| Team | Tm | Tier | Game |
|---|---|---|---|
| Cincinnati Reds | CIN | 3.26 | 198809300_ATL_CIN |
| San Diego Padres | SDN | 3.16 | 198809300_SDN_HOU |
| Milwaukee Brewers | MIL | 2.13 | 198809300_MIL_OAK |
| Oakland Athletics | OAK | 2.09 | 198809290_OAK_MIN |
| Los Angeles Dodgers | LAN | 2.07 | 198809280_LAN_SDN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Baltimore Orioles | BAL | -4.06 | 198809300_BAL_TOR |
| Seattle Mariners | SEA | -2.94 | 198809300_TEX_SEA |
| Chicago Cubs | CHN | -2.43 | 198809300_PIT_CHN |
| Cleveland Indians | CLE | -1.93 | 198809300_BOS_CLE |
| New York Yankees | NYA | -1.73 | 198809280_NYA_BAL |
Based on accumulated WAA for this season up to 1988-09-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +040+ | 4.16 | John Franco | 85 | CIN |
| +041+ | 4.11 | Mike Henneman | 89.3 | DET |
| +044+ | 3.9 | Brian Holton | 84.7 | LAN |
| +048+ | 3.78 | Alejandro Pena | 93 | LAN |
| +053+ | 3.68 | Randy Myers | 66.7 | NYN |
| +061+ | 3.38 | Mark Davis | 97.3 | SDN |
| +062+ | 3.31 | Greg Harris | 105 | PHI |
| +074+ | 3.01 | Lance McCullers | 98 | SDN |
| +082+ | 2.86 | Paul Mirabella | 59.3 | MIL |
| +086+ | 2.77 | Doug Jones | 81.3 | CLE |
| +088+ | 2.72 | Juan Agosto | 90.7 | HOU |
| +101+ | 2.51 | Terry Leach | 92 | NYN |
| +100+ | 2.51 | Jeff Parrett | 89 | WAS |
| +103+ | 2.49 | Rob Dibble | 58.3 | CIN |
| +106+ | 2.45 | Jay Howell | 65.3 | LAN |
| +116+ | 2.25 | Michael Jackson | 99.7 | SEA |
| +117+ | 2.23 | Steve Farr | 82.7 | KCA |
| +119+ | 2.14 | Jeff Reardon | 71.7 | MIN |
| +122+ | 2.11 | D Eckersley | 71.7 | OAK |
| +124+ | 2.1 | Chuck Crim | 103.7 | MIL |
| +125+ | 2.09 | Craig Lefferts | 92.3 | SFN |
| +126+ | 2.08 | Roger McDowell | 87 | NYN |
| +132+ | 2.01 | John Costello | 48 | SLN |
| +138+ | 1.9 | Andy McGaffigan | 91.7 | WAS |
| +136+ | 1.9 | Frank Williams | 63.7 | CIN |
_