California stuns No. 3 USC, 34–31

It was unranked California taking down the No. 3 team in the AP poll.

It was the biggest of 4 upsets in 2003 Week 6, and the biggest of the 2003 season. It was California's only upset win of 2003.

Other upsets in 2003 Week 6

1. Michigan State 20, No. 13 Iowa 10

   Unranked beat No. 13Recap
   Upset size6.5
2. No. 21 Washington State 55, No. 10 Oregon 16

   No. 21 beat No. 10Recap
   Upset size5.5
3. Kansas 35, No. 23 Missouri 14

   Unranked beat No. 23Recap
   Upset size1.5

More: California upsets · USC upsets · all Week 6 upsets · the 2003 season · how upset size works