What is every AFC West Division team's record against the over/under line as a road underdog in the 2008 season?

Definitions
Team Over Record Over % Under % Total +/-
Denver 3-2-1 60.0% 40.0% +4.8
LA Chargers 3-2-0 60.0% 40.0% +9.6
Las Vegas 3-4-1 42.9% 57.1% +0.9
Kansas City 2-6-0 25.0% 75.0% -4.5