London, Nov.27 Manchester United have wrapped up a deal to sign 17-year-old Welsh wonder Adam Matthews.

Alex Ferguson's champions have nipped in ahead of Arsenal to take the Cardiff defender to Old Trafford.

Matthews, who has made 12 Championship starts for the Bluebirds, will complete his move when the transfer window opens in January, reports The Sun.

United will stump up five million pounds with further payments to follow as the Swansea-born player progresses through their ranks. (ANI)