5. Santiago Arias
PSV Eindhoven’s right-back Santiago Arias has also been linked with a summer move to the Red Devils. The 22-year-old, who has recently broken into the Colombian national team and is hopeful of securing a place in their final World Cup squad, has been making a name for himself in Holland this season. Arias signed for PSV from Sporting Lisbon last season and is one of the hottest properties in Dutch football.