San Francisco 49ers upset Detroit Lions, 19–13

The 49ers closed as 6.5-point underdogs and won outright. The betting market gave them a 28% chance.

It was the 4th-biggest of 5 NFL upsets in 2006 Week 10, and the 17th-biggest of the 2006 season. San Francisco 49ers pulled off 3 other upsets in 2006.

Other NFL upsets in 2006 Week 10

1. New York Jets 17, New England Patriots 14

   10.5-point underdog18% to winRecap
   Upset size10.5
2. Houston Texans 13, Jacksonville Jaguars 10

   10-point underdog18% to winRecap
   Upset size10
3. Cleveland Browns 17, Atlanta Falcons 13

   9-point underdog22% to winRecap
   Upset size9
4. Green Bay Packers 23, Minnesota Vikings 17

   5-point underdog34% to winRecap
   Upset size5

San Francisco 49ers’ other 2006 upsets

1. San Francisco 49ers 26, Denver Broncos 23

   Week 1710.5-point underdog18% to winOTRecap
   Upset size10.5
2. San Francisco 49ers 24, Seattle Seahawks 14

   Week 1510-point underdog18% to winRecap
   Upset size10
3. San Francisco 49ers 9, Minnesota Vikings 3

   Week 94-point underdog35% to winRecap
   Upset size4

More: San Francisco 49ers upsets · Detroit Lions upsets · all Week 10 upsets · how upset size works