He made a return to Shakhtar in 2015 after a season away in Brazil and scored a further 21 goals for the club while also adding more winner's medals to his cabinet.
Fred joined Shakhtar from Brazilian side Internacional in 2013.More news: 'Mission Impossible - Fallout' Featurette Details Tom Cruise's Harrowing 25000-Foot HALO Jump
Handed his debut by Dunga in 2014, Fred's worldwide career was disrupted after testing positive for the diuretic hydrochlorothiazide during the 2015 Copa America.
Fred played in Brazil's 2-0 friendly win over Croatia at Anfield on Sunday but remained coy about his future when questioned by Brazilian media after the game.
"If I was a club manager, I would be looking to sign him". So it remains to be seen how Fred will cope in the Premier League.More news: Qatar Airways Chief Ignites Twitter with Sexist Row
Although a Brazilian by birth, Eduardo played for Croatia on the global stage.
Rumours have been rife since the season's end regarding the arrival of Fred to the Old Trafford club, with United now confirming the rumours to be true.
Jose Mourinho is in the market for at least one new midfielder as Michael Carrick has moved into a coaching role following his retirement while Marouane Fellaini is set to leave when his contract expires later this month. 'Of course every time you go to a new country it is hard at the beginning to adapt but I believe this will not be a problem for him.More news: Fashion Designer Kate Spade Dead at 55