<P> This round was called the First Round until 2011, when the introduction of the First Four caused the round to be renamed the Second Round . Starting with the 2016 tournament, it returned to being called the First Round . There were ten wins by double - digit seeds in 2016, which was the most in tournament history . In 2001 and 2012, there were nine upsets during First Round play . </P> <P> Before 2018, 16 - seeded teams were 0 - 135 against 1 - seeds . There were multiple occurrences of a 16 - seed getting within single digits, with the most recent being Weber State losing to top - seeded Arizona 68 - 59 in 2014 . Twice had a 16 - seeded team come within one point of winning, both times in 1989 . Top seeded Georgetown squeaked out a 50 - 49 win against Princeton, and East Tennessee State had a 17 - point lead on Oklahoma, before the Sooners came back and won 72 - 71 . The only time a 16 has ever taken a 1 - seed into overtime came in 1990, when Murray State ultimately lost to Michigan State 75 - 71 after an extra period . </P> <P> There has only been one game where a 16 - seed beat a 1 - seed (0.74%) since 1985, out of 136 games played: </P> <Table> <Tr> <Td> Year </Td> <Td> Winner </Td> <Td> Loser </Td> <Td> Score </Td> </Tr> <Tr> <Td> 2018 </Td> <Td> UMBC </Td> <Td> Virginia </Td> <Td> 74--54 </Td> </Tr> </Table>

When did a 15 seed beat a 2