 Complete the following phrase:  Iran Barkley born May 6, 1960 is an American former professional boxer who competed from 1982 to 1999. He held world championships in three weight classes, including the WBC middleweight title from 1988 to 1989, the IBF super middleweight title from 1992 to 1993, and the WBA light heavyweight title in 1992. As an amateur, Barkley won a bronze medal in the middleweight division at the 