| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | 5.96 | 199007070_OAK_CLE |
| Cincinnati Reds | CIN | 2.87 | 199007080_CIN_PHI |
| Chicago White Sox | CHA | 1.45 | 199007060_BAL_CHA |
| Kansas City Royals | KCA | 1.16 | 199007060_KCA_DET |
| Cleveland Indians | CLE | 1.01 | 199007080_OAK_CLE |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | -4.34 | 199007070_NYN_ATL |
| Chicago Cubs | CHN | -2.95 | 199007081_CHN_SFN |
| Milwaukee Brewers | MIL | -2.51 | 199007060_ANA_MIL |
| St. Louis Cardinals | SLN | -1.46 | 199007080_SLN_SDN |
| Philadelphia Phillies | PHI | -0.97 | 199007060_CIN_PHI |
Based on accumulated WAA for this season up to 1990-07-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +015+ | 3.59 | Jeff Brantley | 65.3 | SFN |
| +017+ | 3.27 | Mark Williamson | 54.3 | BAL |
| +026+ | 2.89 | Dennis Eckersley | 36.3 | OAK |
| +029+ | 2.84 | Edwin Nunez | 56 | DET |
| +031+ | 2.78 | Gregg Olson | 44.3 | BAL |
| +034+ | 2.65 | Doug Jones | 44.7 | CLE |
| +037+ | 2.47 | Rob Dibble | 48.3 | CIN |
| +039+ | 2.43 | Bill Landrum | 42.3 | PIT |
| +046+ | 2.31 | Bill Sampen | 48.3 | WAS |
| +045+ | 2.31 | Steve Farr | 57 | KCA |
| +047+ | 2.29 | Greg Harris | 62.7 | SDN |
| +050+ | 2.25 | Tom Henke | 41 | TOR |
| +054+ | 2.17 | Mark Eichhorn | 59 | ANA |
| +056+ | 2.1 | Bobby Thigpen | 46.7 | CHA |
| +057+ | 2.1 | Bill Swift | 55 | SEA |
| +059+ | 2.08 | Gene Nelson | 36.7 | OAK |
| +063+ | 1.98 | Lee Smith | 51.3 | TOT |
| +069+ | 1.83 | Mike Schooler | 38.3 | SEA |
| +070+ | 1.82 | Dennis Lamp | 58.7 | BOS |
| +071+ | 1.8 | Scott Radinsky | 34 | CHA |
| +074+ | 1.75 | Paul Gibson | 51 | DET |
| +076+ | 1.73 | Jeff Montgomery | 53 | KCA |
| +077+ | 1.72 | Randy Myers | 44.7 | CIN |
| +080+ | 1.69 | John Franco | 37 | NYN |
| +082+ | 1.67 | Darrel Akerfelds | 48 | PHI |
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