Manchester United have completed the signing of Brazil midfielder Fred from Shakhtar Donestsk, the Premier League club have announced.
The 25-year-old has signed a five-year contract, with the option to extend for a further year, after completing a medical.
United reached agreement with Shakhtar earlier this month, with the Premier League club reportedly paying a fee in excess of £50million.
Fred told the club's website, www.manutd.com: "This is the biggest club in the world and I am delighted to be a part of this amazing team. To work with Jose Mourinho, who has won so many trophies in his time as a coach, is an opportunity not to be missed.
"I cannot wait to get started and to meet my new team-mates. I would like to thank everyone at Shakhtar Donetsk for everything they have done for me over the past five years.
"This is a very exciting time for me with my focus now fully on the World Cup with Brazil."