Star Clemson DE Ferrell back from concussion … Defending national champion Clemson got some good news over the weekend when star redshirt sophomore DE Clelin Ferrell returned to the field after sitting out close to a week in concussion protocal. Ferrell was injured on Monday when he ran into 340-pound OG Tyrone Crowder. The 6-4, 260-pounder had 6 sacks in the Tigers run to the 2016 national title and figures to be one of the first edge rushers off the board if he opts to enter the upcoming draft.