What is every AFC West Division team's record against the over/under line as an underdog since the 2021 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas City 4-3-0 57.1% 42.9% +2.1
Las Vegas 12-17-0 41.4% 58.6% -0.8
LA Chargers 7-11-0 38.9% 61.1% +1.8
Denver 8-15-0 34.8% 65.2% -3.3