College football · NFLTuesday, October 13, 2026
The Upset Report
NFL · 2021 · Week 18 · 5 upsets

Jacksonville Jaguars stun Indianapolis Colts, 26–11

The Jaguars closed as 14-point underdogs and won outright. The betting market gave them a 13% chance.

All 2021 NFL Week 18 upsets, biggest first

An NFL upset is an underdog getting 3.5 or more points on the closing line winning outright. Upset size is the points it overcame. How it’s scored

  1. 14-point underdog13% to winRecap
    Upset size14
  2. 6-point underdog32% to winRecap
    Upset size6
  3. 5.5-point underdog33% to winRecap
    Upset size5.5
  4. 4-point underdog36% to winRecap
    Upset size4
  5. 3.5-point underdog38% to winOTRecap
    Upset size3.5