| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | 4.55 | 199008090_BAL_OAK |
| Pittsburgh Pirates | PIT | 2.78 | 199008100_SLN_PIT |
| Cincinnati Reds | CIN | 2.21 | 199008090_LAN_CIN |
| Chicago White Sox | CHA | 1.52 | 199008110_TEX_CHA |
| Baltimore Orioles | BAL | 0.95 | 199008100_BAL_ANA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | -7.36 | 199008110_LAN_ATL |
| Boston Red Sox | BOS | -3.31 | 199008100_BOS_SEA |
| Philadelphia Phillies | PHI | -2.2 | 199008100_PHI_WAS |
| San Diego Padres | SDN | -1.77 | 199008110_SDN_HOU |
| Detroit Tigers | DET | -1.73 | 199008090_DET_TOR |
Based on accumulated WAA for this season up to 1990-08-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +020+ | 4.21 | Jeff Brantley | 76.3 | SFN |
| +023+ | 3.8 | Mark Williamson | 78.7 | BAL |
| +024+ | 3.78 | Gregg Olson | 57.7 | BAL |
| +026+ | 3.71 | Dennis Eckersley | 50.3 | OAK |
| +027+ | 3.6 | Doug Jones | 57 | CLE |
| +035+ | 3.28 | Steve Farr | 83.7 | KCA |
| +046+ | 2.9 | Gene Nelson | 55.3 | OAK |
| +047+ | 2.88 | Bobby Thigpen | 59.7 | CHA |
| +048+ | 2.87 | Rob Dibble | 66.7 | CIN |
| +053+ | 2.79 | Lee Smith | 69.7 | TOT |
| +054+ | 2.75 | Greg Harris | 86.3 | SDN |
| +055+ | 2.72 | Randy Myers | 60.3 | CIN |
| +059+ | 2.56 | Jeff Montgomery | 69 | KCA |
| +060+ | 2.54 | Brad Arnsberg | 41.7 | TEX |
| +062+ | 2.49 | Tom Henke | 55.3 | TOR |
| +063+ | 2.47 | Larry Andersen | 61.3 | HOU |
| +070+ | 2.35 | John Franco | 51 | NYN |
| +069+ | 2.35 | Bill Landrum | 58.3 | PIT |
| +079+ | 2.16 | Barry Jones | 58.7 | CHA |
| +088+ | 1.98 | Tim Crews | 72 | LAN |
| +091+ | 1.95 | Mike Schooler | 54 | SEA |
| +092+ | 1.94 | Craig Lefferts | 65.7 | SDN |
| +098+ | 1.83 | Keith Comstock | 43.3 | SEA |
| +099+ | 1.82 | Bob Patterson | 75.7 | PIT |
| +105+ | 1.75 | Terry Leach | 67.3 | MIN |
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