Cristiano Ronaldo has struggled "for two years" as Man Utd ace told to consider retiring

dailystar.co.uk:

Cristiano Ronaldo returned to Manchester United this summer, the Premier League braced itself for an almighty title challenge from the Red Devils.However, things haven't turned out as expected, and although Ronaldo is still scoring goals at the age of 37, he isn't finding the league as easy as he previously did during his first stint.The five-time Ballon d'Or winner made the shock exit from Juventus on Deadline Day this summer, but some fans have highlighted United as the reason that Ronaldo is starting to struggle.But Ronaldo has been told to quit all together by a former Real Madrid star, who believes that the Portugal captain has been finding it tough "for two years".

Brazilian legend Ze Roberto played until the age of 43, but even four years on he continues to boast his shredded figure on social media, sharing the same mentality for a healthy lifestyle as Ronaldo.But despite the fact that Ze Roberto had such a lengthy career, he stopped playing in Europe at the age of 36, and he has urged Ronaldo to consider retirement for the benefit of his own legacy.Ze Roberto told Sky Sports: "Cristiano is, for me, a machine, but I don't think he will still be going at 40 because he is a player who has always played at the highest level, always winning trophies and always trying to be the best player in the world.Should Cristiano Ronaldo consider retiring at Manchester United?

Comment below."But in the last two years, we have seen he has not been able to do that with Juventus and now with Manchester United.