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
Frank Bruno However, Tyson recovered and eventually beat Bruno when the referee stopped the contest in round five with Bruno taking heavy punishment, lying helpless on the ropes. Bruno kept winning fights, helping him to retain his spot as one of the world's leading heavyweights. He defeated contender Carl Williams, and then journeymen such as Jose Ribalta, Pierre Coetzer, and Dutchman Jan Emmen. In 1993 he had a third world title chance against young Lennox Lewis, who was making the second defence of the belt (his first of three championship reigns). The Lennox Lewis vs. Frank Bruno fight was the first time