Barrett lost to former cruiserweight champion David Haye (who was also the promoter of the fight) on November 15, 2008, at the O2 arena in London, by knockout at 1:28 fifth round,  after being put down five times in the fight.
Barrett lost to former cruiserweight champion David Haye (who was also the promoter of the fight) on November 15, 2008, at the O2 arena in London, by knockout at 1:28 fifth round, after being knocked down five times during the fight.