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

Definitions
Team Over Record Over % Under % Total +/-
Kansas City 4-0-0 100.0% 0.0% +27.5
LA Chargers 5-2-0 71.4% 28.6% +5.7
Las Vegas 3-3-1 50.0% 50.0% -3.1
Denver 1-2-1 33.3% 66.7% +0.1