Whether you're a die-hard hoops head, a casual or someone who's never watched a college basketball game, there's a decent chance you've been invited to fill out a bracket. Here's what you need to know.

The UConn Huskies began this season as one of the favorites to win the 2025 NCAA Tournament and become the first men's basketball team to win three straight national titles since the UCLA dynasty in the 1960s and 70s.

FILE – March Madness branding is displayed a Wilson EVO NXT basketball before a first-round college basketball game between Kent State and Notre Dame in the women’s NCAA Tournament Saturday March 23, 2024, in South Bend, Ind. (AP Photo/Michael Caterina, File)