Explained: Miami is ranked No. 1, but still a touchdown underdog at No. 4 Notre Dame. And this is a rarity

No. 1 Miami (8-0) visits No. 4 Notre Dame (7-1) on Saturday night

CFP

College Football Playoff ranking system referenced for both teams

moneyline

A betting option on which team will simply win the game, regardless of score margin

point spread

The margin by which a favored team is expected to win, used for betting purposes

underdog

The team expected to lose according to the betting odds or spread

Heisman Trophy

An annual award given to the most outstanding player in college football