Week 4 of the college football season is highlighted by multiple clashes with both conference and national implications. That includes three games featuring ranked opponents, two of which are between teams that landed in the top-15 of the latest AP poll.

Former Oklahoma QB and assistant Josh Heupel returns to Norman as the Volunteers’ head coach on Saturday night. UT QB Nico Iamaleava has become an early Heisman favorite with his play so far, and that high-powered offense will put the pressure on Oklahoma QB Jackson Arnold to get things going in the passing game.