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.
The 2010-11 season saw Ronaldo earn the Pichichi as La Liga's top scorer with a remarkable 40 goals in 34 games, while he also scored the winning goal against Real Madrid's bitter rivals Barcelona in the Copa del Rey final.