Barcelona are being urged to ‘take’ the money and run if Premier League giants Manchester United return with a big bid for Frenkie de Jong this summer. Just last week, Blaugrana director Deco expressed serious reservations about the potential sales of Ronald Araujo and Frenkie de Jong, both of whom have been linked with Manchester United with varying degrees of seriousness over the last few windows. Deco even admitted that, if offered the chance to bring in one Kylian Mbappe with the proceeds made via the sale of two key players, he would still opt to retain the services of the Uruguayan centr…