College football rankings: Preseason Top 25 for the 2020 season With the 2019 season getting further behind, let’s look forward to the upcoming 2020 season. Expect annual contenders Clemson, Ohio State and Alabama to compete for titles — both at conference and College Football Playoff. Here are my preseason top-25 rankings for the 2020 college football season. The official AP preseason poll is expected in August. College football rankings: Preseason Top 25 for 2020-21 season NOTE: This story was updated on March 20 1. Clemson (14-1 in 2019) This was set regardless of what happened in New Orleans.