Manchester United manager Ole Gunnar Solskjaer has made it clear to the club's executive vice-chairman Ed Woodward that he wants to sign Harry Maguire as soon as possible, Sky Sports News understands.
Leicester will not let Maguire leave for less than £80m, which is £10m more than United have currently offered.
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Woodward decided to not travel out for United's preseason tour of Australia and the Far East to work on the ongoing negotiations.
According to Sky sources, it is now up to Woodward to get the deal done.
England international Maguire is understood to be happy to remain at Leicester but would like to move to Old Trafford if a deal can be agreed by the two clubs.
Manchester City have also shown interest in Maguire and can offer him Champions League football, unlike United.
United have so far signed Daniel James and Aaron Wan-Bissaka this summer and Solskjaer said on Wednesday he would be happy to start the season with no further signings.
Sky Sports' Gerard Brand
Maguire's confidence in stepping out from defence caught Leicester's eye when the Yorkshireman was at Hull, and that attribute has stuck with the 26-year-old - his dribbling success rate is the second highest among any defender in the Premier League.
Maguire's aerial duel success rate is also the highest among any Premier League defender, a trait referenced in song by England fans during the Nations League.
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