La Liga heavyweights Real Madrid were thought to be the favourites to sign the Paris Saint-Germain superstar but United have entered the race.
Neymar has informed his Paris Saint-Germain team-mates he will not return to the club after the 2018 FIFA World Cup in Russian Federation, according to a report from AS (h/t MailOnline's Jeorge Bird).
Paris Saint Germain superstar Neymar fears he might not be at his best in Russian Federation due to the foot injury he suffered earlier this year.
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However, the Old Lady broke the deadlock 10 minutes into the second half as un-marked Mehdi Benatia headed past a helpless Donnarumma.
The 26-year-old has been out of action since breaking a bone in his right foot on 25 February and had surgery the following month, leaving Brazil fans sweating on their key player's fitness ahead of the World Cup which starts on 14 June. After the final we'll talk with the club about next year and what changes will be made. I don't get into that, it is for others.
"I am sorry that you've had to come all the way out from the centre of Paris to ask that question, wondering what they'll say and if anyone will say anything", he said, reports Marca.
The Frenchman added: "I don't know if we are negotiating for Neymar".
According to French and Spanish media Neymar has reportedly told PSG directors he wants to quit the club after only one season. I have always told those closest to me that after Lionel [Messi], Andres was the best player in the world.