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

Definitions
Team Over Record Over % Under % Total +/-
Kansas City 22-14-1 61.1% 38.9% +4.6
Las Vegas 55-51-1 51.9% 48.1% +0.2
LA Chargers 33-39-0 45.8% 54.2% -0.3
Denver 31-47-0 39.7% 60.3% -1.3