Before making your 2025 NCAA Tournament bracket picks from the first round through the Final Four, consulting Ken Pomeroy's eponymous KenPom ratings is a must. March Madness gets its name because of those unforeseen upsets,

Few teams are more beloved in the basketball community than a mid-major underdog that catches heat at the right time and pushes deep into March. There are plenty of candidates in 2025, as well as traditional powerhouses who are seeded a little too low.

All March Madness second-round odds are from DraftKings Sportsbook and are subject to change. The second round kicks off with an intriguing matchup between McNeese and Purdue.