| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | 4.83 | 199006230_CHA_OAK |
| Houston Astros | HOU | 2.65 | 199006240_SFN_HOU |
| Cincinnati Reds | CIN | 1.74 | 199006240_LAN_CIN |
| Chicago White Sox | CHA | 1.64 | 199006240_CHA_OAK |
| Baltimore Orioles | BAL | 1.52 | 199006230_BAL_BOS |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | -4.93 | 199006240_SDN_ATL |
| Chicago Cubs | CHN | -3.93 | 199006230_SLN_CHN |
| St. Louis Cardinals | SLN | -2.89 | 199006220_SLN_CHN |
| Boston Red Sox | BOS | -1.64 | 199006240_BAL_BOS |
| San Francisco Giants | SFN | -0.96 | 199006230_SFN_HOU |
Based on accumulated WAA for this season up to 1990-06-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +016+ | 3.43 | Mark Eichhorn | 54 | ANA |
| +026+ | 2.95 | Jeff Brantley | 55.7 | SFN |
| +029+ | 2.67 | Mark Williamson | 47.7 | BAL |
| +032+ | 2.54 | Greg Harris | 53.3 | SDN |
| +034+ | 2.51 | Gregg Olson | 39 | BAL |
| +035+ | 2.42 | Dennis Eckersley | 31.3 | OAK |
| +039+ | 2.27 | Doug Jones | 38 | CLE |
| +042+ | 2.23 | Bill Swift | 47 | SEA |
| +044+ | 2.22 | Larry Andersen | 40.3 | HOU |
| +047+ | 2.11 | Edwin Nunez | 45.7 | DET |
| +052+ | 2.04 | Bill Sampen | 40.7 | WAS |
| +057+ | 1.95 | Barry Jones | 35.3 | CHA |
| +059+ | 1.93 | Rob Dibble | 40 | CIN |
| +061+ | 1.83 | Jeff Montgomery | 45 | KCA |
| +064+ | 1.81 | Paul Gibson | 44.7 | DET |
| +067+ | 1.78 | Bill Landrum | 35 | PIT |
| +066+ | 1.78 | Tom Henke | 36 | TOR |
| +071+ | 1.73 | Rick Aguilera | 32 | MIN |
| +073+ | 1.69 | Lee Guetterman | 45.7 | NYA |
| +076+ | 1.67 | Gene Nelson | 32.3 | OAK |
| +079+ | 1.65 | Bobby Thigpen | 36.7 | CHA |
| +080+ | 1.62 | Danny Darwin | 43 | HOU |
| +081+ | 1.62 | Juan Agosto | 43 | HOU |
| +082+ | 1.59 | Steve Farr | 44.7 | KCA |
| +084+ | 1.5 | Darrel Akerfelds | 39.3 | PHI |
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