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 'I'm going to let him see my hook'". Bruno's manager, Mickey Duff, said "Frank (Bruno) has no chin... once he gets hit clean on the button, he goes". The undercard of the main fight was made up of Joe Calzaghe making his first professional fight in front of barely 300 spectators. Calzaghe would later become the undefeated WBO, WBA, WBC, IBF, "The Ring Magazine" and British super middleweight champion. Lennox Lewis vs. Frank Bruno Lennox Lewis vs. Frank Bruno was a boxing match that took place at the then National Stadium, Cardiff Arms Park, in Wales on 1 October 1993.