Manchester United Treble winner Teddy Sheringham feels Ralf Rangnick's appointment is set up for failure.
Rangnick will take over as interim boss until the end of the season, with a two-year consultancy role after that - but it is unclear what the club's long-term plan is.
Sheringham told talkSPORT: "The whole scenario after putting Michael Carrick in charge as interim manager, to get another interim manager in for the next six months is just absurd for a club like Manchester United. With a view to, if he does do well, he might get the job. Surely they know who they want to be their next manager.
"I find it very strange what is going on up there at the moment. You'd like to think they know who they want and are waiting for the right man. When there's talk he might get the job as well, it leaves you with a little bit of indecision all over the place.
"If you were a player and this manager came in who you know is only going to be there for six months and he didn't really fancy you for the first couple of weeks, your response to that would be mucking about in training and thinking 'it doesn't matter' as he will be gone in six months.
"If he says to you 'go and warm up', you'll say 'no, I'm not warming up, I'll be here longer than you, mate'. You know how footballers are. It gets petty. I just find it a strange situation to be in at the moment."
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