A few days ago, we learned that Barcelona's coaching staff is threatening to move Jérémy Mathieu out of Camp Nou if the French center-back doesn't improve in the upcoming months. And it appears that the Blaugrana are already lining up some potential replacements. Key word here, "potential". In all senses.
Sources told Barça Blaugranes that the Catalan giants are keen on signing a center-back for January, especially if they don't see any evolution with Mathieu. They want a quality backup to Gerard Piqué and Javier Mascherano to put alongside Marc Bartra and Thomas Vermaelen in order to maintain the squad's depth.