Then, in a bid to have a fresh start, Chambers looked to a career in American Football playing for the Hamburg SeaDevils in the NFL Europa League, before returning to the track in 2008.
If he makes it through that he will join a six-week camp in Florida which could see him allocated to one of six teams - Amsterdam Admirals, Berlin Thunder, Cologne Centurions, Frankfurt Galaxy, Hamburg SeaDevils or Rhein Fire.