NCAA Division I Men's College Basketball Championship
The NCAA Division I Men's College Basketball Championship (a.k.a. "March Madness" or "The Final Four") is a single elimination tournament held in the month of March. 65 of the best NCAA men's basketball teams compete in a bracket format in order to advance as far as possible in the tournament. The semi-finals, the Final Four, is one the most viewed sporting events in the U.S.A. Leading up to the month of March, numerous sports analysts draw up the brackets and analyze which teams have the best chance of advancing to the finals. This has come to be known colloquially as "Bracketology."