Bungu turned pro in 1987 and in 1994 captured the
International Boxing Federation Super Bantamweight Title with a shocking upset victory over
Kennedy McKinney, a fight named 1994
Ring Magazine Upset of the Year. After the victory, Bungu defended the title an impressive 13 times before relinquishing the belt in 2000 to move up to featherweight to take on
Naseem Hamed. Hamed defeated the super bantamweight former champion, TKO'ing Bungu in the 4th round. In 2002, he was beaten by
Lehlohonolo Ledwaba and retired in 2005 after losing to
Thomas Mashaba. He compiled a career record of 39–5–0. ==Professional boxing record==