The UEFA Champions League round of 16 officially begins this week as several European heavyweights begin to make their case to reach the May 31 final in Munich and win the whole thing. This round's action is headlined by the latest edition of the Madrid Derby as well as another regional matchup between Bayern Munich and Bayer Leverkusen.

Real Madrid return to Champions League round of 16 action on Tuesday night with a mouthwatering match-up. They will rarely have had a harder fixture at this stage of the competition as they welcome city rivals Atlético de Madrid to the Estadio Santiago Bernabéu.

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