Week 14 gets underway with a critical NFC battle, as the Dallas Cowboys visit the Detroit Lions as underdogs on "Thursday Night Football." The Cowboys have back-to-back wins over the Philadelphia Eagles and Kansas City Chiefs, while the Lions are coming off a loss at home to the Green Bay Packers. Sunday's slate features some key divisional games, with the Chicago Bears heading to Lambeau Field to face the favored Packers with first place in the NFC North at stake.