AP Top 25 Takeaways: No. 1 Clemson ... but for how long?

Alabama wide receiver DeVonta Smith (6) reacts after his third-quarter touchdown reception against Mississippi during an NCAA college football game in Tuscaloosa, Ala., Saturday, Sept. 28, 2019. (Bruce Newman/The Oxford Eagle via AP)

Clemson quarterback Trevor Lawrence (16) is pressured by North Carolina's Chazz Surratt (21) during the third quarter of an NCAA college football game in Chapel Hill, N.C., Saturday, Sept. 28, 2019. (AP Photo/Chris Seward)

Ohio State running back Master Teague III (33) carries the ball into the end zone past Nebraska defensive lineman Darrion Daniels (79) during the first half of an NCAA college football game in Lincoln, Neb., Saturday, Sept. 28, 2019. (AP Photo/Nati Harnik)

Auburn quarterback Bo Nix (10) throws a pass during the second half of an NCAA college football game against Mississippi State, Saturday, Sept. 28, 2019, in Auburn, Ala. (AP Photo/Butch Dill)