The Uruguay striker, 24, only signed permanently for the Naples side last month after they bought out Palermo's 50 per cent stake in him.
Cavani - who has signed a five-year deal with Napoli - was in prolific form in Serie A last season, notching 26 league goals as Napoli finished third.
Prolific: Edinson Cavani scored 26 league goals last season
The Red Devils have been linked with his signature but Cavani's agent Claudio Anelucci told Radio Sportiva: 'This is the time of year when it is normal to hear talk of transfers to big clubs for astronomical fees.
'The majority of the time there is nothing to them, as is the case with regards to a possible move to Manchester United for Edinson.'
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