No. 20 BYU upsets No. 3 Oklahoma, 14–13
No. 20 beat No. 3 in the AP poll.
Final14–13
Upset size8.5
Rank in 200913th of 64
It was the biggest of 2 upsets in 2009 Week 1, and the 13th-biggest of the 2009 season. It was BYU's only upset win of 2009.
Other upsets in 2009 Week 1
Miami 38, 
No. 18 Florida State 34Upset size4
More: BYU upsets · Oklahoma upsets · all Week 1 upsets · the 2009 season · how upset size works