Juventus' general manager Beppe Marotta admits the club face a fight to keep Paul Pogba, but says if the France international is to leave this summer the price tag would be "huge."
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The 21-year-old could become one of the hottest commodities on the transfer market this summer with Paris Saint-Germain leading the race to lure him back to France.
His contract still has two years left to run and the Bianconeri are keen on negotiating an extension, although talks will not commence until after they reach their objectives for the season, with the club top of Serie A and in the semifinals of the Europa League.
The midfielder is expected to play a part for France at this summer's World Cup after guiding the under-20s to victory in their version of the tournament last year.
If Pogba does well in Brazil, and then fails to agree on improved terms in Turin, Marotta has an acceptable transfer value in mind.
"Given his age and the quality he's got, it's only obvious that a lot of clubs find him appetising," he told Mediaset. "It would be worse if people were saying bad things about him.
“If we were to compare him to other players who were transferred during the last transfer market, then he's worth a huge amount, if you consider what was spent on inferior players."
That would suggest a multi-million euro asking fee for a player Juve signed on a free transfer from Manchester United just two summers ago.
Pogba, however, is not letting the speculation surrounding his future get to him, and remains intent on leading the charge for two trophies next month.
"I want to win the Europa League," he said after Thursday night's 2-1 defeat to Benfica in the first leg of their semifinal tie.
"We're going to need a great second leg to do that now. We played a good game, but the result does not reward us for it. Let's see how things go in our own place next week. Benfica are very strong, but we're dangerous."
Marotta believes victory in the Europa League could be a springboard to success in the Champions League next season, just like Chelsea and Atletico Madrid -- the last two winners of Europe's second club competition -- are showing this term.
"If you do well in the Europa League, it sets you up well for the Champions League," Marotta said. "Just look at Atletico and Chelsea. We're growing and we want to return to being competitive -- to do justice to Juve.
"Real [Madrid] and Bayern [Munich] have shown how high the level is, but we believe we can make it and we're setting ourselves up for an honourable Champions League campaign next year."