MILAN: Portuguese striker Cristiano Ronaldo underwent a medical in Turin on Monday ahead of his fourth season with Juventus, along with four other returning Euro 2020 participants.

The 36-year-old Portugal international, who has one-year left on his contract, flew back to northern Italy on Sunday night.

On Monday morning the top scorer in Serie A last season arrived at the team's medical centre for tests where he was greeted by about one hundred cheering Juve fans and signed autographs.

Also returning were European championship participants Dejan Kulusevski, Matthijs De Ligt, Aaron Ramsey and Adrien Rabiot.

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Ronaldo was reported to be set to meet coach Massimiliano Allegri and the Juventus management to clarify his future amid speculation linking him with a move to Paris Saint-Germain.

The five-time Ballon d'Or winner's future had been in doubt after a difficult campaign during which Juventus lost their Serie A crown after nine years, exited the Champions League in the last 16 and only sealed fourth place and elite European football on the final day.

Juventus open the new season at Udinese with Allegri, who signed Ronaldo in 2018, back at the helm two years after his shock departure despite winning five consecutive league titles with the Turin club.

Former Real Madrid and Manchester United star Ronaldo has scored 101 goals in total for the club in 133 games.