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 12-5-1 70.6% 29.4% +9.4
LA Chargers 18-14-0 56.2% 43.8% +1.8
Denver 13-11-1 54.2% 45.8% +1.7
Las Vegas 17-16-1 51.5% 48.5% +0.4