'Left My Mark Everywhere': Cristiano Ronaldo Replies to Critics As Calls Grow For Retirement

Widely regarded as one of the greatest players of all time, Cristiano Ronaldo has often been asked what plans he has to hang up his boots. Although the Portuguese wizard is still going strong at 37, calls have been growing for him to retire, especially since he's proved himself incapable of rescuing Man United's form since returning to the club.