Not a single perfect bracket remains of the nearly 5 million entries in ESPN.com's Tournament Challenge. But don't let that intimidate you. As a whole, SportsNation predicted 75 percent of the first-round games. But can you match that percentage in the Sweet 16 by correctly predicting six of the eight matchups?
You may feel confident in your pick of No. 1 Kentucky over No. 12 Cornell, but what about plucky Northern Iowa against Michigan State? Or No. 3 Baylor against a Saint Mary's team that exposed Villanova?
Make your picks below, and see how they compare with the rest of SportsNation's.