College football · NFLTuesday, October 13, 2026
The Upset Report
NFL · 2007 · Week 15 · Saturday, December 15, 2007

San Francisco 49ers upset Cincinnati Bengals, 20–13

The 49ers closed as 9-point underdogs and won outright. The betting market gave them a 23% chance.

Final20–13
Upset size9
Chance to win23%
Rank in 20078th of 46

It was the 2nd-biggest of 5 NFL upsets in 2007 Week 15, and the 8th-biggest of the 2007 season. San Francisco 49ers pulled off 2 other upsets in 2007.

Other NFL upsets in 2007 Week 15

  1. 10-point underdog18% to winRecap
    Upset size10
  2. 7-point underdog26% to winRecap
    Upset size7
  3. 6-point underdog29% to winRecap
    Upset size6
  4. 3.5-point underdog39% to winRecap
    Upset size3.5

San Francisco 49ers’ other 2007 upsets

  1. Week 1210-point underdog18% to winOTRecap
    Upset size10
  2. Week 166.5-point underdog28% to winRecap
    Upset size6.5

More: San Francisco 49ers upsets · Cincinnati Bengals upsets · all Week 15 upsets · how upset size works