What is every AFC West Division team's record against the over/under line as a road underdog since the 2014 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas City 13-10-1 56.5% 43.5% +5.4
LA Chargers 21-18-0 53.8% 46.2% +1.7
Las Vegas 21-20-1 51.2% 48.8% -0.4
Denver 13-13-1 50.0% 50.0% +1.3