Here are 4 things to know for the start of the March Madness and the journey to the Final Four

By Mia Fishman, CNN (CNN) — The first round of March Madness begins on Thursday and there’s a lot to take in. The first 16 games of the tournament will tip off just after noon and run through the late-night hours. Expect buzzer beaters, close games and maybe even an upset or two. Here are