Chelsea have made a January bid for Sao Paulo midfielder Lucas.
Lucas' agent, Junior Pedroso, has revealed an offer from Chelsea was recently tabled for the Brazil international.
"There is an out clause of €80 million, we all know this," he told FCInterNews.it.
"Sao Paulo has not expressed interest to sell Lucas, but I can tell you that the club is talking about a realistic offer from Chelsea for €35 million."
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