Real Madrid face early UCL challenge in Champions League group stage opener against Union Berlin

Real Madrid coach Carlo Ancelotti considers Manchester City as favorites to win the Champions League this season.
Madrid, who have won the competition 14 times, start their campaign against Union Berlin.
Madrid's target is to progress through the group stage and reach the quarterfinals.
Madrid coach Ancelotti is confident that his team will compete but doesn't see them as favorites.
Right-back Dani Carvajal will miss the game due to a muscle strain.