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 knocked out in the first round. Lewis retained the WBC world title in 1998 when he knocked out lineal champion Shannon Briggs, who had recently outpointed George Foreman in a controversial fight to win the lineal title in five rounds, and beat formerly-undefeated European champion Željko Mavrović from Croatia in a 12-round unanimous decision. Lewis stated in 2006 that his fight with Mavrovic was the most awkward win of his career. On 13 March 1999, Lewis faced WBA and IBF title holder Evander Holyfield in New York City in what was supposed to be a heavyweight unification bout. Lewis fought