McBride debuted in December 1992, with a draw against Gary Charlton. In 1997, he defeated Paul Douglas to win the All-Ireland Heavyweight Title, and in 2002 he defeated Craig Tomlinson to add the IBC Americas Heavyweight Title. McBride currently resides in the heavily Irish neighbourhood of Dorchester in Boston and trains in nearby Brockton, Massachusetts. McBride's career-defining performance was a victory over Mike Tyson, former undisputed world heavyweight champion, Tyson quit the fight at the end of Round 6 by informing the referee that he would not be able to continue to round Seven in the MCI Center in Washington, D.C. The aged Tyson explained in a post fight interview that his heart wasn't into the sport any more. Tyson announced his retirement after the bout, saying "I'm not going to disrespect the sport anymore by losing to this caliber of fighter". in October 2007. McBride has suffered six losses by knockout—including twice against fighters with losing records. Since his fight with Mike Tyson, McBride beat Byron Polley, then suffered three upset losses. The first loss was against Mike Mollo, a second-round knockout loss. The second loss was against Andrew Golota, a sixth-round technical knockout loss after Golota skilfully worked a cut he had opened up over McBride's eye. After three years inactivity, McBride, the 'Clones Colossus', attempted a comeback in an eight rounder on 10 July 2010 at the Mid-Hudson Civic Center in Poughkeepsie, New York, but lost every round—and the bout—in an upset to cruiserweight veteran Zack Page, a journeyman with a losing record as a professional. Despite standing and weighing 282 pounds to Page's and 205 pounds, McBride was outworked and out punched by his smaller, faster, more aggressive opponent. On 9 April 2011 McBride fought former cruiserweight and light heavyweightworld championTomasz Adamek for the IBF International Heavyweight and NABO Heavyweight Championship belts at the Prudential Center in Newark, New Jersey. Adamek won a 12-round unanimous decision. McBride ended his career after losing to Mariusz Wach on 29 July 2011 during a boxing gala held at Mohegan Sun Casino, Uncasville, Connecticut. McBride's nickname, "The Clones Colossus", recalls Barry McGuigan's sobriquet "The Clones Cyclone".
