Real Madrid is preparing to play its first official match in the new season against Italian club Atalanta next Wednesday in the European Super Cup match.According to Marca newspaper, Atough blow for Joan Martínez , who was seriously injured during this afternoon’s training session with the first team. The centre-back, who has not yet been officially confirmed, has a torn cruciate ligament in one of his knees.Joan, aged 16, had been the great sensation of the tour and was playing in the first team under the orders of Ancelotti , who was determined to back him. To the point that he was going to be included in the squad for the European Super Cup next Wednesday