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

Definitions
Team Over Record Over % Under % Total +/-
LA Chargers 9-3-0 75.0% 25.0% +6.0
Kansas City 4-2-0 66.7% 33.3% +16.4
Las Vegas 8-7-1 53.3% 46.7% +1.3
Denver 6-7-1 46.2% 53.8% -0.7