Cristiano Ronaldo’s ball head against Roma 2008
When Manchester United first signed an 18-year-old Cristiano Ronaldo in 2003, he was a rough diamond of a tricky edge, whose electric feet were incredible to look at but not always as effective. When he left in 2009, he was a game changer of epic proportions, whose polished abilities covered the full spectrum of attacking attributes.As a player whose greatest asset was his technical skill, Ronaldo developed into a top athlete, for whom enormous power and athletics soon became an even greater part of his armor.Ronaldo…