He's part owned By Jorge Mendes and Peter Kenyon's company (I think).
Here's a gossip piece in the Mail, where it says:
"It is believed the Spanish international is tied down at the Wanda Metropolitano until 2026 but he does have a £135m release clause. Under the terms of Niguez' contract, Atletico would only be entitled to £81m of that and would be forced to shell out the extra £54m just to retain him."
Can anyone explain to me what the sentence in italics means? If the release clause is triggered, where does the extra 54m go?
If this could happen, I'd be fine with 135m for Pogba.