March Madness 2018: Biggest upsets in NCAA tournament history Unknown 01:49 The Retrievers became the first No. 16 seed to knock off a No. 1 Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsWorld Squash Championship: Saurav Ghosal enters quarter-finalsInjuries no excuse for quadruple chasing Manchester City - Pep GuardiolaOle Gunnar Solskjaer says Fred must seize his chance to shine at Manchester Uni...Di Maria double fires defending champions PSG into French Cup semisAcapulco International: Rafael Nadal beats Mischa Zverev to enter second roundIndia vs Australia: Stats reveal what Virat Kohli should do at toss in Bengaluru...