| Team | Tm | Tier | Game |
|---|---|---|---|
| Cincinnati Reds | CIN | 4.3 | 198809110_CIN_LAN |
| San Diego Padres | SDN | 2.49 | 198809120_SFN_SDN |
| Milwaukee Brewers | MIL | 1.82 | 198809120_MIL_CHA |
| Los Angeles Dodgers | LAN | 1.47 | 198809130_ATL_LAN |
| Detroit Tigers | DET | 1.1 | 198809120_DET_TOR |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Seattle Mariners | SEA | -3.73 | 198809110_SEA_MIL |
| Chicago Cubs | CHN | -3.03 | 198809110_CHN_SLN |
| New York Yankees | NYA | -2.95 | 198809120_NYA_CLE |
| Baltimore Orioles | BAL | -2.04 | 198809110_TOR_BAL |
| Atlanta Braves | ATL | -1.97 | 198809110_ATL_SDN |
Based on accumulated WAA for this season up to 1988-09-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +043+ | 3.78 | John Franco | 78 | CIN |
| +046+ | 3.61 | Mike Henneman | 81 | DET |
| +048+ | 3.53 | Lance McCullers | 86 | SDN |
| +056+ | 3.19 | Mark Davis | 89.3 | SDN |
| +057+ | 3.18 | Brian Holton | 75.7 | LAN |
| +059+ | 3.14 | Randy Myers | 60.3 | NYN |
| +063+ | 3.1 | Greg Harris | 95.3 | PHI |
| +066+ | 3.01 | Alejandro Pena | 81 | LAN |
| +067+ | 2.97 | Bryan Harvey | 74.3 | ANA |
| +077+ | 2.75 | Steve Farr | 78.7 | KCA |
| +081+ | 2.69 | Jeff Parrett | 78.7 | WAS |
| +082+ | 2.69 | Doug Jones | 77.7 | CLE |
| +093+ | 2.44 | John Costello | 40.7 | SLN |
| +101+ | 2.25 | Juan Agosto | 82 | HOU |
| +102+ | 2.23 | Michael Jackson | 94 | SEA |
| +105+ | 2.15 | Jay Howell | 61.3 | LAN |
| +106+ | 2.14 | Roger McDowell | 82.7 | NYN |
| +108+ | 2.1 | Terry Leach | 87 | NYN |
| +111+ | 2.05 | Paul Mirabella | 49.7 | MIL |
| +117+ | 2 | Greg Cadaret | 65 | OAK |
| +119+ | 1.99 | Frank Williams | 59.7 | CIN |
| +120+ | 1.98 | Chuck Crim | 94.3 | MIL |
| +124+ | 1.86 | Greg Minton | 71.3 | ANA |
| +125+ | 1.81 | Larry Andersen | 79.3 | HOU |
| +126+ | 1.81 | Dave Leiper | 44.7 | SDN |
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