San Diego Chargers beat Houston Texans, 27–20

The Chargers closed as 4.5-point underdogs and won outright.

All 2004 NFL Week 1 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. San Diego Chargers 27, Houston Texans 20

   4.5-point underdogRecap
   Upset size4.5
2. Cleveland Browns 20, Baltimore Ravens 3

   3.5-point underdogRecap
   Upset size3.5