The Uruguay international is one of the most coveted players in the world at the moment and Juventus are particularly keen on taking the striker to Turin, while City recently stepped up their interest in the 25-year-old.
Consequently, Cavani is said to be seeking a pay rise in order to stay at Napoli, but De Laurentiis insisted that he has no intention of being bullied into paying his star man a king's ransom.
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De Laurentiis also insisted that Marek Hamsik is going nowhere, and lashed out at the attacker's agent, Mino Raiola, for allegedly trying to unsettle his client.
"For years, he has been trying to take Hamsik away, but the Slovak is like iron and will not move from here," the film producer declared.
De Laurentiis is desperate to hold onto his two remaining 'tenors' following Ezequiel Lavezzi's move to Paris Saint-Germain.