Nocerino has struggled for minutes at Milan this season.
"It's normal that Antonio would love to play in a Napoli shirt," agent Marco Sommella told Radio Kiss Kiss.
"Six years ago De Laurentiis tried to sign him from Juventus, but they resisted.
"Then when he was at Palermo, [former boss Walter] Mazzarri tried again, but the better offer was from Milan at the time.
"It's certainly not been a positive time from Antonio, but he has broad shoulders and wants to keep on fighting."
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