Copa America: Quarter-final preview June 16 United States v Ecuador CenturyLink Field, Seattle, WA FIFA rank 31 13 2015 finish Did not play Group stage HEAD-TO-HEAD 3 wins 5 draws 5 wins PLAYERS TO WATCH Clint Dempsey Enner Valencia June 17 Peru v Colombia MetLife Stadium, East Rutherford, NJ FIFA rank 48 3 2015 Semi-final Quarter-final HEAD-TO-HEAD 15 wins 20 draws 17 wins PLAYERS TO WATCH Paolo Guerrero James Rodríguez Argentina v Venezuela Gillette Stadium, Foxborough, MA FIFA rank 1 77 2015 Final Group stage HEAD-TO-HEAD 19 wins W1 PLAYERS TO WATCH Lionel Messi Salomón Rondón June 18 Mexico v Chile Levi’s Stadium, Santa Clara, CA FIFA rank 16 5 2015 Group stage Winner HEAD-TO-HEAD 14 wins D4 10 wins PLAYERS TO WATCH Javier Hernández Alexis Sánchez Source: Copa America 2016 Pictures: Getty Images