Unranked for the first time since the end of the 2014 season, Oklahoma travels to No. 21 TCU Saturday in an effort to avoid falling to 1-3 to begin the season.
Although the teams have a combined three losses through four weeks of football, it's a game that could have serious Big 12 title implications. Let's take a look at five things OU fans need to know about the Horned Frogs.
Kenny Trill is back
After an impressive debut performance with Texas A&M to open the 2014 season, during which he threw for 511 yards and three touchdowns against South Carolina, QB Kenny Hill kind of fell off the radar.