| Team | Tm | Tier | Game |
|---|---|---|---|
| Montreal Expos | WAS | 4.1 | 198904210_WAS_SLN |
| Houston Astros | HOU | 2.71 | 198904210_HOU_CIN |
| Detroit Tigers | DET | 1.8 | 198904190_DET_MIN |
| New York Mets | NYN | 1.79 | 198904200_CHN_NYN |
| Cincinnati Reds | CIN | 1.58 | 198904190_CIN_LAN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -2.85 | 198904210_KCA_BOS |
| Pittsburgh Pirates | PIT | -2.23 | 198904200_PHI_PIT |
| Chicago Cubs | CHN | -1.79 | 198904210_CHN_NYN |
| Baltimore Orioles | BAL | -1.09 | 198904190_KCA_BAL |
| Minnesota Twins | MIN | -1.04 | 198904200_DET_MIN |
Based on accumulated WAA for this season up to 1989-04-21.
| Rank | WAA | Name | IP | Tm |
|---|
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