Career
Barrett is best known for his loss to 2004 Athens Olympics silver medalist Amir Khan via a TKO. Since this fight, he has gone on to fight for both British titles and world titles. Barrett started boxing at the age of seven, with Thamesmead American Broadcasting Company. Barrett finished with a record of 75 fights.
60 wins and 15 losses. Barrett made his pro debut on 13 June 2002.
He challenged for the British Featherweight title, but lost against John Simpson in the fifth round.
He challenged for the WBU Lightweight World Title in 2009, but lost on points against Willie Limond. On 7 December 2013 in Neuwied, Germany, Barrett was given a chance to avenge his loss in the Masters to Geoffrey Munika and in doing so took the vacant WBU Welterweight World Title with a 3rd round TKO.
Barrett is an avid supporter of Chelsea. He has a tattoo of Marvin Hagler on his leg, and a tattoo of a samurai slaying a demon on his back.