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

Definitions
Team Over Record Over % Under % Total +/-
LA Chargers 3-3-0 50.0% 50.0% +5.5
Kansas City 6-7-0 46.2% 53.9% -1.8
Denver 3-8-2 27.3% 72.7% -6.0
Las Vegas 0-3-2 0.0% 100.0% -4.6