A number of conference championship matchups remain undecided with one week remaining. Plus, playoff hopefuls try to avoid pitfalls against their archrivals.

Back-to-back losses have left BYU needing outside help to secure a spot in its first Big 12 championship game and play for a bid into the College Football Playoff.

Things to watch during the final weekend of the regular-season in the Big 12 Conference, with Arizona State, BYU, Colorado ...