| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | 5.08 | 199007160_CLE_OAK |
| Cincinnati Reds | CIN | 1.73 | 199007160_WAS_CIN |
| Pittsburgh Pirates | PIT | 1.48 | 199007160_SFN_PIT |
| Baltimore Orioles | BAL | 1.42 | 199007150_MIN_BAL |
| New York Mets | NYN | 1.4 | 199007150_NYN_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | -4.81 | 199007160_PHI_ATL |
| Chicago Cubs | CHN | -3.43 | 199007150_LAN_CHN |
| St. Louis Cardinals | SLN | -1.68 | 199007160_LAN_SLN |
| California Angels | ANA | -0.71 | 199007160_MIL_ANA |
| Philadelphia Phillies | PHI | -0.61 | 199007140_PHI_HOU |
Based on accumulated WAA for this season up to 1990-07-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +013+ | 3.95 | Jeff Brantley | 69.3 | SFN |
| +015+ | 3.85 | Mark Williamson | 61 | BAL |
| +027+ | 3.1 | Dennis Eckersley | 38.7 | OAK |
| +028+ | 3.03 | Gregg Olson | 47.3 | BAL |
| +034+ | 2.87 | Doug Jones | 47 | CLE |
| +041+ | 2.66 | Bill Landrum | 45.3 | PIT |
| +047+ | 2.41 | Gene Nelson | 40.3 | OAK |
| +050+ | 2.36 | Bobby Thigpen | 49.7 | CHA |
| +051+ | 2.35 | Tom Henke | 44.3 | TOR |
| +054+ | 2.21 | Steve Farr | 60.3 | KCA |
| +055+ | 2.2 | Mark Eichhorn | 59.3 | ANA |
| +057+ | 2.15 | Lee Smith | 53.3 | TOT |
| +060+ | 2.11 | Randy Myers | 49 | CIN |
| +063+ | 2.02 | Jeff Montgomery | 56 | KCA |
| +065+ | 1.96 | Bill Sampen | 51.3 | WAS |
| +071+ | 1.9 | Rob Dibble | 51.3 | CIN |
| +073+ | 1.89 | Mike Henneman | 55 | DET |
| +077+ | 1.76 | Keith Comstock | 33 | SEA |
| +079+ | 1.75 | Terry Leach | 53.3 | MIN |
| +083+ | 1.73 | Greg Harris | 66 | SDN |
| +085+ | 1.71 | Darrel Akerfelds | 50.7 | PHI |
| +089+ | 1.66 | Paul Gibson | 59.3 | DET |
| +091+ | 1.62 | Mike Schooler | 40.7 | SEA |
| +092+ | 1.61 | Barry Jones | 48.3 | CHA |
| +094+ | 1.56 | Larry Andersen | 51.3 | HOU |
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