Manchester United have rejected Owen Hargreaves' claims he was incorrectly given injections to cure long-standing knee problems during his time at Old Trafford.

In the aftermath of Wednesday's Carling Cup win for Manchester City against Birmingham, when Hargreaves marked his Blues debut with a goal, the 30-year-old outlined the unhappiness over sections of the treatment he received to combat a tendinitis injury he had after leaving Bayern Munich in 2007.

Now United have released a full statement, in which they dismiss Hargreaves' claims and state they remain "comfortable" with the treatment the midfielder received. "United does not acknowledge any validity in the comments Owen is alleged to have made," said the statement.

The statement continued: "Manchester United is disappointed with Owen's remarks after the game on Wednesday.

"The club gave him the best possible care for three years and is as disappointed as anyone he was not able to play a part in the team's success at that time.

"It has shared all the medical records with Manchester City and is comfortable with the actions taken by its medical staff at each step of his many attempts at rehabilitation.

"Manchester United has some of the best sports medical staff in world sport, who have made a significant contribution to United's on-pitch success in recent seasons."

United boss Sir Alex Ferguson was adamant any criticism of his back-room team was completely without foundation.

"Do you think we would be successful if they were not 100% brilliant? Our doctor and his five physios are fantastic - that is my opinion and that is more important than what anyone else has to say about it," said the Scot.

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