Former Manchester United goalkeeper Mark Bosnich thinks Sir Alex Ferguson needs defensive reinforcements in January.
The Australian believes that the Old Trafford side are losing their aura, after witnessing the Red Devil's struggle to dominate Benfica last night in the Champions league.
The former Aston Villa stopper thinks there are fundamental problems in the United rearguard, stating Ferguson's side are being exposed by lesser teams.
Speaking with Talksport, he said: "Teams aren't as afraid of going to Old Trafford as they have been in recent times and Benfica showed that.
"They are suffering from defensive lapses and they're going to have to eradicate them if they're going to go further.
"It doesn't look the same defensive outfit, and in the Champions League they've come unstuck against teams who aren't big European teams," he added.
"There's something not quite right at Man United and they need to sort themselves out."
Bosnich also criticised United's current UEFA Champions League campaign, saying that they will deserve to be knocked out if they are unable to overcome the standard of sides they have been joined with.
"You always look at them to come good after Christmas but if they don't get a result away to Basle they don't deserve to go any further [in the Champions League]," he commented.
"I wouldn't be surprised if Sir Alex goes into the market In January to strengthen the defence.
"It doesn't look the same defensive outfit, and in the Champions League they've come unstuck against teams who aren't big European teams.
"If they come up against a Barcelona or Real Madrid and defend like that they'll be picking the ball out of the net like they did against Man City."
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