Monaco sporting director ​Antonio Cordon has said that teenage sensation Kylian Mbappe has a release clause in his contract that will cost a lot of money to trigger. 

The French striker, who is still only 18, has been incredibly consistent for the French outfit, as they have reached the top of the Ligue 1 and reached the semi-finals of the Champions League.

Mbappe has been linked to some of the biggest clubs in the world, with Real Madrid, Manchester United, Manchester City and Paris Saint-Germain all reported to be interested in the youngster. 

The fee that has been suggested for the Monaco man is in the region of €100 million. The Principality outfit signed him to a professional contract just over a year ago but now face the prospect of having to sell him. 

Speaking to Cadena Cope, as per ​ESPNFC, Cordon said, "Yes, he has one -- but it's a lot, a lot of money. I didn't do Mbappe's contract and I can't tell you the details of the clause, but it's a lot of money." 

He added, "I hope he'll stay because we have to keep our best players, but we all know the market and how things happen. I don't know how many offers there are for him." 

Prince Albert of Monaco, told RMC he hoped Mbappe would stay another season, saying, "I know it'll be difficult, but I think he's already talked about this. I think it's wiser, at least for another season, to stay with Monaco and for him to be a little more protected than at a big club."