AFL Grand Final Betting 2020 AFL Grand Final Betting is pretty much an annual Aussie tradition! The final is regularly the most watched event in Australia each year. With the sport being the most popular in the nation, it really is no surprise that so many punters like placing a good wager on the Grand Final at sports betting sites. Here we go through the ins and outs of placing a bet on this momentous occasion. Below is a guide on how to bet on the AFL Grand Final as well as tips on picking a winner.