Last night, Michigan State became the first top seed to fall in the 2012 NCAA tournament, but the Spartans’ loss to Louisville was far from the biggest upset in this year’s Big Dance. This edition of March Madness will go down in history as one of the toughest years ever for teams that appeared to be prohibitive favorites.
Few tournament results in recent memory have been more jaw-dropping than the performance of 15th-seeded Lehigh. The Mountain Hawks stunned No. 2 seed Duke, and only a hard-fought loss to Xavier kept them from becoming the first No. 15 in history to make the Sweet 16.
Herein, a closer look at Lehigh’s stunner and the rest of the 25 biggest surprises in the last decade of March Madness action.