Barcelona have stemmed the tide of pressure building against Ronald Koeman in the dugout with back-to-back wins since the international break. The Catalan club defeated Valencia in LaLiga last week before overcoming Dynamo Kiev in the Champions League. However, they now face the ultimate test in the first Clasico of the season. Their two wins over the past week will count for very little if they suffer a significant setback against Los Blancos today.