Mexico suffers worst ever loss in major tournament.
Chile defeats Mexico to advance to the semifinals.
Eduardo Vargas' fourth goal makes it 6-0 for Chile.
Edson Puch caps off Chile's stunning win with a seventh goal
Watch Eduardo Vargas score his third goal against Mexico.
Watch Eduardo Vargas get his brace against Mexico.
Watch Alexis Sanchez score early in the second half.
Vargas scores just before the half to give Chile a 2-0 lead.
Edson Puch scores early on to give Chile the lead.
Copa Tonight previews Mexico's quarterfinal clash with Chile