FILE - In this Oct. 5, 2013, file photo, Nebraska defensive end Randy Gregory (44) pursues and later sacks Illinois quarterback Nathan Scheelhaase (2) in an NCAA college football game in Lincoln, Neb. Following practice on Wednesday, March 12, 2014, Neb. coach Bo Pelini said that Gregory hasn't even scratched the surface of what he's going to become, what he's going to be. (AP Photo/Nati Harnik, File)