What is every AFC West Division team's record against the over/under line as an underdog in the 2011 season?

Definitions
Team Over Record Over % Under % Total +/-
LA Chargers 5-0-0 100.0% 0.0% +11.6
Denver 8-4-0 66.7% 33.3% +6.9
Las Vegas 7-4-0 63.6% 36.4% +4.6
Kansas City 3-9-0 25.0% 75.0% -6.9