AdvertisementEthiopia Prepares For 'Rumble In The Jungle' ReduxJuly 31, 2009Gwen ThompkinsfacebookEmailU.S. boxer and former world heavyweight champion Evander Holyfield (shown here training in Zurich in 2008) is slated to take on challenger Sammy Retta in Addis Ababa, Ethiopia, on Sept. 11, the Ethiopian New Year. (AFP/Getty Images)