San Diego Chargers beat Houston Texans, 27–20

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

It was the biggest of 2 NFL upsets in 2004 Week 1, and the 37th-biggest of the 2004 season. San Diego Chargers pulled off 1 other upset in 2004.

Other NFL upsets in 2004 Week 1

1. Cleveland Browns 20, Baltimore Ravens 3

   3.5-point underdogRecap
   Upset size3.5

San Diego Chargers’ other 2004 upsets

1. San Diego Chargers 24, Kansas City Chiefs 17

   Week 176.5-point underdogRecap
   Upset size6.5

More: San Diego Chargers upsets · Houston Texans upsets · all Week 1 upsets · how upset size works