Which South African professional boxer did  Cedric Kushner managed
Cedric Kushner Cedric Kushner (July 18, 1948 – January 29, 2015) was a South African-born American boxing promoter and manager. In the late 1990s he was one of the most significant promoters in the sport. Boxers he promoted and/or managed included Hasim Rahman, Shannon Briggs, Oleg Maskaev, Chris Byrd, Corrie Sanders, Ike Ibeabuchi and David Tua.
Ike Ibeabuchi Ikemefula Charles "Ike" Ibeabuchi (born February 2, 1973) is a Nigerian former professional boxer who competed from 1994 to 1999 in the heavyweight division. He defeated highly ranked contender David Tua in 1997 and future world champion Chris Byrd in 1999. After compiling a record of 20–0 with 15 knockouts, Ibeabuchi was imprisoned in Las Vegas in July 1999, after submitting an Alford plea. In November 2015, Ibeabuchi was released from the custody of United States Immigration and Customs Enforcement (ICE) after completing his 16-year Nevada state prison sentence without incident. He announced his desire to return to the ring to resume his professional boxing career, but was rearrested before a comeback could take place.