| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | 4.55 | 199008090_BAL_OAK |
| Pittsburgh Pirates | PIT | 2.78 | 199008100_SLN_PIT |
| Cincinnati Reds | CIN | 2.3 | 199008080_LAN_CIN |
| Chicago White Sox | CHA | 1.51 | 199008090_CHA_KCA |
| Baltimore Orioles | BAL | 0.95 | 199008100_BAL_ANA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | -4.72 | 199008090_SDN_ATL |
| Boston Red Sox | BOS | -3.31 | 199008100_BOS_SEA |
| Philadelphia Phillies | PHI | -2.2 | 199008100_PHI_WAS |
| 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 1990-08-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +023+ | 3.81 | Mark Williamson | 76.7 | BAL |
| +024+ | 3.77 | Gregg Olson | 57.7 | BAL |
| +025+ | 3.7 | Dennis Eckersley | 50.3 | OAK |
| +026+ | 3.59 | Doug Jones | 57 | CLE |
| +031+ | 3.5 | Steve Farr | 81.7 | KCA |
| +046+ | 2.87 | Bobby Thigpen | 59.7 | CHA |
| +047+ | 2.83 | Randy Myers | 59.3 | CIN |
| +051+ | 2.8 | Gene Nelson | 52 | OAK |
| +052+ | 2.77 | Rob Dibble | 65.7 | CIN |
| +053+ | 2.76 | Lee Smith | 69.3 | TOT |
| +058+ | 2.57 | Greg Harris | 84.3 | SDN |
| +059+ | 2.55 | Jeff Montgomery | 69 | KCA |
| +065+ | 2.38 | Brad Arnsberg | 40 | TEX |
| +066+ | 2.36 | Tom Henke | 54 | TOR |
| +067+ | 2.34 | John Franco | 51 | NYN |
| +070+ | 2.29 | Larry Andersen | 59.3 | HOU |
| +072+ | 2.25 | Bill Landrum | 57.3 | PIT |
| +074+ | 2.22 | Terry Leach | 65.7 | MIN |
| +079+ | 2.15 | Barry Jones | 58.7 | CHA |
| +081+ | 2.12 | Mike Schooler | 51 | SEA |
| +099+ | 1.84 | Craig Lefferts | 64.7 | SDN |
| +101+ | 1.81 | Keith Comstock | 43 | SEA |
| +102+ | 1.81 | Bob Patterson | 75.7 | PIT |
| +103+ | 1.8 | Tim Crews | 70 | LAN |
| +109+ | 1.77 | Zane Smith | 140.3 | TOT |
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