@CNN: Greg Nigl, the only person in the world known to still have a perfect NCAA #MarchMadness bracket, shares his winning strategy with @BrookeBCNN. Odds of having a perfect bracket after 48 games are one in a billion, explains CNN data expert @ForecasterEnten https://t.co/DtuwGIys4a https://t.co/DxBREj6pCb

@CNN: Greg Nigl, the only person in the world known to still have a perfect NCAA #MarchMadness bracket, shares his winning strategy with @BrookeBCNN.

Odds of having a perfect bracket after 48 games are one in a billion, explains CNN data expert @ForecasterEnten https://t.co/DtuwGIys4a https://t.co/DxBREj6pCb