Complex sentence: George Edward Foreman (nicknamed "Big George"; born January 10,1949) is a retired American professional boxer, two-time World Heavyweight Champion, Olympic gold medalist, ordained minister, author, and entrepreneur.
Split into simpler sentences: George Edward Foreman (born January 10,1949), nicknamed "Big George", is an American former professional boxer. In his boxing career he was a two-time world heavyweight champion and Olympic gold medalist; outside of the sport he went on to become an ordained minister, author, and entrepreneur.