| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 3.58 | 198906280_SFN_HOU |
| New York Mets | NYN | 1.75 | 198906280_NYN_WAS |
| Los Angeles Dodgers | LAN | 1.19 | 198906280_SDN_LAN |
| New York Yankees | NYA | 1.14 | 198906270_NYA_DET |
| St. Louis Cardinals | SLN | 1.09 | 198906260_PHI_SLN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -4.87 | 198906280_TEX_CHA |
| Boston Red Sox | BOS | -2.41 | 198906280_BOS_MIL |
| Minnesota Twins | MIN | -1.44 | 198906280_OAK_MIN |
| Philadelphia Phillies | PHI | -1.27 | 198906260_PHI_SLN |
| Pittsburgh Pirates | PIT | -1.03 | 198906280_PIT_CHN |
Based on accumulated WAA for this season up to 1989-06-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +017+ | 3.34 | Larry Andersen | 45.7 | HOU |
| +029+ | 2.89 | Jay Howell | 45 | LAN |
| +034+ | 2.71 | Bill Landrum | 34.7 | PIT |
| +036+ | 2.68 | Rick Aguilera | 48.7 | NYN |
| +038+ | 2.55 | Todd Burns | 56 | OAK |
| +046+ | 2.44 | Randy Myers | 48.3 | NYN |
| +054+ | 2.22 | Craig Lefferts | 53 | SFN |
| +056+ | 2.17 | Jeff Montgomery | 45 | KCA |
| +057+ | 2.11 | Rob Dibble | 53.7 | CIN |
| +058+ | 2.09 | Lee Guetterman | 49.3 | NYA |
| +066+ | 1.96 | John Franco | 37.3 | CIN |
| +072+ | 1.91 | Greg Minton | 44 | ANA |
| +075+ | 1.87 | Gregg Olson | 43.7 | BAL |
| +078+ | 1.83 | Mike Schooler | 37.7 | SEA |
| +082+ | 1.71 | Dan Schatzeder | 36 | HOU |
| +083+ | 1.7 | Danny Darwin | 64 | HOU |
| +084+ | 1.64 | Rick Honeycutt | 40.7 | OAK |
| +090+ | 1.58 | Frank Williams | 55.7 | DET |
| +094+ | 1.5 | Greg Harris | 42.3 | SDN |
| +100+ | 1.46 | Doug Jones | 33.3 | CLE |
| +106+ | 1.35 | Eric Plunk | 32.3 | TOT |
| +109+ | 1.32 | Bob Kipper | 53 | PIT |
| +108+ | 1.32 | Dan Quisenberry | 40.3 | SLN |
| +113+ | 1.25 | Tim Burke | 46.3 | WAS |
| XXXXX | 1.24 | Todd Worrell | 27 | SLN |
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