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

Definitions
Team Over Record Over % Under % Total +/-
Kansas City 11-5-0 68.8% 31.3% +8.7
LA Chargers 19-17-0 52.8% 47.2% +2.3
Las Vegas 31-32-1 49.2% 50.8% +0.3
Denver 21-36-0 36.8% 63.2% -2.0