What is every AFC West Division team's record against the over/under line as an underdog in the 2005 season?

Definitions
Team Over Record Over % Under % Total +/-
Denver 2-2-0 50.0% 50.0% -4.9
Kansas City 3-4-0 42.9% 57.1% -0.8
Las Vegas 2-7-1 22.2% 77.8% -5.7
LA Chargers 1-4-0 20.0% 80.0% -7.4