Furman's upset of Virginia and Princeton's upset of Arizona busted almost everyone's
                                
                                
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                                    Millions of college basketball fans filled out brackets for this year's NCAA tournament. After two big upsets on day one, only 787 remain intact,  says  the league. The culprits, or heroes, on Thursday were Princeton and Furman, explains  ESPN . No. 15 Princeton upset No. 2 Arizona, and No. 13...