Week 13: Six games that will impact College Football Playoff rankings

No. 1 Alabama (11-0) at No. 6 Auburn (9-2): The annual Iron Bowl rivalry will also decide the SEC West winner. No. 7 Georgia (10-1) at Georgia Tech (5-5): Georgia is trying to stay in national playoff picture, Tech is trying to be bowl eligible. No. 5 Wisconsin (11-0) at Minnesota (5-6): Wisconsin faces a test with Paul Bunyan's Axe on the line. No. 3 Clemson (10-1) at South Carolina (8-3): Clemson is trying to stay in playoff picture in Palmetto Bowl. No. 2 Miami (10-0) at Pittsburgh (4-7): Miami can't

There will likely be no changes to the top of the College Football Playoff rankings when the fourth installment is announced tonight. None of the top teams faced real challenges last week.

That’s about to change.

There are several rivalry games in Week 13. None bigger than the Iron Bowl with No. 1 Alabama at No. 6 Auburn. The winner goes to the SEC Championship game against Georgia. The loser will have a tougher road to the playoffs when the final rankings and semifinal teams are announced on Dec. 3.

Here is a look at the top six games this week that could affect the rankings.