Ralf Rangnick's arrival at Manchester United is just waiting for official confirmation, and there has been plenty of praise for the incoming interim manager.

Jurgen Klopp described the appointment as "not good news for other teams," having sung his compatriot's praises earlier in his career, while Thomas Tuchel - whose Chelsea side face the Red Devils this weekend - has described the 63-year-old as a "pioneer".

The former RB Leipzig and Schalke manager will wait for his first game in charge, but all eyes will be on him when that moment arrives.

And, while most of the discussion of Rangnick's qualities point to the positives he can bring, former Manchester United forward Dimitar Berbatov is refusing to get carried away over the appointment.

Rangnick is expected to take charge of his first Man Utd game in December (

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DPA/PA Images)

Rangnick earned a reputation as a top coach in Germany with the likes of Hoffenheim, Schalke and RB Leipzig, and Berbatov recalls playing against some of his teams while at Bayer Leverkusen.

The Bulgarian striker spent five years on the books of the Bundesliga club, playing for them in the 2002 Champions League final and also featuring in a win over Schalke during Rangnick's first spell there.

However, the 40-year-old questioned the manager's big-club pedigree ahead of the appointment.

‘He’s highly respected in the football world, however with all due respect, he has managed teams like Schalke, Stuttgart and Leipzig, but he has never managed really big teams,’ Berbatov told Betfair.

‘United is one of the biggest clubs in the world, so this is going to be something new to him. It’s going to be interesting to see how he will cope with that situation.’

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Rangnick is expected to move into a consultancy role after the end of the season, with Mauricio Pochettino among the managers being mentioned as a potential longer-term successor to Ole Gunnar Solskjaer.

And despite his concerns about the interim manager's suitability for the role, he suggested Rangnick couldn't be ruled out for a permanent spell in charge himself.

'It would be no surprise, if he makes a success of the next few months, to see him get offered the permanent position and, if not, he will work well as an advisor,' Berbatov said.

Berbatov played against Rangnick teams in the Bundesliga (

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Bongarts/Getty Images)

Rangnick's first Manchester United game is expected to come in December, with Michael Carrick due to take charge of the Premier League match against Chelsea on Sunday after overseeing a midweek victory over Villarreal.

United have seven Premier League games on their schedule in December, as well as a Champions League match at home to Young Boys in the middle of the month.

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