Arizona edges No. 20 USC, 21–17

It was unranked Arizona taking down the No. 20 team in the AP poll.

It was the 3rd-biggest of 4 upsets in 2009 Week 14, and the 44th-biggest of the 2009 season. It was Arizona's only upset win of 2009.

Other upsets in 2009 Week 14

1. East Carolina 38, No. 18 Houston 32

   Unranked beat No. 18Recap
   Upset size4
2. Washington 42, No. 19 California 10

   Unranked beat No. 19Recap
   Upset size3.5
3. No. 2 Alabama 32, No. 1 Florida 13

   No. 2 beat No. 1Recap
   Upset size0.5

More: Arizona upsets · USC upsets · all Week 14 upsets · the 2009 season · how upset size works