Complex sentence: Ronnie Dean Coleman (born May 13,1964) is a retired American professional bodybuilder and the winner of the Mr. Olympia bodybuilding title 8 years in a row and is regarded as one of the greatest bodybuilders of all time.
Split into simpler sentences: Ronnie Dean Coleman (born May 13,1964) is a retired American professional bodybuilder. The winner of the Mr. Olympia bodybuilding title for eight years in a row, he is regarded as one of the greatest bodybuilders of all time.