Jose Mourinho has been strongly linked with the Old Trafford post ever since he was sacked by Chelsea for a second time in December.
Current Manchester United boss Louis van Gaal, who is contracted to the club until July 2017, recently rubbished the idea that United had held discussions with the 53-year-old.
However, The Mirror and Daily Mail have both claimed that the Portuguese coach is so confident he will be in the United dugout at the start of the 2016-17 campaign that he is informing those close to him that it is a done deal.
United have so far refused to comment on the suggestion that they have opened up talks with Mourinho.
By Taiwo Oyedeji
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