What is every AFC West Division team's record against the over/under line as a road underdog since the 2006 season?

Definitions
Team Over Record Over % Under % Total +/-
LA Chargers 45-36-2 55.6% 44.4% +3.5
Denver 39-41-1 48.8% 51.3% +1.0
Las Vegas 57-64-3 47.1% 52.9% +0.2
Kansas City 34-46-3 42.5% 57.5% -1.0