Big upsets are arguably one of the most exciting parts of March Madness, despite the pain it might bring your already-busted bracket.

In some years, the tournament's beginning rounds are much more memorable than the ending. Consider the 2023 tournament. In that upset-filled year, No. 15 Princeton reached the Sweet 16 and No. 9 Florida Atlantic crashed the Final Four. It was thrilling – until the finish line, when UConn clubbed San Diego State in the championship.