College football · NFLTuesday, October 13, 2026
The Upset Report
NFL · 2009 · Week 8 · Sunday, November 1, 2009

Carolina Panthers stun Arizona Cardinals, 34–21

The Panthers closed as 10-point underdogs and won outright. The betting market gave them a 20% chance.

Final34–21
Upset size10
Chance to win20%
Rank in 20096th of 52

It was the biggest of 4 NFL upsets in 2009 Week 8, and the 6th-biggest of the 2009 season. Carolina Panthers pulled off 2 other upsets in 2009.

Other NFL upsets in 2009 Week 8

  1. 3.5-point underdog39% to winRecap
    Upset size3.5
  2. 3.5-point underdog36% to winRecap
    Upset size3.5
  3. 3.5-point underdog36% to winRecap
    Upset size3.5

Carolina Panthers’ other 2009 upsets

  1. Week 159-point underdog22% to winRecap
    Upset size9
  2. Week 169-point underdog23% to winRecap
    Upset size9

More: Carolina Panthers upsets · Arizona Cardinals upsets · all Week 8 upsets · how upset size works