San Francisco 49ers beat Detroit Lions, 25–19

The 49ers closed as 5.5-point underdogs and won outright. The betting market gave them a 32% chance.

It was the 2nd-biggest of 2 NFL upsets in 2011 Week 6, and the 27th-biggest of the 2011 season. San Francisco 49ers pulled off 2 other upsets in 2011.

Other NFL upsets in 2011 Week 6

1. Tampa Bay Buccaneers 26, New Orleans Saints 20

   6-point underdog30% to winRecap
   Upset size6

San Francisco 49ers’ other 2011 upsets

1. San Francisco 49ers 24, Philadelphia Eagles 23

   Week 49.5-point underdog19% to winRecap
   Upset size9.5
2. San Francisco 49ers 36, New Orleans Saints 32

   Divisional round3.5-point underdog39% to winRecap
   Upset size3.5

More: San Francisco 49ers upsets · Detroit Lions upsets · all Week 6 upsets · how upset size works