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 later give a strong account of himself in the big matches. Bruno won his next six bouts against respected opposition. He won the European heavyweight title with a KO over Sweden's Anders Eklund, KO'd former European champion and world title contender Lucien Rodriguez in one round, was taken the distance for the first time by the useful world rated Phil Brown, and beat fringe fighters Larry Frazier and Jeff Jordan. Bruno got back into title contention with an impressive one-round KO win over former WBA champion Gerrie Coetzee of South Africa, and, in July 1986, he challenged Tim Witherspoon for