Dries Mertens has put Liverpool on alert by talking up a future move to the Premier League.
Napoli are keen to tie the highly-rated Belgian down to a new contract, despite him still having three years left on his current deal.
Mertens is open to renewing terms with the Italian club but admits he has ambitions to play in England.
The 28-year-old has been linked with a move to Liverpool in recent seasons and he told Belgian newspaper Het Laatste Nieuws: "The Premier League would be a good challenge.
"I have a contract until 2018, but maybe other options will appear then.
"Last week we talked about the renewal, it's nice to know that the club is counting on you."
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