No. 1 Alabama, No. 2 Ohio State and No. 4 Michigan were all tested by Tennessee-Chattanooga, Michigan State and Indiana, respectively. No. 3 Louisville, meanwhile, was shellacked on the road at unranked Houston, losing any hope of making the College Football Playoff.

MORE: Top 25 rundown 

Other teams to go down Saturday include No. 10 West Virginia, to No. 8 Oklahoma, No. 11 Utah to Oregon and No. 16 LSU to No. 21 Florida.

Here’s how the Week 13 rankings played out:

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  1. Alabama 11-0 (61) 2. Ohio State 10-1 3. Michigan 10-1 4. Clemson 10-1 5. Wisconsin 9-2 6. Washington 10-1 7. Oklahoma 9-2 8. Penn State 9-2 9. Colorado 9-2 10. Oklahoma State 9-2 11. Louisville 9-2 12. USC 9-3  13. Florida 8-2 14. Western Michigan 11-0 15. Florida State 8-3 16. Auburn 8-3 17. Nebraska 9-2 18. Houston 9-2 19. West Virginia 8-2 20. Boise State 10-1 21. Utah 8-3 22. Texas A&M 8-3 23. Washington State 8-3 24. Tennessee 8-3 25. LSU 6-4