Park Ji-sung could be out for a month as Manchester United midfielder tweaks hamstring in training

Injury doubt: ParkManchester United  face losing Park Ji-sung for up to four weeks after he tweaked a hamstring in training yesterday. The 29-year-old South Korean has only just returned following his involvement in the Asia Cup. Park, who picked up his 100th cap against Japan, has since retired from international football to concentrate on his United career.Defender Jonny Evans has had a scan on an ankle injury and could be out for a month also.  Dalglish insists Reina won't join United and will stay at Anfield for a 'long time'Big test for Smalling as Ferdinand and Evans are ruled out of crunch derbyAll the latest Manchester United news, features and opinion  Explore more:People: Park Ji-sung Places: Japan

Source: Daily_Mail