| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | 2.93 | 199007030_OAK_MIL |
| Cincinnati Reds | CIN | 2.79 | 199007030_CIN_WAS |
| Houston Astros | HOU | 2.61 | 199007010_HOU_PHI |
| Chicago White Sox | CHA | 2.04 | 199007020_DET_CHA |
| Detroit Tigers | DET | 1.39 | 199007030_DET_CHA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | -3.67 | 199007030_ATL_PHI |
| Chicago Cubs | CHN | -2.58 | 199007010_CHN_SDN |
| Milwaukee Brewers | MIL | -1.27 | 199007030_OAK_MIL |
| St. Louis Cardinals | SLN | -1.23 | 199007030_SLN_SFN |
| Philadelphia Phillies | PHI | -0.92 | 199007010_HOU_PHI |
Based on accumulated WAA for this season up to 1990-07-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +018+ | 3.35 | Jeff Brantley | 60.3 | SFN |
| +021+ | 3.2 | Mark Eichhorn | 56 | ANA |
| +024+ | 2.88 | Mark Williamson | 50 | BAL |
| +027+ | 2.78 | Dennis Eckersley | 35.3 | OAK |
| +029+ | 2.77 | Greg Harris | 61 | SDN |
| +033+ | 2.62 | Edwin Nunez | 53.3 | DET |
| +035+ | 2.57 | Doug Jones | 43.7 | CLE |
| +036+ | 2.52 | Rob Dibble | 46.7 | CIN |
| +037+ | 2.51 | Gregg Olson | 41.3 | BAL |
| +043+ | 2.3 | Bill Landrum | 41 | PIT |
| +049+ | 2.19 | Bill Sampen | 47 | WAS |
| +052+ | 2.14 | Steve Farr | 53 | KCA |
| +054+ | 2.12 | Paul Gibson | 48 | DET |
| +055+ | 2.07 | Tom Henke | 39 | TOR |
| +056+ | 2.01 | Bobby Thigpen | 40.7 | CHA |
| +060+ | 1.94 | Juan Agosto | 51 | HOU |
| +062+ | 1.93 | Bill Swift | 51 | SEA |
| +064+ | 1.92 | Lee Guetterman | 52.7 | NYA |
| +065+ | 1.9 | Jeff Montgomery | 50.3 | KCA |
| +068+ | 1.88 | Gene Nelson | 34.7 | OAK |
| +080+ | 1.64 | Mike Schooler | 36.3 | SEA |
| +084+ | 1.62 | Barry Jones | 38.7 | CHA |
| +082+ | 1.62 | Randy Myers | 43.7 | CIN |
| +085+ | 1.61 | Lee Smith | 47.3 | TOT |
| +087+ | 1.59 | John Franco | 33.7 | NYN |
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