Ji-sung dents United’s title chances as hamstring injury sidelines midfielder for four weeks

Manchester United midfielder Park Ji-sung has been ruled out for four weeks after suffering a hamstring injury on Friday.

The South Korea international, only recently back from a month-long stint at the Asian Cup in Qatar, damaged the muscle in training.

United manager Sir Alex Ferguson said: 'We got a blow on Saturday morning with the news that Park Ji-sung did his hamstring on Friday afternoon in training.