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Rio Ferdinand has said the one regret of his Manchester United career was not urging Sir Alex Ferguson to play his strongest team in the 2009 FA Cup semifinal.
In a Letter to My Younger Self, written for the Players' Tribune website, Ferdinand said that had cost him the chance to win the trophy.
Ferdinand won six Premier League titles, three League Cups and the Champions League during 12 years at Old Trafford, but never lifted the FA Cup.