Broncos open as favorites vs. Ravens, but not as overwhelming favorites

The Broncos begin the 2015 regular season at home against Baltimore, and they have opened as point spread favorites, just as they have been in 27-of-28 games in Denver since Peyton Manning arrived three years ago. However, the Broncos aren’t huge favorites by any stretch, and that’s telling. The Westgate Las Vegas SuperBook, which set…