Australia is a sports juggernaut. Dominant cricket teams, unbeatable at rugby league, exceptional Olympians, Mark Viduka. It’s also one of only two countries in the world to turn a totally domestic pastime into a billion-dollar sports league. The Australian Football League is almost unique in the 21st century. ‘Aussie rules’ football isn’t played at scale anywhere else in the world, yet the AFL earns almost a billion US dollars each year from an audience well under Australia’s 28 million residents.