What is every AFC West Division team's record against the over/under line as an underdog in the 2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas City 4-0-0 100.0% 0.0% +27.4
LA Chargers 4-1-0 80.0% 20.0% +8.0
Las Vegas 5-8-1 38.5% 61.5% -2.5
Denver 0-7-0 0.0% 100.0% -5.1