It is perhaps poetic that the Champions League Final takes place at Wembley for the first time since 1992. The two teams competing for the championship are returning to the scene of their inaugural victory in the competition.
In 1968 and 1992, respectively, Manchester United and Barcelona won their first European Cups at the home of English football. This fact is just one of many things linking these two finalists.
More pertinent is the fact that they contested the trophy two years ago in Rome. On that night the Catalans dispatching the Red Devils with relative comfort in a 2-0 win.
Now they meet again in club football's grandest occasion. Barcelona is seeking to validate their place as one of the elite teams in the sport's history while United is looking to herald the beginning of a new dynasty.
As Josep Guardiola and Sir Alex Ferguson prepare their sides, just what are the key questions surrounding these great managers and their teams ahead of their meeting?