Denver Broncos upset Indianapolis Colts, 31–17

The Broncos closed as 6.5-point underdogs and won outright.

It was the 3rd-biggest of 3 NFL upsets in 2003 Week 16, and the 20th-biggest of the 2003 season. It was Denver Broncos's only upset win of 2003.

Other NFL upsets in 2003 Week 16

1. San Francisco 49ers 31, Philadelphia Eagles 28

   7-point underdogOTRecap
   Upset size7
2. Atlanta Falcons 30, Tampa Bay Buccaneers 28

   6.5-point underdogRecap
   Upset size6.5

More: Denver Broncos upsets · Indianapolis Colts upsets · all Week 16 upsets · how upset size works