Career
Rees was trained by Gary Lockett. After a successful amateur career, Rees turned professional in 1998. Rees however lost his World title in his first defence via a 12th round TKO loss to Andreas Kotelnik in March 2008.
Further success
Following his world title loss Rees was out of action for more than a year before returning in August 2009 to beat Johnny Greaves in 4 rounds.
Following his Prizefighter victory, Rees moved down to the (lightweight) division where he enjoyed instant success winning the British title in 2010 (which he then vacated). Rees fought Adrien Broner for the World Boxing Council lightweight world title at Boardwalk Hall in Atlantic City, New Jersey on 16 February 2013.
He lost the fight via 5th-round TKO.