He was a try scorer in the 2006 European Challenge Cup Final Victory over London Irish at The Stoop.
[3] On 2 April 2013, it was announced that he had signed a one-year contract extension to keep him at Gloucester until the end of the 2013–2014 season.
[4] On 4 February 2014, Hazell announced his retirement from all forms of rugby due to persistent concussion injuries.
Hazell was chosen for England's highly successful senior tour of New Zealand and Australia in June 2003 and played in the 23–9 victory over New Zealand Māori in New Plymouth,[8] before flying to Vancouver to become a member of England's Churchill Cup winning side in 2003 and returned again the following year.
[9] Hazell won his first cap starting as openside flanker in England's victory over Canada at Twickenham in November 2004[10] and another as a replacement in the match against South Africa a week later.