The game of the day that college football fans have been waiting for will kickoff when No. 8 Michigan squares off with No. 2 Alabama in primetime.
There are plenty of subplots that make this an intriguing matchup, but regardless of the outcome—this game will determine the course of the season for both teams.
Just how important is this contest between Big Ten and SEC heavyweights?
Here are five reasons why it is already a season-defining game for both the Wolverines and Crimson Tide.