2006 George Mason Patriots

Streeter Lecka/Getty Images
Streeter Lecka/Getty Images
The 11-seed Patriots were likely written out of most brackets, but caused chaos in the 2006 tourney when they got hot and made it to the Final Four.
The scrappy Patriots didn’t feature much star power, but their upsets against North Carolina and, most notably, UConn, made them a fixture of March Madness lore.