What is every AFC West Division team's record against the over/under line as a road underdog in the 2007 season?

Definitions
Team Over Record Over % Under % Total +/-
Denver 4-1-0 80.0% 20.0% +5.1
Las Vegas 6-2-0 75.0% 25.0% +5.2
LA Chargers 2-1-1 66.7% 33.3% -0.6
Kansas City 3-5-0 37.5% 62.5% -5.8