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