BPI bracket observations

The No. 1 overall seed, John Calipari's Wildcats appear to have a favorable road to the Final Four. Don McPeak/US Presswire

When you're filling out your bracket, you'll want every edge you can get. ESPN's College Basketball Power Index (BPI) provides exactly such an advantage to the savvy fan. To help you prep your picks, here are some of the biggest bracket observations using the lens of the BPI.