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THE 2021 NCAA TOURNAMENT will begin Thursday, March 18, and may the best team win -- except that it often doesn't. The single-elimination nature of the phenomenon that the world knows as March Madness can make for some truly unforeseen outcomes, though a little bit of knowledge can go a long way in determining who will be left standing when the ink dries on your bracket. ESPN has identified 12 of the top teams in college basketball this season, arranging them according to basketball-related and other less scientific characteristics. Which squad should you back to cut down the nets in Indianapolis?