What is every AFC West Division team's record against the over/under line as a favorite? Includes the 2020 season plus historical records.

Definitions
Team Over Record Over % Under % Total +/-
Las Vegas 1-0-0 100.0% 0.0% +16.0
Kansas City 3-3-0 50.0% 50.0% +0.4
LA Chargers 1-2-0 33.3% 66.7% +0.3