Dimitar Berbatov identifies Andre Onana's biggest problem at Manchester United

Dimitar Berbatov believes that Andre Onana's over-confidence is causing him problems in the early weeks of his Manchester United career.

Onana endured a dismal night on Tuesday as United were beaten 3-2 at home to Galatasaray, their second consecutive Champions League defeat. The 27-year-old was at fault for Casemiro's red card after playing a loose ball straight to Dries Mertens, while he also went down far too early as Mauro Icardi dinked the ball over him for the winning goal.

It's been a tough start at United for Onana, who arrived in a £47.2million deal in the summer. The Cameroon international has shown moments of brilliance in keeping the ball out of the net and then using it effectively, but rash moments have also been regular and Tuesday's defeat was his worst night yet.

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"The goalkeeper position is a difficult, strange, and sensitive one. Goalkeepers are a different breed in a way," Berbatov told Betfair. "Onana is going to be the no.1, for sure. But his confidence is causing him to make mistakes. You can see that from his body language against Galatasaray.

"Sometimes, he forgets that he's playing smart players. Other players will be studying how Onana plays, and they will bait him into playing certain passes. That's exactly what happened against Galatasaray. He needs to maintain his confidence but tone it down a bit and think more about who you're playing and how they're playing.

"I've watched Onana play before, and he's always been the same and I like that. Nowadays, you must play out from the back so it's good to have Onana because he's good with the