If you were among the blissfully ignorant Friday night wondering, "What's a UMBC?" we at The Baltimore Sun are here to help.
With its historic 74-54 win over top-seeded Virginia, the No. 16 seed Retrievers men's basketball team offered America two plausible explanations for the UMBC initialism: U Must Be Cinderella (fake) and University of Maryland, Baltimore County (real).
But the Retrievers are more than just the team that ruined your bracket. They're the team with the bite-sized point guard, the graduate student who's tight with the school president, and the coach with the rising star.
Because we can't blame you for not having followed a No. 16 seed that lost to Albany by 44 this season, here's what you need to know about the NCAA Tournament's newest darling.