Napoli owner Aurelio Di Laurentiis has conceded the club will listen to bids for Ezequiel Lavezzi, Edinson Cavani and Marek Hamsik.
The trio have assisting in propelling Napoli into the Champions League knock-out phase, where they face Chelsea in the last 16.
Having already knocked out Manchester City in the group phase, Napoli are tipped to run Andre Villas-Boas' side close, with the aforementioned trio key to their chances of progressing.
"If they have the money to pay, I am waiting for the offers," Di Laurentiis said on a potential move for the trio.
"There is never a real price. The price is what the clubs need and what is the hot moment of negotiation. They are all fantastic players. We have a lot of fantastic players. I don't expect anything. Thanks to God, I don't need the money from anyone. I am rich enough to survive.
"But if somebody wants to make an offer, we are here to listen. You never close the door to anyone because we are polite. If someone wants to make an offer, they can make an offer. We can laugh off their offer if we are not satisfied or we can say, 'Let's sit down and discuss this'.
"In life, there is always a price for everything. It is just a question of the right moment and the right people."
The Blues will need to be wary of their threat in the first-leg at the Stadio San Paolo, to prevent the tie getting away from them before the return leg at Stamford Bridge in a fortnight.
Manchester United are another club who have been mentioned in dispatches with possessing an interest, particularly in Hamsik, but the financial power of their Premier League rivals means they're unlikely to provide a genuine threat.
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