Roy Levesta Jones Jr. is an American former professional boxer that competed from 1989 to 2018, and again in 2023. He held multiple world championships in four weight classes, including middleweight, super middleweight, light heavyweight and heavyweight. As an amateur he represented the United States at the 1988 Summer Olympics, winning the light middleweight silver medal. World heavyweight champion (WBA) from March 1, 2003 to February 20, 2004. Wiki link