The 22-year-old England international set United on the way with a 20th-minute opener - his first league goal since October - before providing the cross for Louis Saha to score the second.
He said: "I have said before that strikers do go on little runs like that. It is his first goal for six games, but his goals have come in waves. When he got his injury (in the opening game against Reading), he was out for a month and since then, he has been gradually getting towards what we have seen of him here."
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