Knowledge bank: Doping is widespread not only in elite sports but also in fitness centers across the world and it is a highly underestimated problem. 

Knowledge bank: Sports editors of daily newspapers all over the world allow the sports industry to set the agenda and the priorities for coverage of sports events. That is the main conclusion of the International Sports Press Survey 2005 which has surveyed 10,007 articles in 37 newspapers from 10 different countries.

Knowledge bank: The International Business Leaders Forum’s policy paper, ‘Shared Goals: Sport and Business in Partnerships for Development” is produced in partnership with UK Sport’s Worldwide Impact programme and puts the case for business and development organisations to come together through sport, to meet their shared objectives.

Based on a study of the economic impact of hosting professional sports teams in 37 US cities, the authors conclude that professional sports generally have little, if any, positive effect on a city's economy.

Player agents from Proactive, an international firm of agents, can negotiate with each other and represent both parties in a negotiation situation. If left to the Fedration Internationale de Football Association (FIFA), at any rate.

One of Europe's largest football management agencies, Proactive, has created a network of players, coaches and agents buying and selling players from each other.

Knowledge bank: I am an Argentine journalist who, for many years, has been following the developments in Brazilian football.

Knowledge bank: Declan Hill explains why the Russian mafia is attracted to hockey both in the former Soviet Union and abroad. He shows how organised crime figures deliberately targeted some of the top hockey players in the NHL and were able to socialise with them, to extort them, and in some cases to actually go into business with them.