Notre Dame dropped out of both major top 25 polls, which were released Sunday.
The Fighting Irish lost their second game of the season. They were replaced by Arizona State, which beat USC and led to the Trojans' firing of coach Lane Kiffin.
Alabama stayed at No. 1 after beating unranked Ole Miss 25-0 Saturday.
The Crimson Tide received 55 of 60 first-place votes in the Associated Press media poll. No. 2 Oregon got the remaining five votes. Alabama received 59 first-place votes in the USA Today coaches poll, with Oregon getting two votes and Clemson one.
The rest of the top five in the AP poll are the same, with Clemson at No. 3, Ohio State fourth and Stanford fifth.
The top five stayed the same in the coaches poll as well. The only difference is USA Today has Ohio State third and Clemson fourth for the third straight week.
Notre Dame dropped to 3-2 after falling to Oklahoma 35-21. The Sooners moved up three spots to No. 11 in the AP poll and two spots to No. 10 in the coaches poll.
The Irish dropped from No. 22 in both polls.
Arizona State is No. 22 in the AP poll and No. 24 in the coaches poll.