San Francisco 49ers beat Arizona Cardinals, 24–9

The 49ers closed as 4-point underdogs and won outright. The betting market gave them a 35% chance.

It was the 2nd-biggest of 3 NFL upsets in 2009 Week 14, and the 37th-biggest of the 2009 season. San Francisco 49ers pulled off 1 other upset in 2009.

Other NFL upsets in 2009 Week 14

1. Cleveland Browns 13, Pittsburgh Steelers 6

   10-point underdog18% to winRecap
   Upset size10
2. San Diego Chargers 20, Dallas Cowboys 17

   3.5-point underdog37% to winRecap
   Upset size3.5

San Francisco 49ers’ other 2009 upsets

1. San Francisco 49ers 20, Arizona Cardinals 16

   Week 15-point underdog32% to winRecap
   Upset size5

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