What is every AFC North Division team's record against the over/under line as an underdog since the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Cleveland 44-46-1 48.9% 51.1% +1.6
Baltimore 22-23-1 48.9% 51.1% -0.8
Cincinnati 29-46-3 38.7% 61.3% -1.2
Pittsburgh 24-39-1 38.1% 61.9% -1.5