PRO: Fourth-year defensive tackle whose career totals include 35 games (six starts), 44 tackles (30 solo), 1.5 sacks, two pass defenses and one fumble recovery.
2012: Joined the Lions defensive line on December 19, 2012.
2011: Played in eight games, four with both the San Diego Chargers and Carolina Panthers, respectively, amassing four tackles. Started at New Orleans (1/1) and recorded two tackles (one solo).
COLLEGE: Played at Michigan State for two seasons after a successful two-year stint at Southwestern College in Chula Vista, Calif. that led to a scholarship from the Spartans.
NFL Network's Mike Garafolo weighs in on why the University of Tennessee's Derek Barnett is someone who we should take notice of going into the combine.