Everyone is starting to get excited about the upcoming college football season, which means chatter about next year's NFL draft is inevitably going to start up soon.
Looking around at different experts' early draft boards, one can see that a lot of players are all over the place, as is expected for the month of August.
But there are some consensus first- and second-round prospects, and more than a couple of those players come into the 2013 college football season with a lot to prove.
These players are all talented and have the upside to be future first-round picks, but each have their own unique situation which results in their needing to meet expectations to solidify a high draft position.
Here are seven NFL draft prospects with the most to prove this season.