A controversial Wayne Rooney penalty helped Manchester United on their way to a comfortable 2-0 victory over 10-man QPR at Old Trafford, to extend the club's run to eight consecutive wins in the Premier League.

With less than 15 minutes on the clock, the visitors had Shaun Derry sent off after being adjudged to have committed a foul on Ashley Young, who received the ball in an offside position on the edge of the box.

Rooney converted from 12-yards, and Sir Alex Ferguson's side never looked back, as they successfully widened the gap between themselves and nearest rivals Manchester City at the top of the table to eight points.

Roberto Mancini's men travel to north London to play Arsenal at the Emirates Stadium later this afternoon, and will need a response in order to keep pace with the reigning champions who took a significant step closer to title number 20.

The hosts created a series of second-half chances as they looked to make their numerical advantage count, before United veteran Paul Scholes fired a trademark 25-yard strike to double the Red Devils' lead.

Michael Carrick was denied by a post and Danny Welbeck also had an effort chalked off for offside, but the manner of the victory spoke volumes about the club's credentials this season.

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