Cristiano Ronaldo has been playing with a heavy knee injury that has 'no cure' since 2014 according to a fascinating Twitter thread.
The five-time Ballon d'Or winner continues to break records galore and recently became the highest-scoring international goalscorer in history when he moved past Iran's Ali Daei.
However, ahead of his second debut with Manchester United, Twitter user @LLF_14 has made extraordinary claims that the forward has been playing with a knee condition called 'tendinosis' since 2014 - which has no cure.
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Ronaldo made his name at Old Trafford as a skilful winger with blistering pace and trickery but returns as a moments player who comes alive in the box.
The switch in position and playing style, it seems, has come about as a result of the chronic knee problem.
The injury is described as 'degeneration' rather than 'inflammation' which means the Portuguese international's knee condition will worsen every time he uses it.
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The comprehensive thread looks at when Ronaldo first started suffering from the issue, with quotes from himself, as well as how he has had to play through the pain and adapt his game.
Still, Ronaldo remains in incredible physical shape and after signing a two-year contract for a second stint at United, he's hungry for more titles.
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He told the official Manchester United website: "I'm not here for a vacation [...] Before was good, winning important things and I wore the shirt before many years ago.
"But I'm here to win again. I'm capable, me and my teammates. I'm ready to go. It's a good chance for me, for the supporters, for the club, to get one step ahead.
"I think I will be a huge thing in the next three or four years."
Featured Image Credit: Image: PATopics: Manchester United, Cristiano Ronaldo, Juventus, Real Madrid
