| Team | Tm | Tier | Game |
|---|---|---|---|
| Cincinnati Reds | CIN | 2.56 | 198809150_HOU_CIN |
| San Diego Padres | SDN | 2.55 | 198809140_SFN_SDN |
| Minnesota Twins | MIN | 2.42 | 198809150_CHA_MIN |
| New York Mets | NYN | 2.19 | 198809140_CHN_NYN |
| Los Angeles Dodgers | LAN | 1.55 | 198809140_ATL_LAN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Baltimore Orioles | BAL | -5.41 | 198809160_BAL_DET |
| Seattle Mariners | SEA | -3.17 | 198809160_MIL_SEA |
| Chicago Cubs | CHN | -2.48 | 198809140_CHN_NYN |
| New York Yankees | NYA | -2.41 | 198809160_NYA_BOS |
| Atlanta Braves | ATL | -1.24 | 198809140_ATL_LAN |
Based on accumulated WAA for this season up to 1988-09-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.6 | Frank Viola | 232.3 | MIN |
| +041+ | 3.86 | John Franco | 79 | CIN |
| +045+ | 3.75 | Mike Henneman | 82.7 | DET |
| +054+ | 3.39 | Lance McCullers | 87 | SDN |
| +056+ | 3.31 | Greg Harris | 100.3 | PHI |
| +057+ | 3.28 | Randy Myers | 62 | NYN |
| +059+ | 3.26 | Mark Davis | 90.3 | SDN |
| +064+ | 3.04 | Bryan Harvey | 75.3 | ANA |
| +066+ | 3 | Alejandro Pena | 81 | LAN |
| +074+ | 2.83 | Steve Farr | 79.7 | KCA |
| +079+ | 2.68 | Doug Jones | 77.7 | CLE |
| +086+ | 2.51 | Juan Agosto | 85 | HOU |
| +095+ | 2.39 | Jeff Parrett | 80.3 | WAS |
| +096+ | 2.35 | Terry Leach | 90 | NYN |
| +099+ | 2.33 | Paul Mirabella | 53 | MIL |
| +101+ | 2.31 | Roger McDowell | 84.7 | NYN |
| +106+ | 2.21 | Michael Jackson | 94 | SEA |
| +108+ | 2.16 | Frank Williams | 61.7 | CIN |
| +111+ | 2.14 | Jay Howell | 61.3 | LAN |
| +116+ | 2.05 | Rob Dibble | 50.7 | CIN |
| +120+ | 1.99 | Greg Cadaret | 65 | OAK |
| +121+ | 1.97 | Greg Minton | 72.7 | ANA |
| +122+ | 1.96 | Chuck Crim | 94.3 | MIL |
| +123+ | 1.95 | John Costello | 42.3 | SLN |
| +128+ | 1.8 | Dave Leiper | 44.7 | SDN |
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