Upset Saturday has officially visited the college football calendar.

Eight teams in the top 25 tumbled this weekend, including four teams in the top 10. All the drama and excitement has resulted in a serious shakeup in the latest rankings.

Michigan State was one of the many surprising winners this weekend, knocking off Penn State 21-17 in Happy Valley. Michigan didn’t record an upset victory, but it did get an impressive top 25 win, defeating Wisconsin 38-13 in Ann Arbor.

The other top 10 teams to experience losses this weekend included: Georgia (No. 2), West Virginia (No. 6) and Washington (No. 7).

Here’s the latest Associated Press Poll following a whacky week in college football:

  1. Alabama
  2. Ohio State
  3. Clemson
  4. Notre Dame
  5. LSU
  6. Michigan
  7. Texas
  8. Georgia
  9. Oklahoma
  10. UCF
  11. Florida
  12. Oregon
  13. West Virginia
  14. Kentucky
  15. Washington
  16. NC State
  17. Texas A&M
  18. Penn State
  19. Iowa
  20. Cincinnati
  21. USF
  22. Mississippi State
  23. Wisconsin
  24. Michigan State
  25. Washington State