Oklahoma's football program has fired Seth Littrell as the Sooners offensive coordinator.
Littrell was in his first season as OU's co-offensive coordinator with Joe Jon Finley, and Littrell had been calling the plays.
OU and head coach Brent Venables announced the firing officially on Sunday evening.
Finley will take over play-calling responsibilities on an interim basis, and offensive analyst Kevin Johns has been elevated to co-offensive coordinator and quarterbacks coach.