A lot of college-hoops fans get really pumped up for March Madness.
Yet before NCAA-basketball acolytes begin filling out their brackets, some fans focus all their energy on the rivalry games that come only once or twice during the regular season.
Some teams, like Duke and the University of North Carolina, have been rivals for decades. Other teams' rivalries (ahem, Syracuse and Georgetown) frequently determine critical rankings for the NCAA March Madness tournament.
So which rivalries are the biggest in NCAA men's basketball? Check out our list and let us know what you think!