| Team | Tm | Tier | Game |
|---|---|---|---|
| Cincinnati Reds | CIN | 5.03 | 198809090_CIN_LAN |
| San Diego Padres | SDN | 2.02 | 198809070_CIN_SDN |
| Montreal Expos | WAS | 1.71 | 198809090_NYN_WAS |
| Oakland Athletics | OAK | 1.3 | 198809080_OAK_KCA |
| Milwaukee Brewers | MIL | 1.1 | 198809090_SEA_MIL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Yankees | NYA | -4.78 | 198809070_CLE_NYA |
| Baltimore Orioles | BAL | -2.46 | 198809070_BOS_BAL |
| California Angels | ANA | -2.17 | 198809070_ANA_KCA |
| 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 1988-09-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +033+ | 4.46 | John Franco | 76 | CIN |
| +050+ | 3.38 | Lance McCullers | 84 | SDN |
| +053+ | 3.21 | Mark Davis | 89.3 | SDN |
| +054+ | 3.19 | Brian Holton | 75.7 | LAN |
| +058+ | 3.04 | Mike Henneman | 74 | DET |
| +059+ | 3.03 | Greg Harris | 94.3 | PHI |
| +060+ | 3.02 | Bryan Harvey | 74.3 | ANA |
| +064+ | 2.95 | Randy Myers | 58 | NYN |
| +073+ | 2.82 | Alejandro Pena | 78.7 | LAN |
| +076+ | 2.68 | Jeff Parrett | 78.3 | WAS |
| +079+ | 2.64 | Steve Farr | 74.7 | KCA |
| +085+ | 2.5 | Doug Jones | 75.3 | CLE |
| +094+ | 2.36 | Juan Agosto | 80.7 | HOU |
| +095+ | 2.35 | John Costello | 39.7 | SLN |
| +100+ | 2.19 | Michael Jackson | 93.3 | SEA |
| +101+ | 2.18 | Larry Andersen | 78.7 | HOU |
| +104+ | 2.16 | Roger McDowell | 82.7 | NYN |
| +105+ | 2.12 | Terry Leach | 87 | NYN |
| +110+ | 2.06 | Paul Mirabella | 49.7 | MIL |
| +115+ | 1.99 | Jay Howell | 59.3 | LAN |
| +114+ | 1.99 | Greg Cadaret | 64.7 | OAK |
| +117+ | 1.97 | Dan Plesac | 51 | MIL |
| +122+ | 1.88 | Frank Williams | 58.3 | CIN |
| +123+ | 1.88 | Chuck Crim | 93 | MIL |
| +126+ | 1.8 | Rob Dibble | 47.7 | CIN |
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