| Team | Tm | Tier | Game |
|---|---|---|---|
| Cincinnati Reds | CIN | 5.03 | 198809090_CIN_LAN |
| San Diego Padres | SDN | 1.99 | 198809090_ATL_SDN |
| Montreal Expos | WAS | 1.71 | 198809090_NYN_WAS |
| Detroit Tigers | DET | 1.37 | 198809100_DET_NYA |
| Los Angeles Dodgers | LAN | 1.36 | 198809100_CIN_LAN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Yankees | NYA | -4.27 | 198809090_DET_NYA |
| Baltimore Orioles | BAL | -1.99 | 198809100_TOR_BAL |
| California Angels | ANA | -1.94 | 198809080_ANA_TEX |
| Chicago Cubs | CHN | -1.77 | 198809090_CHN_SLN |
| Toronto Blue Jays | TOR | -1.3 | 198809090_TOR_BAL |
Based on accumulated WAA for this season up to 1988-09-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +034+ | 4.46 | John Franco | 76 | CIN |
| +050+ | 3.37 | Lance McCullers | 84 | SDN |
| +055+ | 3.21 | Mark Davis | 89.3 | SDN |
| +056+ | 3.19 | Brian Holton | 75.7 | LAN |
| +059+ | 3.12 | Greg Harris | 95.3 | PHI |
| +060+ | 3.04 | Mike Henneman | 74 | DET |
| +063+ | 2.98 | Bryan Harvey | 74.3 | ANA |
| +065+ | 2.95 | Randy Myers | 58 | NYN |
| +072+ | 2.82 | Alejandro Pena | 78.7 | LAN |
| +075+ | 2.7 | Jeff Parrett | 78.7 | WAS |
| +081+ | 2.63 | Steve Farr | 74.7 | KCA |
| +088+ | 2.5 | Doug Jones | 75.3 | CLE |
| +096+ | 2.35 | John Costello | 39.7 | SLN |
| +097+ | 2.26 | Juan Agosto | 82 | HOU |
| +098+ | 2.24 | Larry Andersen | 79.3 | HOU |
| +101+ | 2.18 | Michael Jackson | 93.3 | SEA |
| +102+ | 2.16 | Roger McDowell | 82.7 | NYN |
| +106+ | 2.12 | Terry Leach | 87 | NYN |
| +110+ | 2.06 | Paul Mirabella | 49.7 | MIL |
| +117+ | 2 | Frank Williams | 59.7 | CIN |
| +118+ | 1.99 | Greg Cadaret | 64.7 | OAK |
| +119+ | 1.99 | Jay Howell | 59.3 | LAN |
| +121+ | 1.96 | Dan Plesac | 51 | MIL |
| +123+ | 1.87 | Chuck Crim | 93 | MIL |
| +124+ | 1.8 | Rob Dibble | 47.7 | CIN |
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