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.
Scott Dixon (boxer) "Super" Scott Dixon ( (1976--) 28 1976 (age (2017)-(1976)-((11)<(09)or(11)==(09)and(30)<(28)) ) ) born in Hamilton is a Scottish professional feather/super feather/light/light welter/welter/light middle/middle/super middleweight boxer of the 1990s, 2000s and 2010s, who won the British Boxing Board of Control (BBBofC) Scottish Area welterweight title, World Boxing Board (WBB) welterweight title, World Boxing Union (German Version) super middleweight title, and Commonwealth welterweight title, and was a challenger for the World Athletic Association (WAA) welterweight title against Michael Carruth, BBBofC British welterweight title against Derek Roche, World Boxing Federation (WBF) light middleweight title against Steve Roberts, World Boxing Organization (WBO) Inter-Continental light middleweight title against Anthony Farnell, and World Boxing Union (WBU) light middleweight title against Mehrdad Takalobigashi, his professional fighting weight varied from 125 lb , i.e. featherweight to 167+1/2 lb , i.e. Super middleweight.