| Team | Tm | Tier | Game |
|---|---|---|---|
| Cincinnati Reds | CIN | 3.21 | 198809130_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 |
|---|---|---|---|
| Seattle Mariners | SEA | -3.03 | 198809130_MIN_SEA |
| New York Yankees | NYA | -2.76 | 198809130_NYA_CLE |
| Chicago Cubs | CHN | -2.7 | 198809130_CHN_PHI |
| Baltimore Orioles | BAL | -1.54 | 198809140_BAL_BOS |
| Atlanta Braves | ATL | -1.39 | 198809130_ATL_LAN |
Based on accumulated WAA for this season up to 1988-09-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.61 | Frank Viola | 232.3 | MIN |
| +041+ | 3.86 | John Franco | 79 | CIN |
| +045+ | 3.66 | Mike Henneman | 81.7 | DET |
| +052+ | 3.39 | Lance McCullers | 87 | SDN |
| +054+ | 3.35 | Greg Harris | 98.3 | PHI |
| +057+ | 3.26 | Mark Davis | 90.3 | SDN |
| +059+ | 3.17 | Brian Holton | 75.7 | LAN |
| +061+ | 3.14 | Randy Myers | 60.3 | NYN |
| +065+ | 3 | Alejandro Pena | 81 | LAN |
| +068+ | 2.96 | Bryan Harvey | 74.3 | ANA |
| +073+ | 2.83 | Steve Farr | 79.7 | KCA |
| +079+ | 2.68 | Doug Jones | 77.7 | CLE |
| +096+ | 2.39 | Jeff Parrett | 80.3 | WAS |
| +097+ | 2.33 | Paul Mirabella | 53 | MIL |
| +099+ | 2.31 | Roger McDowell | 84.7 | NYN |
| +100+ | 2.26 | Terry Leach | 89 | NYN |
| +102+ | 2.25 | Juan Agosto | 82 | HOU |
| +104+ | 2.21 | Michael Jackson | 94 | SEA |
| +105+ | 2.16 | Frank Williams | 61.7 | CIN |
| +107+ | 2.14 | Jay Howell | 61.3 | LAN |
| +115+ | 2.05 | Rob Dibble | 50.7 | CIN |
| +118+ | 2 | Greg Cadaret | 65 | OAK |
| +119+ | 1.96 | Chuck Crim | 94.3 | MIL |
| +121+ | 1.95 | John Costello | 42.3 | SLN |
| +124+ | 1.85 | Greg Minton | 71.3 | ANA |
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