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 65 tournament teams to help you make smart picks.
The Irish went from way off the board to a No. 6 seed in three weeks. In such cases, the air often goes out of the balloon quickly.
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: