Rennes are ready to sell the valuable asset Eduardo Camavinga before the end of the transfer window, 90 minutes have learned - with a number of top European clubs now struggling to secure his signature.Camavinga is considered one of the best young players in Europe, but it was thought that after long talks he would stay in France for another season.However, it has now emerged that the 18-year-old is available to move in this window, if Rennes receives an offer that they think is acceptable. Earlier, the club had valued…