Ohio State upsets No. 7 Michigan, 37–21

It was unranked Ohio State taking down the No. 7 team in the AP poll.

It was the biggest of 3 upsets in 2004 Week 13, and the 7th-biggest of the 2004 season. It was Ohio State's only upset win of 2004.

Other upsets in 2004 Week 13

1. Florida 20, No. 10 Florida State 13

   Unranked beat No. 10Recap
   Upset size8
2. No. 17 Iowa 30, No. 9 Wisconsin 7

   No. 17 beat No. 9Recap
   Upset size4

More: Ohio State upsets · Michigan upsets · all Week 13 upsets · the 2004 season · how upset size works