Michigan upsets No. 18 Notre Dame, 38–34
It was unranked Michigan taking down the No. 18 team in the AP poll.
Final38–34
Upset size4
Rank in 200930th of 64
It was the 2nd-biggest of 2 upsets in 2009 Week 2, and the 30th-biggest of the 2009 season. It was Michigan's only upset win of 2009.
Other upsets in 2009 Week 2
Houston 45, 
No. 5 Oklahoma State 35Upset size10.5
More: Michigan upsets · Notre Dame upsets · all Week 2 upsets · the 2009 season · how upset size works