Get the latest United updates, transfer news and analysis delivered straight to your inbox every day for free Sir Alex Ferguson believes Manchester United would have won the Champions League in 2011 if he'd instructed Park Ji-Sung to man-mark Lionel Messi.
United lost the game at Wembley 3-1 to a Messi-inspired Barca, who beat them for the second time in three years, having won 2-0 over Ferguson's side in Rome, 2009.
But Ferguson believes Park, who often performed specific tactical roles in big games for United, could have shackled Messi that night.
Wayne Rooney levelled for United to make it 1-1 at half time, before Messi and David Villa secured the win for Pep Guardiola's superb Barcelona team. "That's where I lost the final against
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