| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 3.42 | 198906200_HOU_SFN |
| New York Mets | NYN | 2.53 | 198906200_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 | -3.57 | 198906220_CHA_NYA |
| Philadelphia Phillies | PHI | -2.7 | 198906201_SLN_PHI |
| Minnesota Twins | MIN | -2.51 | 198906210_MIN_CLE |
| Pittsburgh Pirates | PIT | -1.83 | 198906200_CHN_PIT |
| Boston Red Sox | BOS | -1.72 | 198906200_TEX_BOS |
Based on accumulated WAA for this season up to 1989-06-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +019+ | 3.02 | Larry Andersen | 42 | HOU |
| +034+ | 2.68 | Todd Burns | 55.3 | OAK |
| +036+ | 2.65 | Jay Howell | 42 | LAN |
| +039+ | 2.52 | Rick Aguilera | 44.3 | NYN |
| +042+ | 2.37 | Lee Guetterman | 48 | NYA |
| +048+ | 2.19 | Bill Landrum | 28.7 | PIT |
| +049+ | 2.17 | Craig Lefferts | 50.3 | SFN |
| +054+ | 2.04 | Randy Myers | 43.7 | NYN |
| +056+ | 2.02 | Greg Harris | 38.3 | SDN |
| +067+ | 1.89 | Greg Minton | 44 | ANA |
| +071+ | 1.81 | Rob Dibble | 50.3 | CIN |
| +074+ | 1.78 | John Franco | 35.3 | CIN |
| +077+ | 1.75 | Gregg Olson | 42.7 | BAL |
| +080+ | 1.69 | Mike LaCoss | 44.7 | SFN |
| +082+ | 1.66 | Rick Honeycutt | 38.7 | OAK |
| +084+ | 1.61 | Jeff Montgomery | 38.7 | KCA |
| +085+ | 1.58 | Pat Perry | 35.7 | CHN |
| +086+ | 1.56 | Mike Schooler | 34.7 | SEA |
| +093+ | 1.43 | Jose Alvarez | 48.7 | ATL |
| +096+ | 1.41 | Danny Darwin | 58.3 | HOU |
| +100+ | 1.36 | Dan Schatzeder | 32 | HOU |
| +101+ | 1.35 | Frank Williams | 53.3 | DET |
| +104+ | 1.32 | Rich Gossage | 23 | SFN |
| +103+ | 1.32 | Rob Murphy | 40.3 | BOS |
| +107+ | 1.26 | Todd Worrell | 25 | SLN |
_