(Las Vegas, NV)  --  Odds-makers in Las Vegas are setting a huge point spread for Sunday's game between the Broncos and Jacksonville Jaguars in Denver.  The opening line favors the 5-and-0 Broncos by 28 points against the 0-and-5 Jaguars.  According to point-spread tracking publication "The Golden Sheet," that matches the highest spread in NFL history when the Baltimore Colts played the expansion Atlanta Falcons in 1966.  Denver is averaging 46 points through five games, with quarterback Peyton Manning throwing for 20 touchdowns and one interception.  Jacksonville is averaging just 10.2 points through its first five games.