Cristiano Ronaldo has asked to leave Manchester United, within a year of returning to his 'dream', says the transfer expert

Cristiano Ronaldo has asked to leave Manchester United, according to transfer agent Fabrizio Romano

He re-joined the club last summer from Juventus, 12 years after leaving for the first time at Real Madrid.

Chelsea FC are among the clubs said to be interested in signing 3Cristiano Ronaldo and have asked to leave Manchester United in less than a year

The Portuguese striker reunited with United last August from Juventus, 12 years after leaving the club to join Real Madrid at what was then a world record record.

Romano tweeted on Saturday that Ronaldo had told United he wanted to leave the club this summer because he "wanted to see more ambitions."

Romano, a freelance journalist who posts news on social media for millions of fans, is one of the world's most respected football news outlets.

United finished in sixth place in the Premier League last season after a tough defeat, which included a 4-0 defeat by Brighton and a 5-0 defeat by Liverpool.