Who was Baker Mayfield's football coach in 2015?
Baker Mayfield:  After sitting out the 2014 season due to NCAA transfer rules, Mayfield won the starting quarterback job in 2015 over Cody Thomas and incumbent starter Trevor Knight. 2015 Oklahoma Sooners football team: The 2015 Oklahoma Sooners football team represented the University of Oklahoma in the 2015 NCAA Division I FBS football season, the 121st season of Sooner football. 2015 Oklahoma Sooners football team:  The team was led by two-time Walter Camp Coach of the Year Award winner, Bob Stoops, in his 17th season as head coach.
i don't know