The likes of Barcelona, Juventus, Napoli, Borussia Dortmund and Atletico Madrid are all circling for Greenwood.
Felix, 24, was signed by Atletico Madrid for £96million from Benfica five years ago.
Felix's contact at Atletico Madrid does not expire until 2029.
As for Greenwood, Getafe fans chanted for him to stay during their final game of the season at the weekend.
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MANCHESTER UNITED have been offered a sensational swap deal involving Mason Greenwood and Joao Felix, according to reports.
Greenwood, 22, has spent the season on loan at Spanish club Getafe.
4 Mason Greenwood is wanted by Atletico Madrid Credit: Getty
4 Joao Felix could be offered in exchange for the Man Utd man Credit: Getty
Man Utd are yet to make a decision on his future but it's believed the club are hoping to sell him this summer.
Getafe want to keep the forward but may struggle to afford the £40million price tag.
The likes of Barcelona, Juventus, Napoli, Borussia Dortmund and Atletico Madrid are all circling for Greenwood.
And Atleti are reportedly willing to offer Felix as part of the deal.
Outlet TDF claim the LaLiga side's director of football Andrea Berta has proposed the move.
Felix, 24, was signed by Atletico Madrid for £96million from Benfica five years ago.
The versatile Portuguese attacker initially played a huge role at the club but then fell out with manager Diego Simeone.
Felix has since been loaned to Chelsea in 2023 and spent this season with Barcelona.
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His agent Jorge Mendes is reportedly pushing for another move away this summer.
Felix's contact at Atletico Madrid does not expire until 2029.
Mason Greenwood releases 52-word statement on future as Getafe fans make new chant begging Man Utd ace to stay
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But they could be willing to cash in for around £50m.
As for Greenwood, Getafe fans chanted for him to stay during their final game of the season at the weekend.
He since released a statement, saying: "Incredibly grateful to the Getafe family and fans for an amazing season.
“Thank you for making me feel welcomed and one of your own. I enjoyed every second, alongside my team-mates and club.
“A bitter sweet ending, but it was a pleasure to play for you, I wish you all the best.”
Greenwood has just one year left on his contract at Old Trafford.
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