CRISTIANO RONALDO will be given the chance to leave Al-Nassr and return to Europe if a suitable offer is received in future, according to reports. The five-time Ballon d’Or winner became the highest-paid sportsperson of all time when he signed a lucrative £173million-a-week contract with the Saudi Pro League club last week. 2Ronaldo was unveiled as an Al-Nassr player on TuesdayCredit: Getty 2He also took part in his first training sessionCredit: Getty He was officially unveiled as an Al-Nassr player on Tuesday in front of thousands of fans at Mrsool Park, where he also took part in his first training session. But although he is yet to make his debut in Riyadh, Ronaldo already has a contract clause in place which states that he will be free to LEAVE if any club in the Champions League submit an offer. According to football journalist Ben Jacobs, the clause is player-triggered which gives the former Manchester United star the freedom to speak to European clubs. But, despite the huge clause in his contract, Ronaldo has already insisted that he “broke all the records” in Europe. During his first Al-Nassr press conference, he said: “I gave my word for this club. “I won everything, I played for the most important clubs in Europe and now it is a new challenge in Asia.” He also revealed that he turned down offers from clubs in Europe, Brazil and Australia in favour of a move to Saudi Arabia. Ronaldo, 37, added: “As nobody knows, I can say now I had many opportunities in Europe, many clubs in Brazil, Australia, the US, even in Portugal, many clubs tried to sign me.” HOW TO GET FREE BETS ON FOOTBALL The Portugal captain is not expected to make his Al-Nassr debut until January 21. He is yet to serve the two-game ban he received in November for smashing a teenager’s phone.