Michigan vs. Duke. No. 1 vs. No. 3. The current No. 1 overall seed vs. the second No. 1 seed in Saturday's bracket preview. It all goes down Saturday night in the nation's capitol as one of the most highly anticipated regular-season games of the college basketball season takes center stage. Michigan, which leads the country in scoring margin, enters the day 25-1 and ranked No. 1 in the NET, at KenPom and in Wins Above Bubble, a metric the selection committee evaluates as part of its seeding process.