Each season, all teams not already participating in the BuzzerBeater's Best tournament across the world compete in a collection of international tournaments known as BuzzerBeater Madness, a supplemental to the B3 tournament. Divided into separate tournament divisions based on their world rankings, teams compete for both fame, fortune and, in case of the top tier winner, a spot in the next season's B3 tournament!
So what exacly determines which BBM tier you land in each season?