| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 3.75 | 198906170_HOU_SDN |
| New York Mets | NYN | 2.55 | 198906190_WAS_NYN |
| Cincinnati Reds | CIN | 2.06 | 198906170_CIN_SFN |
| St. Louis Cardinals | SLN | 1.91 | 198906180_PIT_SLN |
| San Francisco Giants | SFN | 1.35 | 198906190_HOU_SFN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -3.56 | 198906170_BOS_CHA |
| Pittsburgh Pirates | PIT | -2.88 | 198906170_PIT_SLN |
| Minnesota Twins | MIN | -2.06 | 198906190_MIL_MIN |
| Boston Red Sox | BOS | -1.92 | 198906170_BOS_CHA |
| Philadelphia Phillies | PHI | -1.67 | 198906170_NYN_PHI |
Based on accumulated WAA for this season up to 1989-06-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +018+ | 2.93 | Larry Andersen | 41.3 | HOU |
| +022+ | 2.81 | Rick Aguilera | 43 | NYN |
| +032+ | 2.6 | Lee Guetterman | 46 | NYA |
| +035+ | 2.54 | Jay Howell | 41 | LAN |
| +042+ | 2.38 | Todd Burns | 51.7 | OAK |
| +048+ | 2.25 | Randy Myers | 41.3 | NYN |
| +053+ | 2.16 | Greg Minton | 39.7 | ANA |
| +056+ | 2.15 | John Franco | 35 | CIN |
| +057+ | 2.11 | Bill Landrum | 27.7 | PIT |
| +062+ | 2.01 | Greg Harris | 38.3 | SDN |
| +063+ | 2.01 | Craig Lefferts | 48.7 | SFN |
| +067+ | 1.86 | Rob Dibble | 46.3 | CIN |
| +073+ | 1.67 | Mike LaCoss | 44.7 | SFN |
| +078+ | 1.61 | Frank DiPino | 34.3 | SLN |
| +079+ | 1.6 | Jeff Russell | 30.7 | TEX |
| +080+ | 1.59 | Pat Perry | 35.7 | CHN |
| +082+ | 1.53 | Jeff Montgomery | 37.7 | KCA |
| +086+ | 1.46 | Mike Schooler | 33.7 | SEA |
| +087+ | 1.45 | Jose Alvarez | 46.7 | ATL |
| +091+ | 1.43 | Gregg Olson | 39 | BAL |
| +094+ | 1.37 | Danny Darwin | 58.3 | HOU |
| +102+ | 1.31 | Rob Murphy | 40.3 | BOS |
| +101+ | 1.31 | Rich Gossage | 23 | SFN |
| +103+ | 1.29 | Bob McClure | 17.3 | ANA |
| +105+ | 1.27 | Rick Honeycutt | 34 | OAK |
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