Which South African professional boxer did  Cedric Kushner managed
Corrie Sanders Cornelius Johannes "Corrie" Sanders (7 January 1966 – 23 September 2012) was a South African professional boxer who competed from 1989 to 2008. He won the WBO heavyweight title in 2003 after stopping Wladimir Klitschko in two rounds, which was considered one of the biggest upsets in heavyweight boxing history; "The Ring" magazine named it the Upset of the Year. In 2004, having vacated the WBO title, Sanders faced Wladimir's brother Vitali Klitschko in an unsuccessful challenge for the vacant WBC and "Ring" heavyweight titles.
Michael Alldis Michael Alldis ( (1968--) 25 1968 (age (2017)-(1968)-((11)<(05)or(11)==(05)and(30)<(25)) ) ) born in London is an English amateur bantamweight and professional bantam/super bantam/feather/super featherweight boxer of the 1990s and 2000s, who as an amateur was runner-up for the 1966 Amateur Boxing Association of England bantamweight (54 kg) title, against Patrick Mullings (St Patricks ABC), boxing out of Crawley ABC, and as a professional won the British Boxing Board of Control (BBBofC) British super bantamweight title, and Commonwealth super bantamweight title, and was a challenger for the World Boxing Organization (WBO) Inter-Continental super bantamweight title against Laureano Ramírez, Commonwealth featherweight title against Billy Hardy, BBBofC British featherweight title against Paul Ingle, and International Boxing Organization (IBO) super bantamweight title against Simon Ramoni, his professional fighting weight varied from 118 lb , i.e. bantamweight to 129 lb , i.e. super featherweight. Michael Alldis was trained by James Cook, and managed by Barry Hearn.