There is no chance of him being allowed to leave with 48 hours left until the transfer window closes for Premier League sides.
The Catalan giants submitted a bid that would see £45m go the other way, along with United target Yerry Mina and central midfielder Andre Gomes.
Barcelona's opening offer, if they are serious about signing Pogba, was in the ballpark of "derisory".
The French worldwide moved back to United for a fee in the region of £100 million from Juventus amidst interest from Real Madrid, but apparently the 23-year-old was very almost heading to the Nou Camp.
The World Cup winning midfielder returned to United in 2016 following a spell in Italy with Juventus.
In spite of the Maguire's heroics at the World Cup for England, many fans believe that Mourinho will be overpaying for his man, especially since Alderweireld is set to cost less. Paul Pogba's frustration at having to spend more time at Old Trafford under Jose Mourinho now has a fresh chapter.
The Mail reports that Pogba has sent United executive vice-chairman Ed Woodward a message to inform him of his decision.
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The midfielder was dropped through-out the season, with Mourinho deciding to hit out at Pogba's commitment through-out a frustrating campaign.
Chelsea winger Willian, though supposedly happy at Chelsea, has revealed that he's targeting a reunion with former manager Jose Mourinho.