So United could find their move blocked by two major barriers.
Following Barca’s La Liga victory over Elche on Sunday, boss Xavi commended Araujo for the improvements he has made in recent months.
“Maybe he is the footballer who is improving more from our arrival overall with the ball – before he had no intention,” Xavi said.
“We require passes, we demand game changers. Without the ball, he is one of the best in the world.