1 Required for building and repair of body tissues (including muscle) 2  Enzymes, hormones, and many immune molecules are proteins.  Essential body processes such as water balancing, nutrient transport, and muscle contractions require protein to function.
Previous Game. Player Profile. A much-vaunted prodigy when snapped up by Manchester United from Sporting Lisbon in 2003, Ronaldo is now, alongside Lionel Messi, the best-known player on the planet, and a hero for Real Madrid and Portugal.
About Cristiano Ronaldo. Portuguese footballer Cristiano Ronaldo has an estimated net worth of $375 million in 2016. In 2009, Cristiano Ronaldo joined Real Madrid from Manchester United for a transfer fee of $132 million, which made him the most expensive soccer player in the history of the sport. He currently plays as a winger or striker for the Spanish La Liga club Real Madrid and is the captain of the Portuguese national team.