Note: ESPN's Joe Lunardi assigned a team of Bracketologists to put together Insider's Tournament Tips, offering historical analysis of the bracket and in-depth breakdowns on all 68 tournament teams to help you make smart picks.
Here's what we know about UNLV: very solid team with one really good win (Wisconsin, at home). Here's what we don't know: can they beat an elite team? Five losses to SDSU and BYU would suggest otherwise, which is good news for Kansas.
Plus, you can enlist the help of Insider's Bracket Predictor tool to aid your picks.
Once the action starts, follow all the games on your desktop with our discreet RealTime Scoreboard.
Take a look inside the data used by the selection committee in seeding the bracket: