The probability of completing a perfect NCAA tournament bracket is less than the combined odds of landing a hole-in-one, winning the Powerball and being struck by lightning multiple times. So how did Sam Holtz, the 2015 winner of ESPN's March Madness Bracket Challenge, beat out almost 12 million other entries and score a near-perfect bracket? For one: he didn’t watch any college basketball before the tournament. A Great Big Story told with our friends at Bleacher Report.