12 Feb 1989 – 31 May 1989
| Atlético Nacional|
| Atlético Nacional (1st title)|
1990 Copa Libertadores, 1988 Copa Libertadores, 1995 Copa Libertadores, 1991 Copa Libertadores, 1980 Copa Libertadores
The Copa Libertadores 1989 was the 30th edition in the tournament history. 20 teams participated in the competition, divided by groups of four (two per country). The first three teams qualify for the next round. Nacional of Montevideo entered directly into the second round as the champions of Copa Libertadores 1988. The tournament started with the first game on February 12, 1989, and ending on May 31, 1989.
Twenty teams were divided into five groups of four teams each for the Group Stage. The top three teams of each group, as well as Nacional of Uruguay (who received a bye as winners of the Copa Libertadores 1988 of the tournament) qualified to the Round of 16.
First leg matches were played between April 5 and April 6. Second leg matches were played on April 12 and April 13.
First leg matches were played on April 19. Second leg matches were played on April 26.
First leg marches were played on May 10. Second leg matches were played on May 17
1989 Copa Libertadores Wikipedia