NFL betting odds for Week 1 of the 2008 regular season have the Pittsburgh Steelers favored over the Houston Texans. The Steelers are thought to be one of the top teams in the AFC, even though they have the toughest schedule in the league. NFL Odds Week 1 numbers have the Steelers as a 6.5 point football betting favorite over the Texans with a total of 43.5.