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
Lennox Lewis vs. Frank Bruno on 14 January 1993. Lewis had previously been the WBCs number one contender by defeating Razor Ruddock. Lewis then became the first British world heavyweight champion since Bob Fitzsimmons lost the title on 9 June 1899. Lewis went on to defend his title by defeating Phil Jackson. Frank Bruno had previously lost to Tim Witherspoon on 19 July 1986 for the World Boxing Association (WBA) Heavyweight title at the old Wembley Stadium and to Mike Tyson on 25 February 1989 for the WBA, WBC, and International Boxing Federation (IBF) titles at the Las Vegas Hilton. The fight was the first