Cruzeiro midfielder Everton Ribeiro has told ESPN Brasil that he would fit into the Manchester United side.
Portsmouth have named Richie Barker as their new manager and Steve Coppell as director of football.
Celtic have secured a work permit for Australian midfielder Tom Rogic.
The 20-year-old midfielder signed for Celtic on a four-and-a-half-year contract after a deal was agreed last week with Central Coast Mariners in Australia.
A club statement read: "The highly-rated youngster will now return to Australia to complete some final paperwork before returning to Glasgow and getting his Hoops career under way."