According to Dave Birkett of the Detroit Free Press the Lions added some depth up the middle with the signing of veteran offensive lineman Leroy Harris.
— Dave Birkett (@davebirkett) June 3, 2013
Harris according to Pro Football Talk started most of the past three seasons with the Tennessee Titans. He is also versatile being able to play one of the three interior offensive lineman positions.
h/t: ProFootballTalk, Detroit Free Press