Roy Jones Jr.(I)

Roy Levesta Jones Jr. is an American former professional boxer, commentator, and trainer who holds dual American and Russian citizenship. He competed in boxing from 1989 to 2018, and held multiple world championships in four weight classes, including titles at middleweight, super middleweight, light heavyweight, and heavyweight, and is the only boxer in history to start his professional career at light middleweight and go on to win a heavyweight title. As an amateur, he represented the United States at the 1988 Summer Olympics, winning a silver medal in the light middleweight division after one of the most controversial decisions in boxing history