For the 16 teams left standing in the Champions League, their path to the final in Munich is clear. Or, it's at least as clear as it can be in a competition that rarely lacks for upsets and drama in its closing stages.

Real Madrid and Atletico Madrid will renew their rivalry Tuesday as the Champions League returns to familiar territory after a new league phase and playoff stage.

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