No. 23 Wisconsin edges USC, 23–21

Wisconsin closed as a 3-point underdog and won outright.

It was the 9th-biggest of 12 upsets in 2015 Bowl season, and the 132nd-biggest of the 2015 season. It was Wisconsin's only upset win of 2015.

Other upsets in 2015 Bowl season

1. No. 14 Houston 38, No. 9 Florida State 24

   6.5-point underdogNo. 14 beat No. 9Recap
   Upset size9
2. No. 11 TCU 47, No. 15 Oregon 41

   7.5-point underdogRecap
   Upset size7.5
3. Georgia Southern 58, Bowling Green 27

   7.5-point underdogRecap
   Upset size7.5
4. Tennessee 45, No. 12 Northwestern 6

   Unranked beat No. 12Recap
   Upset size7
5. Akron 23, Utah State 21

   6.5-point underdogRecap
   Upset size6.5

More: Wisconsin upsets · USC upsets · all Bowl season upsets · the 2015 season · how upset size works