What is every AFC West Division team's record against the over/under line as a road underdog since the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas City 14-8-1 63.6% 36.4% +7.0
LA Chargers 22-21-0 51.2% 48.8% +2.1
Las Vegas 23-29-1 44.2% 55.8% -0.7
Denver 19-25-0 43.2% 56.8% -0.5