Lincoln Michael Riley (born September 5, 1983) is an American college football coach and former player who is the head coach of the USC Trojans football program at the University of Southern California. He previously served as the head coach at the University of Oklahoma for five seasons from 2017 to 2021, where he won four consecutive Big 12 Championship Games. Playing quarterback himself as a walk-on player at Texas Tech and known for his "Air Raid" offensive scheme, Riley has mentored two Heisman Trophy winners at quarterback (Baker Mayfield and Kyler Murray) as well as another starting NFL quarterback in Jalen Hurts. As a fifth-year head coach, he has produced over 28 draft picks including 5 first-rounders.