Man Utd Manager 'Wouldn't Be Surprised' If Cristiano Ronaldo Still Played Football When He's 40

One of the fittest athletes in the world, Ronaldo is currently a far cry from the skinny teenager he used to be, having gained muscle significantly since he came to England after signing for Man Utd back in 2003. He's developed an incredible physique and stamina, and has returned to Manchester United 18 years later.