How The Last 8-teams Will File Out In The UEFA Champions League Quarter Finals

The quarter final fixtures for the 2013/2014 UEFA Champions League season have been drawn at the draws ceremony which was concluded in Nyon, Switzerland a while ago.

The Quarter Final fixtures are as follows:

Barcelona VS Atletico Madrid

Real Madrid VS Borussia Dortmund

Paris Saint-Germain VS Chelsea

Manchester United VS Bayern Munich

Which do you consider the toughest fixture?