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
Zou Shiming #7 by the IBF and WBO and #9 by the WBC. After Shiming beat Brazilian boxer Natan Santana Coutinho by technical knockout to win back the WBO International flyweight title, and retained the title at Madison Square Garden in New York City against contender Jozsef Ajtai, he was ranked as the classified contender for the vacant WBO world title vacated by Juan Francisco Estrada, who decided to move up to super flyweight. On November 5, 2016, in a rematch from November 2014, Shiming defeated Prasitsak Phaprom (39-1-2, 24 KOs) via a unanimous decision to win the vacant WBO flyweight title