What is every AFC West Division team's record against the over/under line as an underdog in the 2004 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas City 5-1-0 83.3% 16.7% +13.5
Denver 2-1-0 66.7% 33.3% +5.2
LA Chargers 6-4-0 60.0% 40.0% +2.8
Las Vegas 6-4-0 60.0% 40.0% -1.3