Sir Alex Ferguson concerned about options at centre-back

Captain Nemanja Vidic has returned from a long-term knee problem but Manchester United are currently missing Phil Jones, Chris Smalling and Jonny Evans in defence to injury
Manchester United manager Sir Alex Ferguson is concerned about the amount of options he has available at centre-back ahead of the club's opening game of the Premier League season against Everton.

Rio Ferdinand is fit and Nemanja Vidic has returned during pre-season from a long-term knee injury sustained in December, but elsewhere the Red Devils have been plagued by problems.

Jonny Evans is recovering from an ankle operation he underwent in the summer, Chris Smalling will miss a further three months and Phil Jones picked up a back injury while the club was on tour in Norway.

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These issues resulted in the manager repeating his experiment of utilising Michael Carrick in the centre of defence during the friendly against Barcelona and he was pleased with how the central midfielder performed.

"Evans is recovering from an operation; Smalling is out for three months," Sir Alex told the club's official website. "Jones got a muscle injury in his back and was sent home from Norway.

"So the area we're concerned about is centre-back. Evans won't be ready for the start of the season. He won't be far away but he won't be ready.

"Smalling is out and I can't give you an update with Jones because we've not fully diagnosed that. But Michael Carrick was absolutely brilliant [in Sweden] with his passing the ball and his interceptions. He was fantastic."