He played college football for the Iowa Hawkeyes and was signed by the Tennessee Titans as an undrafted free agent in 2009.
He was a Class 4A first-team All-State selection from as a senior and a member of SuperPrep all-Region team .
King was selected to play in 2009 Senior Bowl after becoming the 60th player in Iowa football to record over 200 career tackles.
His stats were as follows: He made 58 (25 solo) tackles (14.5 for losses) and 4.5 sacks and 7 passed deflected and forced a fumble.
He chose to go to Tennessee to learn under Kyle Vanden Bosch and defensive line coach Jim Washburn even though he had many offers from other teams.
The Houston Texans signed King on July 30, 2012, and was released in final cuts in August.