| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | 4.83 | 199006230_CHA_OAK |
| Houston Astros | HOU | 2.6 | 199006230_SFN_HOU |
| Cincinnati Reds | CIN | 1.83 | 199006210_CIN_ATL |
| Baltimore Orioles | BAL | 1.52 | 199006230_BAL_BOS |
| Chicago White Sox | CHA | 1.47 | 199006230_CHA_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | -4.24 | 199006210_CIN_ATL |
| Chicago Cubs | CHN | -3.93 | 199006230_SLN_CHN |
| St. Louis Cardinals | SLN | -2.89 | 199006220_SLN_CHN |
| San Francisco Giants | SFN | -0.96 | 199006230_SFN_HOU |
| California Angels | ANA | -0.8 | 199006230_DET_ANA |
Based on accumulated WAA for this season up to 1990-06-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +013+ | 3.41 | Mark Eichhorn | 54 | ANA |
| +025+ | 2.91 | Jeff Brantley | 55.7 | SFN |
| +029+ | 2.64 | Mark Williamson | 47.7 | BAL |
| +034+ | 2.49 | Gregg Olson | 39 | BAL |
| +035+ | 2.43 | Greg Harris | 52.3 | SDN |
| +036+ | 2.41 | Dennis Eckersley | 31.3 | OAK |
| +041+ | 2.2 | Larry Andersen | 40.3 | HOU |
| +040+ | 2.2 | Bill Swift | 47 | SEA |
| +046+ | 2.1 | Craig Lefferts | 41.7 | SDN |
| +045+ | 2.1 | Doug Jones | 36.3 | CLE |
| +048+ | 2.09 | Edwin Nunez | 45.7 | DET |
| +051+ | 1.99 | Bill Landrum | 33 | PIT |
| +053+ | 1.97 | Bobby Thigpen | 35.7 | CHA |
| +055+ | 1.96 | Bill Sampen | 40 | WAS |
| +059+ | 1.91 | Rob Dibble | 40 | CIN |
| +061+ | 1.85 | Barry Jones | 34.3 | CHA |
| +066+ | 1.81 | Jeff Montgomery | 45 | KCA |
| +069+ | 1.78 | Paul Gibson | 44.7 | DET |
| +070+ | 1.77 | Tom Henke | 36 | TOR |
| +074+ | 1.71 | Rick Aguilera | 32 | MIN |
| +076+ | 1.66 | Gene Nelson | 32.3 | OAK |
| +077+ | 1.66 | Lee Guetterman | 45.7 | NYA |
| +081+ | 1.6 | Danny Darwin | 43 | HOU |
| +082+ | 1.57 | Juan Agosto | 42.7 | HOU |
| +087+ | 1.48 | Darrel Akerfelds | 39.3 | PHI |
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