| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 3.53 | 198906180_HOU_SDN |
| New York Mets | NYN | 2.55 | 198906190_WAS_NYN |
| St. Louis Cardinals | SLN | 1.91 | 198906180_PIT_SLN |
| Cincinnati Reds | CIN | 1.78 | 198906180_CIN_SFN |
| Oakland Athletics | OAK | 1.46 | 198906200_DET_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -3.08 | 198906180_BOS_CHA |
| Philadelphia Phillies | PHI | -2.7 | 198906201_SLN_PHI |
| Minnesota Twins | MIN | -2.4 | 198906200_MIN_CLE |
| Pittsburgh Pirates | PIT | -2.39 | 198906180_PIT_SLN |
| Boston Red Sox | BOS | -1.78 | 198906190_BOS_CHA |
Based on accumulated WAA for this season up to 1989-06-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +018+ | 3.01 | Larry Andersen | 42 | HOU |
| +032+ | 2.61 | Lee Guetterman | 46 | NYA |
| +034+ | 2.57 | Todd Burns | 53.7 | OAK |
| +035+ | 2.56 | Jay Howell | 41 | LAN |
| +037+ | 2.51 | Rick Aguilera | 44.3 | NYN |
| +047+ | 2.26 | Greg Minton | 40.7 | ANA |
| +050+ | 2.2 | Bill Landrum | 28.7 | PIT |
| +052+ | 2.16 | John Franco | 35 | CIN |
| +051+ | 2.16 | Craig Lefferts | 50.3 | SFN |
| +061+ | 2.02 | Greg Harris | 38.3 | SDN |
| +067+ | 1.87 | Rob Dibble | 46.3 | CIN |
| +068+ | 1.87 | Randy Myers | 41.7 | NYN |
| +074+ | 1.76 | Frank DiPino | 36 | SLN |
| +077+ | 1.68 | Mike LaCoss | 44.7 | SFN |
| +081+ | 1.61 | Gregg Olson | 41 | BAL |
| +082+ | 1.59 | Pat Perry | 35.7 | CHN |
| +083+ | 1.53 | Jeff Montgomery | 37.7 | KCA |
| +086+ | 1.47 | Mike Schooler | 33.7 | SEA |
| +087+ | 1.46 | Jose Alvarez | 46.7 | ATL |
| +091+ | 1.4 | Danny Darwin | 58.3 | HOU |
| +095+ | 1.35 | Dan Schatzeder | 32 | HOU |
| +096+ | 1.34 | Frank Williams | 53.3 | DET |
| +100+ | 1.32 | Rich Gossage | 23 | SFN |
| +101+ | 1.32 | Rob Murphy | 40.3 | BOS |
| +099+ | 1.32 | Jesse Orosco | 22.3 | CLE |
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