| Team | Tm | Tier | Game |
|---|---|---|---|
| Cincinnati Reds | CIN | 3.52 | 198805220_CHN_CIN |
| San Francisco Giants | SFN | 3.17 | 198805240_SFN_NYN |
| Montreal Expos | WAS | 2.93 | 198805220_WAS_SFN |
| Philadelphia Phillies | PHI | 2.08 | 198805220_PHI_SDN |
| Kansas City Royals | KCA | 1.07 | 198805220_CLE_KCA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Minnesota Twins | MIN | -4.24 | 198805240_MIN_KCA |
| Boston Red Sox | BOS | -3.59 | 198805240_BOS_SEA |
| Seattle Mariners | SEA | -2.13 | 198805240_BOS_SEA |
| Baltimore Orioles | BAL | -1.11 | 198805240_BAL_OAK |
| Chicago Cubs | CHN | -0.98 | 198805220_CHN_CIN |
Based on accumulated WAA for this season up to 1988-05-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +041+ | 1.85 | Bryan Harvey | 22.7 | ANA |
| +053+ | 1.49 | John Franco | 27.7 | CIN |
| +058+ | 1.45 | Rob Murphy | 24.7 | CIN |
| +061+ | 1.41 | Alejandro Pena | 23.3 | LAN |
| +062+ | 1.4 | Juan Agosto | 21 | HOU |
| +069+ | 1.37 | Mark Davis | 31.7 | SDN |
| +070+ | 1.35 | Dale Mohorcic | 17.3 | TEX |
| +072+ | 1.31 | Keith Atherton | 26 | MIN |
| +077+ | 1.28 | Jeff Robinson | 45.7 | PIT |
| +078+ | 1.27 | Barry Jones | 21.7 | PIT |
| XXXXX | 1.23 | Tom Henke | 23 | TOR |
| XXXXX | 1.15 | Mike Henneman | 21.7 | DET |
| XXXXX | 1.08 | Wes Gardner | 23.7 | BOS |
| XXXXX | 1.07 | Dan Plesac | 21 | MIL |
| XXXXX | 1.05 | Craig Lefferts | 26.7 | SFN |
| XXXXX | 0.97 | Jose Rijo | 39 | CIN |
| XXXXX | 0.97 | Roger McDowell | 26.7 | NYN |
| XXXXX | 0.96 | Doug Sisk | 28.7 | BAL |
| XXXXX | 0.94 | Jeff Parrett | 30 | WAS |
| XXXXX | 0.93 | Duane Ward | 19.7 | TOR |
| XXXXX | 0.92 | Don Robinson | 27.7 | SFN |
| XXXXX | 0.91 | Brian Holton | 20 | LAN |
| XXXXX | 0.89 | Randy Myers | 14.3 | NYN |
| XXXXX | 0.89 | Dave Righetti | 22 | NYA |
| XXXXX | 0.85 | Jim Gott | 24 | PIT |
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