Offensive tackle who was selected by the Dallas Cowboys with the ninth overall pick in the 2011 Draft and earned First-Team All-Pro honors in 2014. He previously won the Morris Trophy as the country's top offensive lineman while at the University of Southern California.
He attended Rancho Verde High School in Moreno Valley, California, where he was ranked as the best offensive tackle prospect in the nation by Scout.
He was the first offensive lineman drafted in the first round by the Cowboys in the Jerry Jones era. He was also the franchise's highest-drafted offensive lineman since 1966.
His father passed away when he was one year old. He has five siblings.
He began blocking for Pro Bowl quarterback Tony Romo in 2011.