| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Mets | NYN | 4.28 | 198905260_NYN_LAN |
| Cincinnati Reds | CIN | 2.26 | 198905240_SLN_CIN |
| Oakland Athletics | OAK | 1.51 | 198905240_OAK_MIL |
| Detroit Tigers | DET | 1.03 | 198905250_CLE_DET |
| San Francisco Giants | SFN | 0.96 | 198905260_PHI_SFN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -9.86 | 198905260_CHA_TOR |
| Boston Red Sox | BOS | -1.55 | 198905240_SEA_BOS |
| Pittsburgh Pirates | PIT | -1.44 | 198905240_PIT_ATL |
| Minnesota Twins | MIN | -1.32 | 198905240_MIN_TOR |
| Baltimore Orioles | BAL | -1.09 | 198905240_BAL_CHA |
Based on accumulated WAA for this season up to 1989-05-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +030+ | 1.89 | Larry Andersen | 25.3 | HOU |
| +034+ | 1.83 | Todd Burns | 35.7 | OAK |
| +039+ | 1.74 | Rick Aguilera | 28 | NYN |
| +041+ | 1.74 | Lee Guetterman | 31.7 | NYA |
| +038+ | 1.74 | Jay Howell | 25.7 | LAN |
| +043+ | 1.72 | Danny Darwin | 41 | HOU |
| +046+ | 1.69 | Greg Minton | 29.7 | ANA |
| +051+ | 1.61 | Randy Myers | 24 | NYN |
| +057+ | 1.48 | Craig Lefferts | 32.7 | SFN |
| +061+ | 1.4 | Norm Charlton | 21.7 | CIN |
| +065+ | 1.37 | Pat Perry | 23.3 | CHN |
| +072+ | 1.3 | Greg Harris | 22.7 | SDN |
| +075+ | 1.29 | John Franco | 25.3 | CIN |
| XXXXX | 1.18 | Jose Alvarez | 31 | ATL |
| XXXXX | 1.17 | Eric Plunk | 18.3 | OAK |
| XXXXX | 1.17 | Cecilio Guante | 26 | TEX |
| XXXXX | 1.03 | Mark Davis | 29.3 | SDN |
| XXXXX | 1.03 | Frank DiPino | 27 | SLN |
| XXXXX | 1.02 | Rich Gossage | 14.7 | SFN |
| XXXXX | 1.01 | Randy Kramer | 24.3 | PIT |
| XXXXX | 0.97 | Kenny Rogers | 23.7 | TEX |
| XXXXX | 0.97 | Tom Gordon | 36.3 | KCA |
| XXXXX | 0.96 | Dennis Eckersley | 18.3 | OAK |
| XXXXX | 0.94 | Jeff Russell | 23.3 | TEX |
| XXXXX | 0.89 | Mark Grant | 27.7 | SDN |
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