Michigan remained at No. 3 in the latest College Football Playoff rankings released on Tuesday.
The Wolverines (10-0, 7-0 Big Ten) will face Illinois (7-3, 4-3 Big Ten) on Saturday at Michigan Stadium at noon.
Georgia, Ohio State, Michigan and TCU held on to the top four spots with Tennessee at No. 5 and LSU at No. 6.
With three of the top six teams and only three weeks left until Selection Sunday, the Southeastern Conference appears well positioned to put two teams in the CFP for the second straight season and third time overall.
Georgia (10-0) and LSU (8-2) have already clinched spot in the SEC title game.