The agent of Alberto Gilardino insists the striker is staying with Fiorentina.
Napoli are preparing a 21m bid for Gilardino, although his agent denies receiving any offers.
Marcello Bonetto told TMW: "Let the rumours regarding Napoli and Lyon go. There is nothing concrete.
"Alberto must think about doing well during the World Cup.
"For me, he'll play for Fiorentina next year."