MADRID : Kylian Mbappe missed most of Real Madrid's team training session on Tuesday ahead of their Spanish derby clash at Atletico Madrid in the second leg of their Champions League last-16 tie due to muscle discomfort, club sources said. Mbappe stayed inside the club's facilities doing individual work and club officials said he joined the group during the final 30 minutes of training and his availability for Wednesday's derby was not in danger. Real Madrid will have a narrow advantage when