The Mirror is reporting that the Portuguese superstar is ready for the next chapter in his football career and is prepared to leave the Bernabeu next summer.
The Red Devils have often tried to take the 30-year-old back to Old Trafford and, according to the publication, are desperate to complete a deal in 2016.
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Supposedly, Los Blancos will ask for a new world-record fee of £90 million to part with their number seven, but sources close to Ronaldo's camp believe a sum in the region of £70m would be more realistic.
The Mirror goes on to say the three-time Ballon d'Or winner would prefer a move to PSG, who are reportedly planning a world-record bid for his services.
UNLIKELY BUT NOT IMPOSSIBLE
Ronaldo has achieved unbelievable success since leaving the Red Devils in 2009 and is on the brink of becoming Real Madrid's all-time record goalscorer.
Having scored 321 goals in 305 games, the Portugal captain is two behind the record set by Madrid legend Raul.
Ronaldo will be 31 next summer and leaving the Bernabeu as the club's record goalscorer would be an ideal end to his time in the Spanish capital. Of course, he would also like to add more silverware to his collection.
Both Manchester United and Paris Saint-Germain have the financial capabilities to complete a deal for the current Ballon d'Or holder and it would seem to be down to his personal preference.
However, we have heard this all before and it would come as no surprise to see him stay in Madrid.
But with Ronaldo on the wrong side of 30 and approaching the final years of his contract, this could be Madrid's last chance to sell him for close to full value.
What do you think Cristiano Ronaldo will do next; move to Manchester United, PSG or see out his contract at Real Madrid? Have your say below!