| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 3.37 | 198805300_SFN_WAS |
| Montreal Expos | WAS | 2.36 | 198805310_SFN_WAS |
| Philadelphia Phillies | PHI | 1.53 | 198805300_SDN_PHI |
| Kansas City Royals | KCA | 1.27 | 198805310_KCA_CLE |
| San Diego Padres | SDN | 0.84 | 198805300_SDN_PHI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Seattle Mariners | SEA | -6.6 | 198805310_BAL_SEA |
| Boston Red Sox | BOS | -3.98 | 198805290_BOS_OAK |
| Atlanta Braves | ATL | -1.95 | 198805310_PIT_ATL |
| Minnesota Twins | MIN | -1.68 | 198805300_TEX_MIN |
| Chicago White Sox | CHA | -0.91 | 198805290_CHA_TOR |
Based on accumulated WAA for this season up to 1988-05-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +039+ | 2.09 | Bryan Harvey | 25.7 | ANA |
| +055+ | 1.67 | John Franco | 29.7 | CIN |
| +059+ | 1.6 | Mark Davis | 34.3 | SDN |
| +060+ | 1.58 | Dale Mohorcic | 24.7 | TEX |
| +063+ | 1.53 | Barry Jones | 24.7 | PIT |
| +065+ | 1.51 | Craig Lefferts | 32 | SFN |
| +069+ | 1.43 | Juan Agosto | 23.7 | HOU |
| +076+ | 1.35 | Jeff Parrett | 35 | WAS |
| +077+ | 1.34 | Keith Atherton | 29 | MIN |
| +080+ | 1.29 | Alejandro Pena | 27 | LAN |
| XXXXX | 1.22 | Dan Plesac | 22.7 | MIL |
| XXXXX | 1.17 | Jose Rijo | 43.7 | CIN |
| XXXXX | 1.16 | D Eckersley | 25.3 | OAK |
| XXXXX | 1.14 | Roger McDowell | 29 | NYN |
| XXXXX | 1.13 | Doug Sisk | 30.7 | BAL |
| XXXXX | 1.07 | Wes Gardner | 23.7 | BOS |
| XXXXX | 1.07 | Jeff Robinson | 50.7 | PIT |
| XXXXX | 1.06 | Duane Ward | 26 | TOR |
| XXXXX | 1.05 | Randy Myers | 16.3 | NYN |
| XXXXX | 1.04 | Jim Gott | 26.3 | PIT |
| XXXXX | 1.02 | Cecilio Guante | 38.3 | NYA |
| XXXXX | 1.01 | Neil Allen | 23.7 | NYA |
| XXXXX | 0.94 | Don Robinson | 32.7 | SFN |
| XXXXX | 0.93 | Brian Holton | 20.3 | LAN |
| XXXXX | 0.91 | Tom Henke | 24.3 | TOR |
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