San Diego State (4) vs. Arizona (1)
San Diego State has a very simple recipe for winning. It has one ingredient: Mountain West Player of the Year Xavier Thames. The Aztecs guard accounted for a quarter of his team's points this season. However, stopping him isn't as easy as it sounds. New Mexico State tried, and he scored 23. North Dakota tried, and he put up 30. The question is whether Thames can single-handedly outscore top-seeded Arizona and freshman phenom Aaron Gordon. After a Round 2 scare versus Weber State, the Wildcats returned to form to embarrass Gonzaga and show why they deserve the No. 1 seeding. (Getty Images/Steve Dykes)
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