What is every AFC West Division team's record against the over/under line coming off a win in the 2008 season?

Definitions
Team Over Record Over % Under % Total +/-
Las Vegas 3-1-0 75.0% 25.0% +5.6
LA Chargers 5-4-0 55.6% 44.4% +1.8
Denver 3-5-0 37.5% 62.5% +2.3
Kansas City 0-2-0 0.0% 100.0% -6.0