#3 Ante Rebic (Eintracht Frankfurt)

Another area where Mourinho will be looking for reinforcements this summer is on the right of midfield, where they look a little short. Juan Mata has often played there, but he is much more capable playing central behind the striker, leaving Jesse Lingard as the only man they can get the best of on the right, and because of this, Rebic could be the perfect man to come to Old Trafford.
He is another man whose value will be vastly greater because of his performances at the World Cup in Russia, where he helped lead Croatia to their first final. He is very much a traditional winger, as he is very direct and will look to get to the byline and put crosses into the box. With Romelu Lukaku up front, this will suit United, and he is certainly someone Mourinho should be taking a look at.