For North Carolina, injury-plagued 2011-12 will be remembered around Chapel Hill as a season of "What if?"

Its offseason begins with, "What now?"

Sophomore wing Harrison Barnes, junior power forward John Henson and sophomore point guard Kendall Marshall are all entering the NBA draft, the school announced Thursday. Add them to 7-footer Tyler Zeller, who is graduating, and the Tar Heels lose four-fifths of the starting lineup that led them to the NCAA regional finals.

Read more: http://espn.go.com/nba/draft2012/sto...ll-enter-draft