David Gold: Olympic men’s football kicks off… but I can only foresee a three horse race

The Olympic men’s football tournament gets underway today, and although 16 teams start with hopes of success there are three countries that stand head and shoulders above the rest.
Brazil, Spain and Uruguay could well be the teams taking away gold, silver and bronze this summer, although in which order is harder to predict. But it is difficult to see beyond them when it comes to anticipating the next two weeks.
For Brazil,