Justin Matthew Boren (born April 28, 1988) is an American football guard and center for the Denver Broncos of the National Football League (NFL). Though a guard in the NFL, Boren played both guard and center during his high school and college football career. In high school, he was widely regarded as one of the top offensive linemen in the country and one of the top football prospects in the state of Ohio. He was selected to play in the U.S.