What is every AFC West Division team's record against the over/under line as a road underdog in the 2013 season?

Definitions
Team Over Record Over % Under % Total +/-
Denver 1-0-0 100.0% 0.0% +11.0
Las Vegas 5-3-0 62.5% 37.5% +3.1
LA Chargers 3-4-0 42.9% 57.1% +1.8
Kansas City 1-2-0 33.3% 66.7% -2.3