According to Spanish outlet, El Gol Digital, Ronaldo’s Real Madrid future is up in the air with United eyeing a sensational return for their former player.
Ronaldo has been heavily linked with a move to French capital club, Paris Saint Germain, but United manager, Jose Mourinho is keen to add some stardust to his side.
El Gol Digital claims Real boss, Julen Lopetegui has decided to let Ronaldo go.
Express Sport UK also reports that Ronaldo has always been on the radar of United CEO, Ed Woodward.
Mourinho and Manchester United are expected to make their first bid after the FIFA World Cup in Russia.