Cooper Flagg's health is the biggest storyline in the East Region as top-seeded Duke awaits the return of its freshman sensation. The Blue Devils beat North Carolina and Louisville in the ACC Tournament without the ACC Player of the Year,

Auburn edged out a 31-3 Duke team loaded with projected NBA talent that beat Auburn in December and was historically dominant in a 19-1 conference run to the ACC regular-season title. Duke then backed up its regular season with an ACC tournament championship and enters NCAA tournament play with a nation’s best 20.8-point average margin of victory.

Greif: Florida. The West Region is the tournament’s most difficult on paper with the top-seeded Gators surrounded by St. John’s, Texas Tech and Maryland, all of which are ranked in the nation’s top 12 by Ken Pomeroy, whose rankings are something of a Bible in the sport.