San Francisco 49ers stun Arizona Cardinals, 37–31

The 49ers closed as 10-point underdogs and won outright in overtime. The betting market gave them a 18% chance.

All 2007 NFL Week 12 upsets, biggest first

An NFL upset is an underdog getting 3.5 or more points on the closing line winning outright. Upset size is the points it overcame. How it’s scored

1. San Francisco 49ers 37, Arizona Cardinals 31

   10-point underdog18% to winOTRecap
   Upset size10
2. Minnesota Vikings 41, New York Giants 17

   7-point underdog24% to winRecap
   Upset size7
3. Oakland Raiders 20, Kansas City Chiefs 17

   4-point underdog33% to winRecap
   Upset size4