College football · NFLTuesday, October 13, 2026
The Upset Report
NFL · 2012 · Week 1 · Sunday, September 9, 2012

San Francisco 49ers beat Green Bay Packers, 30–22

The 49ers closed as 6-point underdogs and won outright. The betting market gave them a 30% chance.

Final30–22
Upset size6
Chance to win30%
Rank in 201217th of 44

It was the 2nd-biggest of 3 NFL upsets in 2012 Week 1, and the 17th-biggest of the 2012 season. San Francisco 49ers pulled off 1 other upset in 2012.

Other NFL upsets in 2012 Week 1

  1. 9.5-point underdog23% to winRecap
    Upset size9.5
  2. 3.5-point underdog37% to winRecap
    Upset size3.5

San Francisco 49ers’ other 2012 upsets

  1. Week 154-point underdog35% to winRecap
    Upset size4

More: San Francisco 49ers upsets · Green Bay Packers upsets · all Week 1 upsets · how upset size works