What is every AFC West Division team's record against the over/under line as a road underdog since the 2009 season?

Definitions
Team Over Record Over % Under % Total +/-
LA Chargers 34-25-1 57.6% 42.4% +2.5
Denver 26-22-1 54.2% 45.8% +1.9
Las Vegas 40-40-1 50.0% 50.0% +0.9
Kansas City 26-28-2 48.1% 51.8% +1.3