One of the biggest draws on the sports calendar, the NCAA men's basketball tournament routinely thrills fans with "bracket buster" upsets. From Loyola Marymount's emotional 1990 run following the death of team leader Hank Gathers to UMBC in 2018 becoming the first 16-seed to defeat a 1-seed, March Madness holds the sporting world captive for a few weeks each year and changes the lives of players. Drawing on dozens of original interviews, this book chronicles the tournament's many underdog tournament runs, with insights into the teams beyond their exploits on the hardwood.