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

Definitions
Team Over Record Over % Under % Total +/-
Kansas City 19-13-2 59.4% 40.6% +2.8
Las Vegas 41-30-2 57.8% 42.3% +2.6
Denver 20-26-0 43.5% 56.5% -0.2
LA Chargers 12-18-0 40.0% 60.0% -4.5