POLL: Rank these NCAA basketball upsets

Posted at 10:07 AM, Feb 26, 2015
and last updated 2015-02-26 10:07:44-05

Every few years in the NCAA tournament it happens.

A 15th-seeded team pours gasoline on brackets all over the nation and lights a match with a compelling upset against a top-ranked team. 

Duke, Arizona, Georgetown and Syracuse are among the NCAA powers to fall to unknown teams that immediately household names. 

But which of the 15th-seeded teams had the greatest upset? Use our poll to rank them for yourself.