With the loss, the Sooners fall to 3-1 on the season, 0-1 in the SEC, while Tennessee remains perfect at 4-0, 1-0 in the SEC.
A dive into each of Oklahoma's 12 opponents, including their records, what they just did and what's ahead for them.
Riley has become a pariah in Oklahoma. Sooners fans have reveled in his struggles at USC and are convinced OU is better off without him. But Brent Venables, Riley's replacement, is 19-11 at Oklahoma.