Nicknamed Magic Man, he is a light heavyweight boxer and a former WBC, WBA, and IBF champion. He won a gold medal at the 1996 Olympics in Atlanta, competing in the light heavyweight class.
He took home a gold medal at the 1995 World Amateur Championships in Berlin.
He won the IBO Cruiserweight title against Danny Green on July 20, 2011.
He married Denise Tarver in 1999.
He had his first acting role opposite Sylvester Stallone when he played Mason Dixon in Rocky Balboa.