White collar boxers train at the Trad TKO Boxing Gym in London March 28, 2012. Workers in London's financial district known as the "City" are naturally competitive and having achieved financial success at a relatively young age, may see the chance to fight it out in a gladiatorial tournament as a natural progression. Picture taken March 28, 2012. REUTERS/Ki Price (BRITAIN - Tags: SPORT BUSINESS BOXING)