Manchester United have reportedly entered negotiations with Brazil Under-20 international, Douglas Costa. The player's agent, Cesar Bottega has claimed that United have begun talks with Gremio to purchase the £20 million-rated youngster, reports Setanta.

"There have been informal conversations and I believe Manchester United would match those values," Bottega told the Brazilian press.

"At the end of the Brasileirao, Douglas will be worth at least twice that."