Tom Izzo's second-seeded Michigan State Spartans face the 15th-seeded Bryant Bulldogs in the first round of the NCAA Tournament. Find out how to watch March Madness for free.

One of those, of course, was MSU, which was stunned by Middle Tennessee in 2016. Perhaps even more worrisome: A 15-seed has pulled off the giant upset in three of the past four years, with only last year’s tourney seeing all four 2-seeds make the second round.