Arizona State edges No. 23 USC, 43–22

It was unranked Arizona State taking down the No. 23 team in the AP poll.

It was the 2nd-biggest of 2 upsets in 2011 Week 4, and the 45th-biggest of the 2011 season. Arizona State pulled off 1 other upset in 2011.

Other upsets in 2011 Week 4

1. No. 21 Clemson 35, No. 11 Florida State 30

   No. 21 beat No. 11Recap
   Upset size5

Arizona State’s other 2011 upsets

1. Arizona State 37, No. 21 Missouri 30

   Week 2Unranked beat No. 21Recap
   Upset size2.5

More: Arizona State upsets · USC upsets · all Week 4 upsets · the 2011 season · how upset size works