Notre Dame upsets No. 15 Michigan State, 31–13
It was unranked Notre Dame taking down the No. 15 team in the AP poll.
Final31–13
Upset size5.5
Rank in 201120th of 54
It was the biggest of 4 upsets in 2011 Week 3, and the 20th-biggest of the 2011 season. It was Notre Dame's only upset win of 2011.
Other upsets in 2011 Week 3
Miami 24, 
No. 17 Ohio State 6Upset size4.5
Clemson 38, 
No. 21 Auburn 24Upset size2.5
Illinois 17, 
No. 22 Arizona State 14Upset size2
More: Notre Dame upsets · Michigan State upsets · all Week 3 upsets · the 2011 season · how upset size works