A sports agent. In its simplest form, a sports agent is an individual or company who represents a sportsperson. They try to get them a better contract, a better endorsement, a better sponsorship, a better deal. Nothing wrong with that, is there? Or is there? The problem, inevitably, is money. So much money now sloshing around in...

Mel Stein is the author of How to Succeed as a Sports Agent and the biography Chris Waddle.