There are three types of sports betters; those that do it in support of their favourite player or club, those that do it just for fun, and those who do it to make money - in other words professional sports betters.
First we will consider the fortunes of those who bet on their favourite clubs, and we will consider the Premier league. If you had bet on Manchester United to win every game, then you would have done very well. At the date of writing the club had won 24 games, lost 2 and drawn 3.