In which year was this American heavyweight boxer born who was active in the 1950s through the 1970s, and was defeated by the former Canadian professional boxer George Chuvalo?
Cleveland Williams Cleveland "Big Cat" Williams (June 6, 1933 – September 3, 1999) was an American heavyweight boxer who fought in the 1950s through the 1970s. A "Ring Magazine" poll once rated him as one of the finest boxers never to win a title. He made an imposing figure, tall with an impressive athletic broad shouldered build.
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.