Defensive lineman who made his NFL debut in 2010 for the Chicago Bears, and scored his first touchdown in 2012 on a blocked punt.
He made the first team All-Big 10 while playing at Northwestern, and was selected in the 4th round of the 2010 NFL Draft.
He had a breakout season in 2012, playing all 16 games and collecting 7 sacks.
He married WNBA player Felicia Chester in 2011.
At the beginning of his career he played for a Bears defense led by linebacker Brian Urlacher.