| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Mets | NYN | 4.28 | 198905260_NYN_LAN |
| Cincinnati Reds | CIN | 2.46 | 198905270_CIN_CHN |
| Oakland Athletics | OAK | 1.79 | 198905270_OAK_NYA |
| Montreal Expos | WAS | 1.5 | 198905270_WAS_SDN |
| Detroit Tigers | DET | 1.03 | 198905250_CLE_DET |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -9.86 | 198905260_CHA_TOR |
| Boston Red Sox | BOS | -1.46 | 198905250_SEA_BOS |
| Pittsburgh Pirates | PIT | -1.31 | 198905260_HOU_PIT |
| Minnesota Twins | MIN | -1.11 | 198905260_TEX_MIN |
| Seattle Mariners | SEA | -0.92 | 198905270_SEA_MIL |
Based on accumulated WAA for this season up to 1989-05-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +027+ | 2.03 | Larry Andersen | 27.3 | HOU |
| +034+ | 1.81 | Todd Burns | 35.7 | OAK |
| +037+ | 1.76 | Jay Howell | 26 | LAN |
| +040+ | 1.73 | Rick Aguilera | 28 | NYN |
| +041+ | 1.72 | Lee Guetterman | 31.7 | NYA |
| +047+ | 1.67 | Greg Minton | 29.7 | ANA |
| +048+ | 1.66 | Randy Myers | 24.7 | NYN |
| +049+ | 1.66 | Craig Lefferts | 35 | SFN |
| +059+ | 1.52 | Danny Darwin | 41.7 | HOU |
| +065+ | 1.39 | Norm Charlton | 21.7 | CIN |
| +067+ | 1.36 | Pat Perry | 23.3 | CHN |
| +073+ | 1.29 | Greg Harris | 22.7 | SDN |
| +074+ | 1.28 | John Franco | 25.3 | CIN |
| +079+ | 1.25 | Jose Alvarez | 32 | ATL |
| XXXXX | 1.16 | Eric Plunk | 18.3 | OAK |
| XXXXX | 1.15 | Cecilio Guante | 26 | TEX |
| XXXXX | 1.15 | Randy Kramer | 26.3 | PIT |
| XXXXX | 1.07 | Frank DiPino | 27.7 | SLN |
| XXXXX | 1.02 | Mark Davis | 29.3 | SDN |
| XXXXX | 1.01 | Rich Gossage | 14.7 | SFN |
| XXXXX | 0.98 | Dennis Eckersley | 18.7 | OAK |
| XXXXX | 0.96 | Terry Leach | 16.3 | NYN |
| XXXXX | 0.96 | Kenny Rogers | 23.7 | TEX |
| XXXXX | 0.95 | Tom Gordon | 36.3 | KCA |
| XXXXX | 0.93 | Jeff Russell | 23.3 | TEX |
_