South Florida upsets No. 9 Louisville, 45–14

It was unranked South Florida taking down the No. 9 team in the AP poll.

All 2005 Week 4 upsets, biggest first

Upset size is the points the winner overcame on the closing line plus a bonus for beating a ranked team. How it’s scored

1. South Florida 45, No. 9 Louisville 14

   Unranked beat No. 9Recap
   Upset size8.5
2. Minnesota 42, No. 11 Purdue 35

   Unranked beat No. 11Recap
   Upset size7.5
3. Wisconsin 23, No. 14 Michigan 20

   Unranked beat No. 14Recap
   Upset size6
4. No. 10 Tennessee 30, No. 3 LSU 27

   No. 10 beat No. 3Recap
   Upset size3.5