| Team | Tm | Tier | Game |
|---|---|---|---|
| Montreal Expos | WAS | 4.54 | 198805060_HOU_WAS |
| San Francisco Giants | SFN | 2.89 | 198805060_SFN_CHN |
| Cincinnati Reds | CIN | 2.85 | 198805050_PHI_CIN |
| San Diego Padres | SDN | 1.21 | 198805070_SDN_PIT |
| Kansas City Royals | KCA | 1.04 | 198805060_MIL_KCA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago Cubs | CHN | -4.31 | 198805070_SFN_CHN |
| Boston Red Sox | BOS | -2.34 | 198805060_BOS_MIN |
| Seattle Mariners | SEA | -1.93 | 198805070_DET_SEA |
| Atlanta Braves | ATL | -1.76 | 198805060_PHI_ATL |
| Baltimore Orioles | BAL | -0.99 | 198805070_CHA_BAL |
Based on accumulated WAA for this season up to 1988-05-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +037+ | 1.36 | Craig Lefferts | 18.3 | SFN |
| +042+ | 1.28 | D Eckersley | 14.7 | OAK |
| XXXXX | 1.07 | John Franco | 18 | CIN |
| XXXXX | 1.07 | Jeff Robinson | 31.7 | PIT |
| XXXXX | 1.06 | Jeff Parrett | 20 | WAS |
| XXXXX | 1.01 | Barry Jones | 11.7 | PIT |
| XXXXX | 0.99 | Greg Booker | 15.7 | SDN |
| XXXXX | 0.98 | Alejandro Pena | 11 | LAN |
| XXXXX | 0.97 | Don Robinson | 18.7 | SFN |
| XXXXX | 0.97 | Wes Gardner | 15.7 | BOS |
| XXXXX | 0.97 | Rob Murphy | 19.3 | CIN |
| XXXXX | 0.95 | Mark Davis | 22.3 | SDN |
| XXXXX | 0.92 | Bryan Harvey | 12.3 | ANA |
| XXXXX | 0.9 | Tom Henke | 14.7 | TOR |
| XXXXX | 0.88 | John Davis | 20 | CHA |
| XXXXX | 0.87 | Duane Ward | 14.3 | TOR |
| XXXXX | 0.83 | Lee Smith | 11.7 | BOS |
| XXXXX | 0.82 | Doug Sisk | 20.3 | BAL |
| XXXXX | 0.82 | Rick Honeycutt | 16.7 | OAK |
| XXXXX | 0.8 | Mike Henneman | 18 | DET |
| XXXXX | 0.77 | Ray Krawczyk | 13 | ANA |
| XXXXX | 0.76 | Bill Long | 21 | CHA |
| XXXXX | 0.75 | Keith Atherton | 15.3 | MIN |
| XXXXX | 0.73 | Dan Plesac | 12.7 | MIL |
| XXXXX | 0.73 | Dale Mohorcic | 8 | TEX |
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