<P> The College Football Playoff system was used to determine a national champion of Division I FBS college football . A 13 - member committee of experts ranked the top 25 teams in the nation after each of the last seven weeks of the 2017 season . The top four teams in the final ranking played a single - elimination semifinal round , with the winners advancing to the National Championship game . </P>
<P> The College Football Playoff system was used to determine a national champion of Division I FBS college football . A 13 - member committee of experts ranked the top 25 teams in the nation after each of the last seven weeks of the 2017 season . The top four teams in the final ranking played a single - elimination semifinal round , with the winners advancing to the National Championship game . </P>
who plays college football on new year 's day
who plays college football on new year 's day
top four teams
top four teams