| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Mets | NYN | 4.21 | 198905290_NYN_SFN |
| Cincinnati Reds | CIN | 2.46 | 198905270_CIN_CHN |
| Oakland Athletics | OAK | 1.79 | 198905270_OAK_NYA |
| Montreal Expos | WAS | 1.51 | 198905280_WAS_SDN |
| Houston Astros | HOU | 1.19 | 198905290_HOU_SLN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -8.1 | 198905270_CHA_TOR |
| Minnesota Twins | MIN | -1.32 | 198905290_MIN_KCA |
| Cleveland Indians | CLE | -1.26 | 198905280_BAL_CLE |
| Seattle Mariners | SEA | -1.23 | 198905290_SEA_NYA |
| Pittsburgh Pirates | PIT | -1.11 | 198905270_HOU_PIT |
Based on accumulated WAA for this season up to 1989-05-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +025+ | 2.08 | Larry Andersen | 28 | HOU |
| +033+ | 1.94 | Lee Guetterman | 34.3 | NYA |
| +035+ | 1.91 | Rick Aguilera | 30.3 | NYN |
| +036+ | 1.9 | Jay Howell | 28 | LAN |
| +038+ | 1.87 | Randy Myers | 27.3 | NYN |
| +039+ | 1.82 | Craig Lefferts | 37 | SFN |
| +045+ | 1.75 | Greg Minton | 30.7 | ANA |
| +063+ | 1.51 | Danny Darwin | 41.7 | HOU |
| +068+ | 1.35 | Pat Perry | 23.3 | CHN |
| +075+ | 1.28 | John Franco | 25.3 | CIN |
| +074+ | 1.28 | Greg Harris | 22.7 | SDN |
| XXXXX | 1.19 | Jose Alvarez | 32 | ATL |
| XXXXX | 1.15 | Randy Kramer | 26.3 | PIT |
| XXXXX | 1.11 | Cecilio Guante | 28 | TEX |
| XXXXX | 1.09 | Frank DiPino | 28.7 | SLN |
| XXXXX | 1.07 | Kenny Rogers | 25 | TEX |
| XXXXX | 1.06 | Tom Gordon | 40.3 | KCA |
| XXXXX | 1.05 | Jeff Montgomery | 27.7 | KCA |
| XXXXX | 1.04 | Mark Davis | 29.7 | SDN |
| XXXXX | 1.04 | Mike Schooler | 24 | SEA |
| XXXXX | 1.03 | Eric Plunk | 19.3 | OAK |
| XXXXX | 1.02 | Paul Assenmacher | 22.3 | ATL |
| XXXXX | 1.01 | Jeff Russell | 24.3 | TEX |
| XXXXX | 1.01 | Rich Gossage | 14.7 | SFN |
| XXXXX | 0.97 | Dennis Eckersley | 18.7 | OAK |
_