Notre Dame upsets No. 15 Pittsburgh, 20–14
It was unranked Notre Dame taking down the No. 15 team in the AP poll.
Final20–14
Upset size5.5
Rank in 200331st of 69
It was the 5th-biggest of 8 upsets in 2003 Week 8, and the 31st-biggest of the 2003 season. It was Notre Dame's only upset win of 2003.
Other upsets in 2003 Week 8
No. 23 Wisconsin 17, 
No. 3 Ohio State 10Upset size10- Upset size10
Auburn 10, 
No. 7 Arkansas 3Upset size9.5
Missouri 41, 
No. 10 Nebraska 24Upset size8- Upset size2
More: Notre Dame upsets · Pittsburgh upsets · all Week 8 upsets · the 2003 season · how upset size works