| Team | Tm | Tier | Game |
|---|---|---|---|
| Cincinnati Reds | CIN | 4.32 | 198809040_CIN_CHN |
| San Diego Padres | SDN | 3.35 | 198809030_SDN_PHI |
| New York Mets | NYN | 1.58 | 198809030_LAN_NYN |
| Montreal Expos | WAS | 1.29 | 198809040_SFN_WAS |
| Detroit Tigers | DET | 1.26 | 198809020_MIL_DET |
| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Yankees | NYA | -4.15 | 198809040_NYA_OAK |
| Baltimore Orioles | BAL | -4.01 | 198809020_BAL_SEA |
| Seattle Mariners | SEA | -1.58 | 198809040_BAL_SEA |
| Chicago White Sox | CHA | -1.54 | 198809020_CHA_CLE |
| Chicago Cubs | CHN | -1.18 | 198809020_CIN_CHN |
Based on accumulated WAA for this season up to 1988-09-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +036+ | 4.34 | John Franco | 74.3 | CIN |
| +051+ | 3.19 | Lance McCullers | 81.3 | SDN |
| +057+ | 3.06 | Mark Davis | 84.7 | SDN |
| +058+ | 3.05 | Brian Holton | 73.7 | LAN |
| +059+ | 2.94 | Mike Henneman | 70 | DET |
| +061+ | 2.93 | Greg Harris | 93 | PHI |
| +069+ | 2.8 | Bryan Harvey | 72 | ANA |
| +070+ | 2.8 | Randy Myers | 56 | NYN |
| +073+ | 2.77 | Steve Farr | 73.3 | KCA |
| +074+ | 2.76 | Alejandro Pena | 77.7 | LAN |
| +075+ | 2.73 | Jeff Parrett | 76.3 | WAS |
| +087+ | 2.49 | Juan Agosto | 79.3 | HOU |
| +090+ | 2.44 | Roger McDowell | 78.3 | NYN |
| +095+ | 2.37 | John Costello | 39.7 | SLN |
| +098+ | 2.35 | Doug Jones | 73.3 | CLE |
| +097+ | 2.35 | Larry Andersen | 77.7 | HOU |
| +103+ | 2.27 | Chuck Crim | 92 | MIL |
| +106+ | 2.15 | Greg Minton | 67 | ANA |
| +109+ | 2.09 | Michael Jackson | 91.7 | SEA |
| +112+ | 2.08 | Jeff Robinson | 105 | PIT |
| +116+ | 1.97 | Paul Mirabella | 46 | MIL |
| +120+ | 1.89 | Jay Howell | 58 | LAN |
| +123+ | 1.78 | Greg Cadaret | 62 | OAK |
| +125+ | 1.76 | Frank Williams | 56.7 | CIN |
| +126+ | 1.74 | Terry Leach | 82.3 | NYN |
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