San Francisco 49ers upset Arizona Cardinals, 31–28

The 49ers closed as 7-point underdogs and won outright in overtime.

It was the 2nd-biggest of 3 NFL upsets in 2004 Week 14, and the 20th-biggest of the 2004 season. It was San Francisco 49ers's only upset win of 2004.

Other NFL upsets in 2004 Week 14

1. New Orleans Saints 27, Dallas Cowboys 13

   7-point underdogRecap
   Upset size7
2. Seattle Seahawks 27, Minnesota Vikings 23

   6.5-point underdogRecap
   Upset size6.5

More: San Francisco 49ers upsets · Arizona Cardinals upsets · all Week 14 upsets · how upset size works