R.van Nistelrooy injured © EuroFootball.com

"Star Ruud van Nistelrooy may not play in tonight's FA Cup semi-final match against . The Dutch striker suffered a knee injury and it is unclear whether he will be able to play today. This is a big headache for the Manchester team's coach, as he will be missing options in the attack - Louis Saha cannot play in the cup, while Diego Forlan only returned today from Uruguay, where he played for his national team, so he might be tired.

Furthermore, due to playing more than the agreed 45 minutes in a friendly match between England and Sweden, Phil Neville and Nicky Butt will not be able to play. This is Sir Alex Ferguson's punishment.

Meanwhile, Arsenal will have Robert Pires and Patrick Vieira back in the lineup after injuries. However, it is still unclear whether coach Arsene Wenger will let his leader onto the field. He may be given a rest, as Arsenal faces a very busy schedule in the next ten days - Champions League return leg match against , and two Premier League games where they will play against and ."