| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | 5.94 | 199007080_OAK_CLE |
| Cincinnati Reds | CIN | 2.88 | 199007121_NYN_CIN |
| Chicago White Sox | CHA | 1.43 | 199007080_BAL_CHA |
| Cleveland Indians | CLE | 1.01 | 199007080_OAK_CLE |
| New York Mets | NYN | 0.91 | 199007121_NYN_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | -4.43 | 199007120_WAS_ATL |
| Chicago Cubs | CHN | -4.2 | 199007120_LAN_CHN |
| St. Louis Cardinals | SLN | -1.46 | 199007080_SLN_SDN |
| California Angels | ANA | -1.06 | 199007110_ANA_SEA |
| Milwaukee Brewers | MIL | -1.01 | 199007080_ANA_MIL |
Based on accumulated WAA for this season up to 1990-07-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +016+ | 3.6 | Jeff Brantley | 65.3 | SFN |
| +018+ | 3.37 | Mark Williamson | 55.3 | BAL |
| +025+ | 2.99 | Dennis Eckersley | 37.3 | OAK |
| +028+ | 2.88 | Gregg Olson | 45.3 | BAL |
| +030+ | 2.84 | Edwin Nunez | 56 | DET |
| +033+ | 2.75 | Doug Jones | 45.7 | CLE |
| +037+ | 2.58 | Bill Landrum | 44.3 | PIT |
| +040+ | 2.44 | Greg Harris | 64.7 | SDN |
| +045+ | 2.35 | Tom Henke | 42 | TOR |
| +047+ | 2.33 | Gene Nelson | 39.3 | OAK |
| +048+ | 2.32 | Bill Sampen | 48.3 | WAS |
| +051+ | 2.19 | Mark Eichhorn | 59 | ANA |
| +055+ | 2.11 | Bobby Thigpen | 46.7 | CHA |
| +054+ | 2.11 | Bill Swift | 55 | SEA |
| +062+ | 1.99 | Lee Smith | 51.3 | TOT |
| +065+ | 1.94 | Steve Farr | 57.3 | KCA |
| +069+ | 1.88 | Rob Dibble | 48.7 | CIN |
| +070+ | 1.85 | Randy Myers | 46 | CIN |
| +071+ | 1.83 | Dennis Lamp | 58.7 | BOS |
| +078+ | 1.75 | Jeff Montgomery | 53 | KCA |
| +080+ | 1.73 | Mike Henneman | 53 | DET |
| +081+ | 1.7 | John Franco | 37 | NYN |
| +085+ | 1.66 | Darrel Akerfelds | 50 | PHI |
| +086+ | 1.64 | Terry Leach | 49.7 | MIN |
| +088+ | 1.6 | Mike Schooler | 40.3 | SEA |
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