College football · NFLTuesday, October 13, 2026
The Upset Report
NFL · 2021 · Week 13 · Sunday, December 5, 2021

Detroit Lions upset Minnesota Vikings, 29–27

The Lions closed as 7-point underdogs and won outright. The betting market gave them a 27% chance.

Final29–27
Upset size7
Chance to win27%
Rank in 202119th of 58

It was the biggest of 2 NFL upsets in 2021 Week 13, and the 19th-biggest of the 2021 season. Detroit Lions pulled off 2 other upsets in 2021.

Other NFL upsets in 2021 Week 13

  1. 4-point underdog36% to winRecap
    Upset size4

Detroit Lions’ other 2021 upsets

  1. Week 1513-point underdog16% to winRecap
    Upset size13
  2. Week 184-point underdog36% to winRecap
    Upset size4

More: Detroit Lions upsets · Minnesota Vikings upsets · all Week 13 upsets · how upset size works