http://insider.espn.go.com/nfl/draft...eve&id=3356620
Vital skill sets
Pass rush
Anticipates the snap, possesses an explosive first step. Is fluid and able to use double moves to keep opposing linemen off balance. Shows great closing burst to the quarterback once he has turned the corner as a perimeter speed rusher. Is able to win with both speed and power. Has a wide array of pass rush moves. Shows enough strength to collapse the pocket with bull rush.
Best defensive end: Vernon Gholston, Ohio State
Best defensive tackle:
Dre Moore, Maryland
Run-stopper
Depending on scheme and situation must be able to take on blocks to protect linebackers. Makes plays in pursuit. Plays with leverage, shows discipline and knows how to use hands to tie blockers up. Sniffs out the run quickly and is able to shed blockers. Pursues hard and takes good angles. Plays with a great motor. Is a powerful and reliable open-field tackler.
Best defensive end: Phillip Merling, Clemson
Best defensive tackle: Glenn Dorsey, LSU