Harrison Barnes has something to prove

Updated: November 18, 2010, 2:26 PM ET
By David Thorpe

Heading into the college basketball season, there are a number of guys who already have secured a solid first-round ticket into next year's NBA draft. But can they just coast and then see their dreams come true? For the most part, no. There look to be five to 10 guys competing for the top three spots in the 2011 draft, and over the course of the season, players currently outside the projected top five can play their way in.

So how can these three top projected "one-and-done" college players cement their status in June, and what are NBA teams hoping to see from them? Let's take a look: