The 24-year-old may not have the high profile of the likes of team-mates Cristiano Ronaldo, Wayne Rooney and Carlos Tevez but his Manchester United manager has held him up as "a true professional".
"Darren has shown he is a true professional," said Ferguson. "When you give people good contracts you hope they will become like that. He is a terrific example of a professional to any young player."
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