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

Definitions
Team Over Record Over % Under % Total +/-
Las Vegas 4-4-0 50.0% 50.0% -3.9
LA Chargers 3-4-0 42.9% 57.1% +1.6
Kansas City 1-5-0 16.7% 83.3% -6.4
Denver 0-2-0 0.0% 100.0% -3.0