Clemson is the preseason No. 1 in The Associated Press Top 25, a poll featuring nine Big Ten and Pac-12 teams that gives a glimpse at what already has been taken by the pandemic from an uncertain college football season.Clemson is the preseason No. 1 in The Associated Press Top 25, a poll featuring nine Big Ten and Pac-12 teams that gives a glimpse at what already has been taken by the pandemic from an uncertain college football season.