Want an easy way to generate debate? Ask 10 fans who they believe is the greatest team in college football history, and you're likely to receive several different answers.
This conversation demands a hefty qualifier.
When discussing every team in the 150-year history of the sport, disagreements are both expected and understandable. There is no inarguable way to compare the many, many thousands of teams in a game that has continually evolved over time.
For this ranking, we focused on undefeated teams that won a national title, Yes, one-loss teams can be excellent, and the process of determining a champion has never been perfect.