What is every AFC West Division team's record against the over/under line as a road favorite since the 2008 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas City 40-25-0 61.5% 38.5% +3.7
LA Chargers 26-24-2 52.0% 48.0% -0.6
Denver 26-26-0 50.0% 50.0% +0.5
Las Vegas 8-13-1 38.1% 61.9% -3.8