Copa Libertadores 2009 preliminary round
The First Stage of the 2009 Copa Santander Libertadores ran from January 27 to February 5.
Twelve teams qualified into this rounds and each will play a two-legged tie, one at home and one away. The winner of each tie will advance to the Second Stage. The teams will earn 3 points for a win, 1 point for a draw, and 0 for a loss. The team with the most points advances. The following criteria will be used for breaking ties on points:
Team #1 played the first leg at home.
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