Notre Dame trailed Penn State by seven at halftime and the two teams combined to score 31 points in the fourth quarter after scoring just 20 points in the first three quarters. Here are the five plays that defined Notre Dame's win over the Nittany Lions to put them in position for the school's first national title since 1988.

The first College Football Playoff semifinal will be in the warmth of Florida as the rest of the national hit by a cold spell in the first full week of the new year. Notre Dame and Penn State clash in the Orange Bowl with the winner advancing to the national title game and a chance to end its school's long championship drought.