| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Mets | NYN | 2.27 | 198906150_CHN_NYN |
| Cincinnati Reds | CIN | 2.1 | 198906150_CIN_SDN |
| Houston Astros | HOU | 1.7 | 198906150_HOU_LAN |
| St. Louis Cardinals | SLN | 1.53 | 198906150_WAS_SLN |
| San Francisco Giants | SFN | 1.04 | 198906150_ATL_SFN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -4.26 | 198906140_CLE_CHA |
| Pittsburgh Pirates | PIT | -3.39 | 198906140_PHI_PIT |
| Boston Red Sox | BOS | -2.26 | 198906140_DET_BOS |
| Philadelphia Phillies | PHI | -1.47 | 198906150_PHI_PIT |
| Minnesota Twins | MIN | -1.33 | 198906150_SEA_MIN |
Based on accumulated WAA for this season up to 1989-06-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +015+ | 3.01 | Larry Andersen | 40 | HOU |
| +025+ | 2.62 | Rick Aguilera | 41 | NYN |
| +035+ | 2.39 | Jay Howell | 39.3 | LAN |
| +038+ | 2.37 | Lee Guetterman | 44 | NYA |
| +041+ | 2.3 | Todd Burns | 48.7 | OAK |
| +044+ | 2.22 | Craig Lefferts | 46.3 | SFN |
| +050+ | 2.13 | Randy Myers | 37.7 | NYN |
| +051+ | 2.1 | Greg Minton | 39 | ANA |
| +052+ | 2.05 | John Franco | 34 | CIN |
| +061+ | 1.83 | Greg Harris | 36.3 | SDN |
| +066+ | 1.77 | Bill Landrum | 23.7 | PIT |
| +068+ | 1.75 | Rob Dibble | 45.3 | CIN |
| +075+ | 1.55 | Jeff Montgomery | 35.7 | KCA |
| +076+ | 1.55 | Frank DiPino | 33.7 | SLN |
| +077+ | 1.54 | Mike Schooler | 32.3 | SEA |
| +083+ | 1.5 | Jeff Russell | 29.7 | TEX |
| +086+ | 1.49 | Mike LaCoss | 42.7 | SFN |
| +089+ | 1.46 | Rich Gossage | 22.3 | SFN |
| +093+ | 1.41 | Pat Perry | 33.7 | CHN |
| +094+ | 1.37 | Mark Knudson | 52 | MIL |
| +098+ | 1.3 | Danny Darwin | 55.3 | HOU |
| +099+ | 1.28 | Gregg Olson | 37.3 | BAL |
| +101+ | 1.27 | Jose Alvarez | 44.7 | ATL |
| XXXXX | 1.2 | Jesse Orosco | 21 | CLE |
| XXXXX | 1.17 | Kenny Rogers | 30.7 | TEX |
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