• Auburn (9-2) hosts Alabama (11-0).
• Miami (10-0) plays at Pittsburgh.
• Wisconsin (11-0) plays at Minnesota.
• Georgia (10-1) plays at Georgia Tech.
• Notre Dame (9-2) plays at No. 21 Stanford in its final regular-season game Saturday.
Ohio State ranked sixth in the first ranking, dropped to 13th after losing to Iowa and moved to ninth after beating Michigan State.
Ohio State plays Michigan at noon Saturday in Ann Arbor, Mich., and will get one more chance to beat a ranked team when it plays Wisconsin in the Big Ten championship game a week later in Indianapolis.
The rest of the rankings included: No. 10 Penn State; No. 11 Southern California; No. 12 TCU; No. 13 Washington State; No. 14 Mississippi State; No. 15 Central Florida; No. 16 Michigan State; No. 17 Washington; No. 18 LSU; No. 19 Oklahoma State; No. 20 Memphis; No. 21 Stanford; No. 22 Northwestern; No. 23 Boise State; No. 24 South Carolina; and No. 25 Virginia Tech.