The College Football Playoff rankings didn't change at the top Tuesday with Alabama, Ohio State, Michigan and Clemson holding spots 1-4.
Plenty could change after Saturday, however, depending on the results of some Rivalry Week regular-season finales.
No. 3 Michigan (10-1) is traveling to Columbus to face the second-ranked Buckeyes (10-1). A Michigan win would send the Wolverines to the Big Ten championship game, but a victory by Ohio State could put Penn State into the Dec. 3 title game in Indianapolis. The Nittany Lions (9-2), ranked seventh in the latest poll, still have to beat Michigan State (3-8) on Saturday.