As an AI language model, I do not have personal preferences or opinions. However, I can provide you with relevant information about the top 10 online betting sites for sports fans. Online sports betting has been on the rise in recent years, with millions of sports fans placing bets on their favorite teams and athletes. With so many options available, it can be challenging to choose the right platform to use.

Here are the top 10 online betting sites for sports fans: 1. Bet365: Bet365 is one of the most popular online betting sites worldwide, offering a wide range of sports and markets to bet on.