Rooney can be Man Utd key Ferguson

Also champions of their domestic league, Barcelona are now being considered as one of the greatest clubs sides of all-time, with Fifa world player of the year Lionel Messi in their ranks - alongside an influential band of Spain's 2010 world cup-winning team. But - with both clubs aiming for their fourth triumph in Europe's top club competition - Ferguson is undaunted. "There could be a lot of excitement, there'll be a lot of good football," he said. "We recognise the quality of our opponents: it's unwise to go into a game not preparing for how your opponents play, their strengths and weaknesses. "But we always focus on what we can do ourselves. And we hope to attack - we have players who can do that." in the 2009 Champions League final in Rome