| Team | Tm | Tier | Game |
|---|---|---|---|
| Montreal Expos | WAS | 3.92 | 198904200_WAS_SLN |
| Houston Astros | HOU | 2.64 | 198904200_HOU_ATL |
| Cincinnati Reds | CIN | 2.34 | 198904180_CIN_LAN |
| Detroit Tigers | DET | 2.12 | 198904180_DET_MIN |
| New York Mets | NYN | 1.79 | 198904200_CHN_NYN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -2.5 | 198904200_BOS_CLE |
| Pittsburgh Pirates | PIT | -2.37 | 198904180_PIT_SLN |
| Chicago Cubs | CHN | -1.66 | 198904190_CHN_WAS |
| Toronto Blue Jays | TOR | -1.25 | 198904180_NYA_TOR |
| Baltimore Orioles | BAL | -1.09 | 198904190_KCA_BAL |
Based on accumulated WAA for this season up to 1989-04-20.
| Rank | WAA | Name | IP | Tm |
|---|
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