| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 3.1 | 198906210_HOU_SFN |
| New York Mets | NYN | 2.26 | 198906210_WAS_NYN |
| Cincinnati Reds | CIN | 1.91 | 198906211_CIN_ATL |
| St. Louis Cardinals | SLN | 1.76 | 198906220_SLN_PHI |
| Oakland Athletics | OAK | 1.73 | 198906220_TOR_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -4.4 | 198906231_CHA_MIL |
| Minnesota Twins | MIN | -2.51 | 198906210_MIN_CLE |
| Philadelphia Phillies | PHI | -2.25 | 198906230_PHI_NYN |
| Pittsburgh Pirates | PIT | -1.85 | 198906230_SLN_PIT |
| Boston Red Sox | BOS | -1.66 | 198906220_TEX_BOS |
Based on accumulated WAA for this season up to 1989-06-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +020+ | 3.02 | Larry Andersen | 42 | HOU |
| +030+ | 2.69 | Todd Burns | 55.3 | OAK |
| +032+ | 2.66 | Jay Howell | 42 | LAN |
| +040+ | 2.52 | Rick Aguilera | 44.3 | NYN |
| +044+ | 2.38 | Lee Guetterman | 48 | NYA |
| +050+ | 2.2 | Bill Landrum | 28.7 | PIT |
| +051+ | 2.19 | Randy Myers | 45.3 | NYN |
| +057+ | 2.1 | Craig Lefferts | 52 | SFN |
| +065+ | 1.9 | Greg Minton | 44 | ANA |
| +067+ | 1.87 | John Franco | 36.3 | CIN |
| +072+ | 1.81 | Rob Dibble | 50.3 | CIN |
| +079+ | 1.77 | Gregg Olson | 42.7 | BAL |
| +082+ | 1.71 | Mike Schooler | 36.3 | SEA |
| +084+ | 1.67 | Rick Honeycutt | 38.7 | OAK |
| +085+ | 1.62 | Jeff Montgomery | 38.7 | KCA |
| +088+ | 1.56 | Danny Darwin | 60 | HOU |
| +095+ | 1.44 | Jose Alvarez | 48.7 | ATL |
| +099+ | 1.38 | Rich Gossage | 23.7 | SFN |
| +103+ | 1.36 | Greg Harris | 40.3 | SDN |
| +101+ | 1.36 | Dan Schatzeder | 32 | HOU |
| +104+ | 1.36 | Frank Williams | 53.3 | DET |
| +105+ | 1.35 | Todd Worrell | 26 | SLN |
| +109+ | 1.33 | Rob Murphy | 40.3 | BOS |
| XXXXX | 1.25 | Joe Boever | 36.7 | ATL |
| XXXXX | 1.2 | Gene Nelson | 33.3 | OAK |
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