| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 3.43 | 198805270_SFN_PHI |
| Cincinnati Reds | CIN | 3.09 | 198805250_CIN_SLN |
| Montreal Expos | WAS | 2.4 | 198805250_SDN_WAS |
| Philadelphia Phillies | PHI | 1.66 | 198805250_LAN_PHI |
| Los Angeles Dodgers | LAN | 0.83 | 198805250_LAN_PHI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -4.35 | 198805250_BOS_SEA |
| Minnesota Twins | MIN | -4.31 | 198805250_MIN_KCA |
| Seattle Mariners | SEA | -1.93 | 198805250_BOS_SEA |
| Atlanta Braves | ATL | -1.68 | 198805250_ATL_CHN |
| Baltimore Orioles | BAL | -1.08 | 198805250_BAL_OAK |
Based on accumulated WAA for this season up to 1988-05-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +039+ | 1.95 | Bryan Harvey | 24 | ANA |
| +054+ | 1.65 | John Franco | 29.7 | CIN |
| +055+ | 1.6 | Dale Mohorcic | 20.3 | TEX |
| +056+ | 1.56 | Mark Davis | 34 | SDN |
| +061+ | 1.43 | Jeff Robinson | 47.7 | PIT |
| +062+ | 1.4 | Juan Agosto | 21 | HOU |
| +063+ | 1.39 | Alejandro Pena | 25.7 | LAN |
| +064+ | 1.39 | Craig Lefferts | 30.7 | SFN |
| +077+ | 1.29 | Keith Atherton | 26 | MIN |
| +079+ | 1.26 | Barry Jones | 21.7 | PIT |
| XXXXX | 1.18 | Jeff Parrett | 33 | WAS |
| XXXXX | 1.13 | Mike Henneman | 21.7 | DET |
| XXXXX | 1.1 | Rob Murphy | 25.7 | CIN |
| XXXXX | 1.07 | Wes Gardner | 23.7 | BOS |
| XXXXX | 1.07 | Dan Plesac | 21 | MIL |
| XXXXX | 1.04 | Roger McDowell | 27.7 | NYN |
| XXXXX | 1.01 | Wally Ritchie | 14 | PHI |
| XXXXX | 0.96 | Jose Rijo | 39 | CIN |
| XXXXX | 0.96 | Jay Howell | 18.3 | LAN |
| XXXXX | 0.95 | Don Robinson | 28 | SFN |
| XXXXX | 0.95 | Doug Sisk | 28.7 | BAL |
| XXXXX | 0.94 | Randy Myers | 15 | NYN |
| XXXXX | 0.9 | Brian Holton | 20 | LAN |
| XXXXX | 0.89 | D Eckersley | 22 | OAK |
| XXXXX | 0.89 | Tom Henke | 24 | TOR |
_