| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | 6.88 | 199006070_OAK_TEX |
| Chicago White Sox | CHA | 2.26 | 199006080_CHA_MIN |
| Cincinnati Reds | CIN | 2.02 | 199006060_CIN_SFN |
| Houston Astros | HOU | 1.95 | 199006080_CIN_HOU |
| New York Mets | NYN | 1.72 | 199006060_WAS_NYN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | -3.07 | 199006080_SFN_ATL |
| Philadelphia Phillies | PHI | -2.25 | 199006080_PHI_CHN |
| Chicago Cubs | CHN | -1.93 | 199006060_CHN_PIT |
| Montreal Expos | WAS | -1.51 | 199006060_WAS_NYN |
| St. Louis Cardinals | SLN | -1.08 | 199006070_SLN_WAS |
Based on accumulated WAA for this season up to 1990-06-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +014+ | 2.77 | Gregg Olson | 35 | BAL |
| +015+ | 2.74 | Mark Eichhorn | 44.3 | ANA |
| +022+ | 2.38 | Jeff Brantley | 42.7 | SFN |
| +040+ | 1.95 | Bill Landrum | 28 | PIT |
| +042+ | 1.93 | Dennis Eckersley | 26 | OAK |
| +048+ | 1.75 | Mark Williamson | 35.3 | BAL |
| +052+ | 1.71 | Doug Jones | 29.7 | CLE |
| +053+ | 1.66 | Rob Dibble | 30.3 | CIN |
| +055+ | 1.63 | Larry Andersen | 32 | HOU |
| +056+ | 1.62 | Greg Harris | 42.7 | SDN |
| +057+ | 1.61 | Wayne Edwards | 27 | CHA |
| +058+ | 1.61 | Mike Schooler | 26.7 | SEA |
| +059+ | 1.6 | Jeff Montgomery | 38.3 | KCA |
| +061+ | 1.56 | Craig Lefferts | 28.3 | SDN |
| +062+ | 1.55 | Barry Jones | 26.3 | CHA |
| +063+ | 1.51 | Paul Gibson | 37 | DET |
| +065+ | 1.47 | Bill Sampen | 30 | WAS |
| +070+ | 1.39 | Tom Henke | 29 | TOR |
| +076+ | 1.36 | Gene Nelson | 26.7 | OAK |
| +075+ | 1.36 | Rick Aguilera | 26 | MIN |
| +079+ | 1.34 | Bobby Thigpen | 28.7 | CHA |
| +078+ | 1.34 | Dennis Lamp | 39.7 | BOS |
| +085+ | 1.32 | Terry Leach | 32.3 | MIN |
| +084+ | 1.32 | Bill Swift | 35 | SEA |
| +088+ | 1.3 | Edwin Nunez | 37 | DET |
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