California edges No. 25 UCLA, 43–17
It was unranked California taking down the No. 25 team in the AP poll.
Final43–17
Upset size0.5
Rank in 201244th of 52
It was the 6th-biggest of 6 upsets in 2012 Week 6, and the 44th-biggest of the 2012 season. It was California's only upset win of 2012.
Other upsets in 2012 Week 6
NC State 17, 
No. 3 Florida State 16Upset size11.5
Iowa State 37, 
No. 15 TCU 23Upset size5.5
No. 10 Florida 14, 
No. 4 LSU 6Upset size3
Penn State 39, 
No. 24 Northwestern 28Upset size1- Upset size0.5
More: California upsets · UCLA upsets · all Week 6 upsets · the 2012 season · how upset size works