He started out as a skinny winger with floppy hair, quick feet and outrageous skills, wowing the world at the age of 17 after moving to Manchester United. He developed at Real Madrid into perhaps the most famous athlete on the planet and one of soccer’s greatest ever goal-scorers — and is still going strong heading into his fifth decade.

He could end up topping the list by the time he hangs up his boots.

Cristiano Ronaldo's legacy for both club and country is shining bright on his 40th birthday. To celebrate the superstar's birthday, the world is looking back at Ronaldo's one-of-a-kind career that started when he was just a teenager in Portugal.