According to ESPN's Darren Rovell, only 14,525, or about 0.1 percent, of the 13 million men's basketball NCAA tournament brackets submitted to ESPN.com remain perfect after Day 1 action.

If your bracket resembles the one filled out by Minnesota Timberwolves point guard Ricky Rubio, then you would be among them.

So far, he's 16-of-16, having accounted for upsets few saw coming.

Not bad for a player who never stepped foot on the NCAA hardwood.

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