Tonight, two perennial juggernauts of European football, Bayern Munich and Real Madrid, square off against one another in what promises to be an exhilarating match for a possible berth in the finals of this season's Champions League. Both teams host a world-class roster and have shelled out impressive performances over the entirety of the season. Between them, they also represent two of the most successful teams in Champions League history. Obviously, a lot is on the line.