Why is Notre Dame not in a conference for college football? Here's what to know as the Irish are set to compete in the CFP championship game on Monday:

But evolution is also a choice. The dinosaurs didn't have to walk into the tar pits. And college football programs -- even old-timers such as Ohio State and Notre Dame -- don't have to walk into the quicksand of mediocrity, led there by the blinders of obligation to keep on keeping on the same way that Knute Rockne and Woody Hayes did.

For the first time in 17 years, Notre Dame and Penn State are set to face off on a football field. This time, there's a lot on the line, as the 7-seed Fighting Irish will play the 6-seed Nittany Lions in the Orange Bowl,