Unranked Auburn beat No. 1 Georgia 27-24.
The Tigers traveled to a sold-out stadium in Athens, Georgia, as underdogs by more than 20 points and pulled off the upset victory.
The Bulldogs were the last remaining undefeated team in the Southeastern Conference.
A 34-yard field goal by Alex McPherson as time expired sealed the win for Auburn.
For the first time in 36 years, the No. 1 team in college football lost in consecutive weeks. Texas lost to Oklahoma a week ago.