| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 3.99 | 198906160_HOU_SDN |
| New York Mets | NYN | 2.49 | 198906160_NYN_PHI |
| Cincinnati Reds | CIN | 2.1 | 198906150_CIN_SDN |
| St. Louis Cardinals | SLN | 1.8 | 198906170_PIT_SLN |
| Oakland Athletics | OAK | 1.32 | 198906161_OAK_BAL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -3.89 | 198906160_BOS_CHA |
| Pittsburgh Pirates | PIT | -2.95 | 198906150_PHI_PIT |
| Boston Red Sox | BOS | -2.18 | 198906160_BOS_CHA |
| Minnesota Twins | MIN | -2.1 | 198906160_MIL_MIN |
| Philadelphia Phillies | PHI | -1.7 | 198906160_NYN_PHI |
Based on accumulated WAA for this season up to 1989-06-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +015+ | 2.91 | Larry Andersen | 41.3 | HOU |
| +028+ | 2.62 | Rick Aguilera | 41 | NYN |
| +030+ | 2.59 | Lee Guetterman | 46 | NYA |
| +038+ | 2.39 | Jay Howell | 39.3 | LAN |
| +041+ | 2.35 | Randy Myers | 40.3 | NYN |
| +048+ | 2.19 | Todd Burns | 49.7 | OAK |
| +054+ | 2.14 | John Franco | 35 | CIN |
| +055+ | 2.1 | Greg Minton | 39 | ANA |
| +057+ | 2 | Greg Harris | 38.3 | SDN |
| +066+ | 1.83 | Craig Lefferts | 46.7 | SFN |
| +068+ | 1.77 | Bill Landrum | 23.7 | PIT |
| +069+ | 1.76 | Rob Dibble | 45.3 | CIN |
| +076+ | 1.6 | Frank DiPino | 34.3 | SLN |
| +077+ | 1.58 | Pat Perry | 35.7 | CHN |
| +078+ | 1.55 | Jeff Montgomery | 35.7 | KCA |
| +080+ | 1.51 | Jeff Russell | 29.7 | TEX |
| +082+ | 1.49 | Mike LaCoss | 42.7 | SFN |
| +089+ | 1.42 | Gregg Olson | 39 | BAL |
| +093+ | 1.37 | Mike Schooler | 32.7 | SEA |
| +098+ | 1.3 | Rich Gossage | 23 | SFN |
| +099+ | 1.29 | Rob Murphy | 40.3 | BOS |
| +100+ | 1.28 | Bob McClure | 17.3 | ANA |
| +102+ | 1.27 | Jose Alvarez | 44.7 | ATL |
| +104+ | 1.26 | Rick Honeycutt | 34 | OAK |
| XXXXX | 1.2 | Jesse Orosco | 21 | CLE |
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