The final week of the regular season brings several battles for position in the conference title and College Football Playoff races. None of those are more compelling than the Big 12, which could have as many as eight teams tie for first.

There was some significant movement in the new rankings released after the Week 13 games. While the top four teams in last week's rankings —Oregon, Ohio State, Texas, and Penn State—all took care of business, other teams projected to be in the 12-team College Football Playoff bracket suffered losses.