Manchester United midfielder Owen Hargreaves has been ruled out for four weeks.

United boss Sir Alex Ferguson said: "Owen has had an injection in his knee and he'll be out for three to four weeks.

"This is an option we had from the very start, and if it resurfaced again we (decided we) would do that.

"So he's had an injection to try to clear the tendonitis in his knee."

Ferguson did, however, confirm that no operation would be necessary.