Oliver McCall Oliver McCall Oliver McCall (born April 21, 1965) is an American former professional boxer who competed from 1985 to 2014. He is best known for winning the WBC heavyweight title in 1994 by scoring an upset knockout victory over Lennox Lewis. The next year he defended the title against Larry Holmes before losing it to Frank Bruno. McCall would also become known for an in-ring mental breakdown during his 1997 rematch with Lewis. Known as "The Atomic Bull", McCall turned pro in 1985 and slowly worked his way up the heavyweight ranks. He beat Jesse Ferguson and future heavyweight champion
Bobby Chacon Chacon suffered a bad cut in the seventh round. In 1980, Chacon had only one fight, but it was a significant one. He beat Limón in their third bout, and the WBC once again made him their number one challenger. In 1981, Arguello had left the title vacant and gone up in weight to pursue the world's Lightweight title. Limón then beat Idelfonso Bethelmy by a knockout in 15 in Los Angeles to win the WBC world Jr. Lightweight championship. In his first title defense, he lost it by a decision to Uganda's Cornelius Boza Edwards, who, in turn, defended