College Football Season Preview: AP Top 25, Clemson Fall, Arch Manning

AP Top 25 preseason poll released: Ohio State #1 with 40 first-place votes, Indiana #6 with 8 first-place votes, SEC has 9 teams. Clemson falls from preseason top 5 to unranked after 7-6 season. Arch Manning's second season as Texas starter with new weapons. Historical trend: most national champions start in top 6. Coaches under pressure: Aranda, Beamer, Belichick, DeBoer, Fickell, Locksley. Week 0 schedule includes UNC vs TCU in Ireland.