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

Definitions
Team Over Record Over % Under % Total +/-
LA Chargers 36-30-0 54.6% 45.5% +2.6
Las Vegas 40-43-1 48.2% 51.8% -0.3
Kansas City 22-24-2 47.8% 52.2% +0.9
Denver 24-31-0 43.6% 56.4% +0.2