Michigan upsets No. 10 Penn State, 14–9
It was unranked Michigan taking down the No. 10 team in the AP poll.
Final14–9
Upset size8
Rank in 200722nd of 71
It was the biggest of 4 upsets in 2007 Week 4, and the 22nd-biggest of the 2007 season. Michigan pulled off 1 other upset in 2007.
Other upsets in 2007 Week 4
Syracuse 38, 
No. 18 Louisville 35Upset size4
Miami 34, 
No. 20 Texas A&M 17Upset size3
No. 22 Georgia 26, 
No. 16 Alabama 23Upset size3
Michigan’s other 2007 upsets
Michigan 41, 
No. 10 Florida 35Upset size8
More: Michigan upsets · Penn State upsets · all Week 4 upsets · the 2007 season · how upset size works