Barcelona, Inter Milan, Real Madrid and AC Milan striker was noticeably heavier towards the final few months of his career, following a series of injuries that kept him off the pitch.
Following his final career appearance in 2011, Ronaldo enjoyed his time away from the pitch before signing up for a celebrity weight loss show in his native country.
Ronaldo turned out to be very successful in shedding pounds, and has since gone on to return to Spain as majority owner of Real Valladolid in La Liga.
The 1994 and 2002 World Cup winner, standing 6 feet tall, weighed in at 18st 6lb at the beginning of the show, say BR, and went on to lose a substantial 37 lbs to weigh in at a healthy 15st 7lbs.
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