Iowa edges No. 19 Wisconsin, 20–10
It was unranked Iowa taking down the No. 19 team in the AP poll.
Final20–10
Upset size3.5
Rank in 200533rd of 63
It was the 4th-biggest of 8 upsets in 2005 Week 11, and the 33rd-biggest of the 2005 season. It was Iowa's only upset win of 2005.
Other upsets in 2005 Week 11
South Carolina 30, 
No. 12 Florida 22Upset size7
Oklahoma State 24, 
No. 13 Texas Tech 17Upset size6.5
Clemson 35, 
No. 17 Florida State 14Upset size4.5
No. 15 Auburn 31, 
No. 9 Georgia 30Upset size3
Iowa State 30, 
No. 22 Colorado 16Upset size2
More: Iowa upsets · Wisconsin upsets · all Week 11 upsets · the 2005 season · how upset size works