| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | 4.55 | 199008090_BAL_OAK |
| Cincinnati Reds | CIN | 2.3 | 199008080_LAN_CIN |
| Pittsburgh Pirates | PIT | 1.88 | 199008090_WAS_PIT |
| Chicago White Sox | CHA | 1.51 | 199008090_CHA_KCA |
| Baltimore Orioles | BAL | 0.7 | 199008090_BAL_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | -4.72 | 199008090_SDN_ATL |
| Boston Red Sox | BOS | -2.68 | 199008090_BOS_ANA |
| Philadelphia Phillies | PHI | -1.81 | 199008090_PHI_NYN |
| Detroit Tigers | DET | -1.73 | 199008090_DET_TOR |
| Chicago Cubs | CHN | -1.66 | 199008090_SLN_CHN |
Based on accumulated WAA for this season up to 1990-08-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +022+ | 3.83 | Mark Williamson | 76.7 | BAL |
| +023+ | 3.81 | Gregg Olson | 55.7 | BAL |
| +025+ | 3.71 | Dennis Eckersley | 50.3 | OAK |
| +030+ | 3.55 | Doug Jones | 56.3 | CLE |
| +032+ | 3.52 | Steve Farr | 81.7 | KCA |
| +045+ | 2.84 | Randy Myers | 59.3 | CIN |
| +047+ | 2.82 | Bobby Thigpen | 59 | CHA |
| +048+ | 2.81 | Gene Nelson | 52 | OAK |
| +050+ | 2.78 | Lee Smith | 69.3 | TOT |
| +049+ | 2.78 | Rob Dibble | 65.7 | CIN |
| +057+ | 2.59 | Greg Harris | 84.3 | SDN |
| +063+ | 2.39 | Jeff Montgomery | 67 | KCA |
| +064+ | 2.38 | Brad Arnsberg | 40 | TEX |
| +066+ | 2.35 | John Franco | 51 | NYN |
| +067+ | 2.3 | Larry Andersen | 59.3 | HOU |
| +069+ | 2.28 | Tom Henke | 53 | TOR |
| +070+ | 2.26 | Bill Landrum | 57.3 | PIT |
| +071+ | 2.25 | Barry Jones | 57.3 | CHA |
| +073+ | 2.23 | Terry Leach | 65.7 | MIN |
| +085+ | 2.04 | Mike Schooler | 50 | SEA |
| +087+ | 2.02 | Tim Crews | 70 | LAN |
| +092+ | 1.99 | Dennis Cook | 117.7 | PHI |
| +105+ | 1.82 | Keith Comstock | 43 | SEA |
| +103+ | 1.82 | Bob Patterson | 75.7 | PIT |
| +108+ | 1.8 | Craig Lefferts | 64 | SDN |
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