Cristiano Ronaldo's move to Juventus in the summer of 2018 caught everyone off guard.The Portuguese had just helped Real Madrid to their third Champions League title in three years under Zinedine Zidane and despite the rumours, no one thought he'd actually leave the Spanish capital.But soon after Los Blancos' European triumph two years ago, the transfer was confirmed, the Italian giants paying a cool £100m to sign the iconic striker.It's a move that's seen Ronaldo continue the ridiculous goal scoring form he's displayed throughout his career. In his 94 games for the Bianconeri, the 35-year-old has scored 71 goals.He's also won Serie A twice in his two years in Turin, but the ultimate goal of Champions League glory has eluded Ronaldo-led Juve.Ronaldo with the Serie A trophyAs such, Spanish publication Sport reported last weekend that Andrea Pirlo's side are now prepared to sell the Portuguese international at the end of the 2020/21 season.The Bianconeri are eager to recoup as much of their initial £100m investment as possible, shifting Ronaldo's enormous salary of their books in the process.So where could Ronaldo go were he to leave Turin in less than a year's time? Well, he wouldn't be short of suitors.Ronaldo in actionThe Paris Saint-Germain rumours just won't go away, but we may now have a new horse firmly in the race - Manchester United.Broadcaster Christian Martin tweeted to his 398,000 followers early this morning that the Red Devils are now trying to convince Ronaldo to re-join the club.

According to the post, Ronaldo is considering a move back to Old Trafford and Juve are willing to negotiate with the English side if their talisman requests them to do so.

Could we be seeing the start of one of the most incredible transfers of the modern era?

What is more, United's move for Ronaldo next summer could coincide with a potential Lionel Messi transfer to Manchester City.

Ronaldo with Man Utd

The north of England may be the stage for the greatest 'Last Dance' in sporting history come the start of the 2021/22 domestic season.

Ronaldo is already a bonafide legend at United, scoring 118 goals in his 292 appearances for the club and playing a pivotal role in the club's 2008 Champions League triumph.