Lionel Messi and the entire Argentina team boycotted media members by walking out of a press conference following the team's 3-0 victory over Colombia on Tuesday night, according to BBC Sport.
The boycott was in response to a radio report that alleged Ezequiel Lavezzi had smoked marijuana, a claim the forward denied.
"We've received many accusations, a lot of lack of respect and we never said anything," Messi said. "We know there are lots of you who are not in the game of not showing us respect, but getting into one's personal life is very grave.