The Australian national team captain was seen shouting abuse at a small section of the fans at Allianz Stadium during the Socceroos' 1-0 win over Costa Rica after they had jeered him throughout.
"Lucas for sure feels the pressure of the moment because he's captain," said the former Juve skipper.
"The Socceroos changed coach a few weeks ago and they have to prepare in a short period for the World Cup with a new coach. It's not an easy moment and I think that's why something like that happened.
"I think Lucas is OK now and so are the fans. Maybe they should go share a beer together."
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