Manchester United manager Sir Alex Ferguson has admitted that he is unlikely to add to his squad in January.

United's Champions League group stage exit on Wednesday night raised questions over the capabilities of the current collection of players at Old Trafford.

However, the Scot has said that the club won't buy for the sake of it.

"It is very difficult to buy players in January," he said. "You don't just want to buy any player simply because it gives you another one. You want to buy someone who can make a difference.

"I am not quite sure if you went for a player if he could play in the Europa League. There is criteria there in the sense of playing in the Champions League and whether they could play in the Europa League.

"There are a lot of issues there but there is nothing in my mind at the moment."

The Red Devils host Wolverhampton Wanderers in the Premier League on Saturday.