It wasn’t a typical Tennessee victory like fans have become accustomed to in the Josh Heupel era. The Vols 25-15 victory over Oklahoma in the Sooners’ SEC debut came as a result of a smothering defensive effort, not the offensive explosion w’re used to seeing. Heupel won his ‘revenge’ game over his alma mater, the program he led to a national title as a player and where he was unceremoniously fired by Bob Stoops following the 2014 season. In his first trip back to Norman on the opposing sideline Heupel unleashed a defense that hadn’t surrendered a touchdown since last November. Oklahoma did ma…