Copa Libertadores: Gremio Blanks Libertad In Round-of-16 Series Opener

At Porto Alegre, Brazil:

Diego Tardelli (71') and David Braz (84') each scored once on Thursday as Gremio blanked visiting Club Libertad 2-0 in the opening game of a two-match series as the opening knockout round of the Copa Libertadores reached its' midway point.