Ronaldo had surgery for heart issue at 15 to save his career
Five-time Ballon d'Or winner Cristiano Ronaldo, who joined Juventus from Real Madrid, had to undergo laser surgery for heart problem when he was just 15. Ronaldo, who was playing for Sporting CP at that time, had an irregular heartbeat even when he was resting. Ronaldo's mother revealed she was worried as "there was the possibility of him giving up football".