The three players have been linked with a move away from Naples this summer.

Hamsik is a reported target of AC Milan while Lavezzi and Cavani have attracted the attention of Premier League clubs.

Asensio's Screamer Vs FC Barcelona
Asensio's Screamer Vs FC Barcelona
In one of Real Madrid's most outstanding performances at the Camp Nou, Los Blancos beat FC Barcelona 3-1 in the Spanish Supercup. Real were leading 2-1 after Cristiano Ronaldo's 80th minute goal, but just before the final whistle, we sealed the win with this beautiful Marco Asensio strike.
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"From what I know, all three will stay at the club," said Mazzarri to Gazzetta dello Sport.

"They are all willing to start the season with the Napoli colours."

Napoli finished third in Serie A last term and will play in the Champions League next season.