Heupel leads Tennessee into Oklahoma, where he quarterbacked the Sooners to a national championship as a player before being dumped as a coach.

This will be the first time that Heupel and Venables, who spent plenty of time together at Oklahoma, have faced off on opposing sidelines as head coaches

Heupel isn't the only current Tennessee coach that was forced out at Oklahoma by Stoops. Vols defensive backs coach Willie Martinez, who is in his second stint as an assistant at