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 the WBA heavyweight title. After once again leading on the cards for most of the fight, he ran out of steam and was defeated by knockout in round eleven. Bruno once again got himself back into title contention with wins over former contender James Tillis and journeymen Reggie Gross and Chuck Gardner. In October 1987 Bruno faced the veteran Joe Bugner in an all British match up. Bugner although long past his peak, was coming off impressive wins over Greg Page, James Tillis and David Bey. Bruno won by TKO in the 8th round, the referee stopping the bout, although