The club have already replaced the Italian coach and are waiting to negotiate with the Premier League side, who have made him their top candidate
Napoli president Aurelio De Laurentiis has warned Chelsea he will not allow the Italian club to be "pillaged" as the uncertainty surrounding Maurizio Sarri's future rumbles on.
Sarri still has two years left on his contract with Napoli despite being replaced as head coach by Carlo Ancelotti in May.
Amid uncertainty over Antonio Conte's position, Chelsea have been strongly linked with a move for Sarri, but the £7 million ($9.