Roy Keane feels like Ralf Rangnick could encounter problems with Cristiano Ronaldo, Bruno Fernandes and Paul Pogba when implementing his philosophy at Manchester United.

The German will succeed Ole Gunnar Solskjaer on an interim basis until the end of the season after the Norwegian was sacked following a run of just one win in seven.

Watford's 4-1 win proved to be the final blow, as a result, Michael Carrick took over as caretaker manager leading United to the knockout stages of the Champions League with Tuesday's win over Villarreal.

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It will be his first managerial position since he departed RB Leipzig in 2019 after he steered them to the German Cup final before Julian Nagelsmann arrived at the end of the season.

After spells with Schalke and Stuttgart, he enjoyed success with TSG Hoffenheim and RB Leipzig.

During his time at the respective clubs, he helped steer them through the divisions into the Bundesliga with the latter now Champions League regulars.

Rangnick, like Thomas Tuchel and Jurgen Klopp, tends to integrate the Gegenpressing philosophy onto his players which encourages pressing from the front.

Manchester United tried to match Liverpool with a similar tactic under Solskjaer and were ultimately punished by their rivals.

Keane sees it as a challenge for the 63-year-old, he told Sky Sports: "I have no real problem with it [Rangnick's appointment], I think it's just the situation it is.

"I think the main issue is about picking the next manager, what he said there in the interview [his philosophy] that's the game for the last and it'll be the same as the next 100 years, if it was about just being in possession, I'd still be playing.

"But a lot of the time you're not in possession and we've seen with the United lads. There's nothing new there but again the decision over the next couple of months is getting the right manager in and getting players to run, like Ronaldo, Fernandes, Pogba, even Rashford they've stopped running out of possession.

"So that's the biggest challenge, getting these lads on side to start closing down because United do have talent and it does need coaching, you have to improve on set-pieces of course."

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